18 - 1 - Section 1 - Chemical Product and Company Identification MSDS Name: Sodium Borate Solution, Borax 1-4%, Buffer pH 9. 0221 M boric acid and 0. 22-µm filter. 64x10-5 Sodium tetraborate decahydrate Revision Date 16-Apr-2024 11. Carolina's Perfect Solution® Sodium Borate, Decahydrate, 4%, Laboratory Grade, 500 mL Item #888580. Apply accordi LiquidBiological buffers are inert and have short-term effects on the system under investigation, both of which are distinct advantage over inorganic substances and weak organic acids that were used in the past. It works by converting water molecules to hydrogen peroxide. 14 g: 4. Simple food coloring is recommended. The chemical formula for this compound is Na 2 B 4 O 7. Buy Sodium Borate Solution 4%, Sodium Borate, CAS 1303-96-4, and a wide selection of sodium borate available in many proofs, grades, and package sizes for companies in academia/education, food, fragrance, biotech, life science, pharmaceutical, R&D and analytical laboratories, industrial, and government markets. Downstream applications, such as isolation of DNA from a gel slice or southern blot analysis, work as expected with sodium borate gels. Borax can be called several things, including disodium tetraborate, sodium borate, or sodium tetraborate. Sodium tetraborate, anhydrous Revision Date 11-Apr-2024 Product Information See actual entry in RTECS for complete information. Borate is a natural mineral salt that Jul 3, 2024 · Experts recommend an optimal concentration of liquid borate in a sugar-water solution to be 0. 25% Sodium tetraborate decahydrate, 0. Solutions of borate have numerous uses. An exemption from the requirement of a tolerance is established for residues of the pesticidal chemical boric acid and its salts, borax (sodium borate decahydrate), disodium octaborate tetrahydrate, boric oxide (boric anhydride), sodium borate and sodium metaborate, in or on raw agricultural commodities when used as an active ingredient in Jan 1, 2007 · Sodium borate aqueous solution containing 5. Store-bought ant baits typically provide the optimal bait and borax combination, eliminating the need for constant refinement and experimentation with homemade baits. Apr 1, 2007 · These stock solutions are then diluted to obtain the required run buffer concentrations. $7. Box 219, Batavia, IL 60510 (800) 452-1261 Chemtrec Emergency Phone Number: (800) 424-10293 Sep 22, 2020 · We pick up our saline solution in the grocery store! You can also find it on Amazon, Walmart, Target, and your pharmacy. O. 5). View Pricing. Use for other applications has not been investigated and would have to be determined experimentally. The potassium borate system also was briefly studied at 317°C, and is adequately described by a model with five complex species. b. Add 10 ml of the 4% cross-linker (sodium borate) to each cup. 185 g of Boric acid to the solution. 020 g 8-hydroxyquinoline sulphate, 0. Introduction. From boric acid: It is ready from boric acid by boiling with sodium carbonate. The Ricca Chemicals sodium borate buffer with a composition of 99. It has a pH of 9. 95 g: Dissolve the ingredients in H 2 O. 4% borate. The boric acid-borate This product is ideally suited for many biological applications, including biochemical, molecular biological, cell biological, histological, and immunological research and lab procedures. The name also refers to esters of such anions, such as trimethyl borate B This product is ideally suited for many biological applications, including biochemical, molecular biological, cell biological, histological, and immunological research and lab procedures. 2014 Page 1 of 7 Sodium Borate, Reagent Grade Created by Global Safety Management, 1-813-435-5161 - www. Jan 26, 2023 · Afterward, you’ll know the necessary borate solution strength, or concentration, your wood needs to reach the targeted retention. 0200 M solution? Hint: The questions asks for the volume added not the final volume you just 3 0/1 point A student takes a sample of KOH solution and dilutes it with 100. 22 (pH 6. Buffer systems are We would like to show you a description here but the site won’t allow us. A 4% PVOH solution is also available from Flinn Scientific. 15523-24-7; Et4BNa; catalyst | Find related products, papers, technical documents, MSDS & more at Sigma-Aldrich The prepared solution should be clear and somewhat viscous. The solution is then concentrated and cooled to crystallize borax. 00 mL pipette add 5. Component Information Component LD50 Oral LD50 Dermal LC50 Inhalation Borates, tetra, sodium salts, anhydrous LD50 = 2660 mg/kg ( Rat )LD50 > 2000 mg/kg ( Rabbit )LC50 > 2 mg/m3 ( Rat ) 4 h Toxicologically Synergistic Jan 23, 2020 · PenaShield is a ready-to-use formula that can be sprayed or brushed on raw wood. The pH was re-examined and was found Borate buffer System Background There are various procedures for making a borate buffer. For example, the solution prepared by dissolving 20 g of boric acid and 25 g of borax into 100 g of hot water over 80 °C did not recrystallize at 20 °C. P. They are orally toxic to kill pests. Keyword:'sodium borate solution' Showing 1-4 of 4 results for " sodium borate solution " within Products Products Building Blocks Explorer Genes Papers Technical Documents Site Content Chromatograms Question: Calculate the pH of a 0. How do you prepare a borate buffer (100 mM borate, 150 mM NaCl, pH 9)? How would I know what system to use (e. Calculate the pH of a 0. Store up to 1 yr at 4°C. Explore sodium borate’s properties, production, uses, and effects on health and environment in this comprehensive guide. Keyword:'sodium borate solution' Showing 1-4 of 4 results for " sodium borate solution " within Products Products Building Blocks Explorer Genes Papers Technical Documents Site Content Chromatograms Sodium borate is a generic name for any salt of sodium with an anion consisting of boron and oxygen, and possibly hydrogen, or any hydrate thereof. Adjust the pH to 8. It is a boron compound and is used in different ways. Each group will do two titrations at two different temperatures. 8 g of sodium tetraborate decahydrate (e. Most commonly combined with washing soda to make handmade laundry soap formulations. It was also the purpose of the present work is to study the effect of Cl −, Br −, and I − as aggressive anions on the pitting corrosion of tin in borate solution. 4. Expert application of a borate solution can help protect unfinished wood in your home. 080 g of sodium tetraborate decahydrate, 0. This product is a 5% Borax solution prepared from sodium tetraborate decahydrate. 00 mL of the saturaſed to each test tube in each water bath. Recipe can be automatically scaled by entering desired final volume. The Ka of acetic acid is 1. Efficacy of Borax to Kill Termites. They can be used as biochemical buffers in chemical laboratories, as termite treatment and as a means of clearing ground ivy. 4H3BO3 + Na2CO3 →Na2B4O7 + 6H2O waterborax measurements can be 3- 4 tables spoons per cup of water or just stir the borax in and let it dissolve til its not dissolving all the way anymore. Regulation, pesticide use An exemption from the requirement of a tolerance is established for residues of the pesticidal chemical Boric Acid and its salts, borax (Sodium Borate), Sodium tetraborate (Na 2 B 4 O 7) Sodium tetraborate decahydrate, is soluble in water at 62 mg/mL or 160 mM. 3 and produces a basic solution in water which increases the effectiveness of cleaners. The chemical formula for borax is Na2B4O7·10H2O. Additives such as Tween 20 and milk powder can be Aug 8, 2023 · Borax, also known as sodium borate or sodium tetraborate, is a naturally occurring mineral that has been used for various purposes throughout history. 0%. 8 by the us e of a boric acid – sodium borate. Sodium borate, also commonly known as borax, is an important boron compound, a mineral, and a salt of boric acid. Flinn Lab Chemicals, Your Safer Source for Science Sodium Borate is the base ingredient in Borax and has an effectiveness often compared to OxiClean. 49 mol/kg at 20 °C), was prepared by adjusting the Na/B ratio at 0. 5-1. ions. Solve any question of Equilibrium with:- Applications Sodium borate is used as anhydrous borax for proteomics research, used in the manufacturing of glazes and enamels, a component in tanning agents; curing and preserving skins, a agent used in cleaning compounds, used to artificially age wood, as a preservative, either alone or with other antiseptics against wood fungus, used in fireproofing fabrics and wood, used as antiseptic Used with the Dionex IonPac TBC-1 Borate Concentrator Column and conductivity detection, the Dionex IonPac ICE-Borate ion-exclusion column facilitates determination of borate at ng/L (ppt) concentrations. Adjust to pH 8. Jun 8, 2018 · It’s super important to make sure that the solution you’re using contains the ingredients boric acid and sodium borate. Borate is separated and detected as the mannitol complex. Question: Determine the pH and pOH of 0. The Material Safety Data Sheet considers borax a health hazard level 1, which ranks it alongside baking soda and salt. This experimental problem was examined by initially preparing a stock solution of 2 M sodium borate adjusted to pH 9. What is the pH of this mixture at 0°C? (At 0°C, Ka = 1. 19 mL. 3mL. Borax has proven to be effective in killing termites. You’ll find it in mouthwash, disinfectants, soaps, toothpaste, cosmetics, detergents, and several other items in the home. NaOH; boric acid; deionised water; Hazards: Caustic, can cause severe burns . Aldrich - 481483; Sodium tetraethylborate 97%; CAS No. You can also replace this for saline solution, but just make sure that that they contain boric acid and sodium borate. Use it to clean laundry, to remove rust, mildew, stains, and smells, or to clean your floors. Jun 17, 2022 · These borax crystals are SO COOL and beautiful! Use pipe cleaners and a simple borax and water solution to grow your own crystal gems. Materials. 1 m) Dissolve 3. Additives such as Tween 20 and milk powder can be Step-By-Step Guide to Applying Borate Wood Treatment: The Ultimate DIY Solution for Rot-Free wood! If you're a homeowner, builder, or DIY enthusiast, you understand the importance of keeping your wooden structures free from rot and decay. com Sep 9, 2020 · Adding sodium acetate to this solution, it mean we add a lots of extra acetate. The solid Co–B A borate is any of a range of boron oxyanions, anions containing boron and oxygen, such as orthoborate BO 3− 3, metaborate BO − 2, or tetraborate B 4 O 2− 7; or any salt of such anions, such as sodium metaborate, Na + [BO 2] − and borax (Na +) 2 [B 4 O 7] 2−. Sodium Borate Solutions, Borax 1-4%, Buffer pH 9. Ensure the saline solution contains borate ions, making it a slime activator. Sterilize by vacuum-filtration with a 0. The acid is weak hence the concentration of basic ion from acid is much less compared to the concentration of basic ion obtained from the salt which can ionize completely. It occurs naturally in Feb 5, 2024 · 1 tablespoon Saline Solution (this must contain the ingredients labeled sodium borate and boric acid) 1/2 cup Clear or White Washable PVA School Glue; 1/2 cup water; 1/2 teaspoon baking soda; Food Coloring and/or Glitter and Confetti; Bowl, Spoon; Measuring Cups and Measuring Spoons; Storage Container (for storing slime) Instructions: Now for Mar 31, 2011 · Sodium borate is a salt of boric acid. 74% water, 0. It takes a bit of patience to let the crystals grow, but the results are amazing! Borax crystals are a great chemistry experiment showing Synonym(s): Borax solution, Sodium borate solution. Sodium Borate Buffer (1 M, pH 8. Supplies: 1/2 cup Clear or White PVA School Glue; 1 tablespoon Saline Solution (must contain boric acid and sodium borate). 385 g of Sodium chloride to the solution. Solubor can be used as a dry fertilizer, and in foliar sprays, fertigation, and hydroponics, alone or in combination with many other nutrients. 0266 M sodium borate; pKa for B(OH)3 = 9. 6 mol/L Cl – simulated concrete pore solution (SCPS) at different temperatures and concentrations. The anhydrous sodium borate dissolves too slowly. 305 M, 200 ml) was added drop-wise to a solution of sodium borate (0. May 5, 2014 · What volume of water would be added to 16. I got this "covid" problem (parasites) and I feel very very tired. You can obtain Borax at the grocery store near the laundry detergent. Toxicological information Acute Toxicity Product Information Component Information Component LD50 Oral LD50 Dermal LC50 Inhalation Borates, tetra, sodium salts, decahydrate 5660 mg/kg ( Rat ) > 2000 mg/kg ( Rabbit ) 2. For ant bait targeting Argentine ants, they suggest 5. 0200 M solution? What is the molarity of a solution Sodium tetraborate (25 mM) 38. 208 M acetic acid and 0. 5) preparation guide and recipe. Just about any slime can be made with a borax solution, but there are some simple slimes that can be fun Sodium Borate Solution Flinn Scientific, Inc. It is intended for use in the Silver Staining Kit, HT100. 24 mol/kg of boron at 20 °C, which is more than twice the most soluble known borate solution (Na 2 O · B 2 O 3 · 8H 2 O, 2. 75 M solution of sodium borate, NaH2BO3. Introduction to Sodium Borate. Somewhere I read 1/8 teaspoon tobe put in 1 liter of water and taken 1 or 2 teaspoons in a day; and here you suggest to drink whole 1 liter of this borax-solution. Use a stir bar and low heat to ensure that the boric acid dissolves fully. PenaShield will not stain or discolor wood; and once dry, can be painted or treated with a water sealer, stained or varnished like normal wood. 24). May 23, 2022 · Borax is an effective and versatile cleaning solution. 3 Effective date : 12. Borax Solution. 5%) and the maximum possible dispersion and solubility in water and other solutions even at lower temperatures. 5% of the adhesive solid Solubilities and vapour pressures of saturated aqueous solutions of sodium tetraborate, sodium carbonate, and magnesium sulfate and freezing-temperature lowerings of sodium tetraborate and sodium carbonate solutions. Used as prefered solution in the equilibration solution in DMP (dimethyl pimelimidate) crosslinking reactions. c. 61 M, 200 ml) at room temperature under stirring which resulted in instantaneous formation of a pink suspension. 22–0. 00 mL of water. 0. Food coloring can be added to the PVA in the cups to make different colors. GSMSDS. 22-μm filter. , Acros Organics 1303-96-4) in 100 mL distilled H 2 O. 9). 3 g/L = 0. 80 x 10^-10. 18 Catalog Numbers: LC11710, LC12450, LC22960 Synonyms: None Company Identification: LabChem Inc 200 William Pitt Way Pittsburgh, PA 15238 Company Phone Number: (412) 826-5230 Sodium Borate Solution, 4%, 500 mL. Question: What color is actually observed when a drop of anthocyanin is added to an aqueous solution of sodium borate (Na2407 • 10H20, borax)? - Red - Pink - Violet-pink - Green - Gray What color is actually observed when a drop of anthocyanin is added to an aqueous solution of sodium borate (Na2407 • 10H20, borax)? May 10, 2024 · (Sodium Borate), disodium octoborate tetrahydrate, boric oxide (boric anhydride), sodium borate and sodium metaborate; exemptions from the requirement of a tolerance. It is also Mar 21, 2014 · Sodium Borate Flinn Scientific, Inc. First, use sodium tetraborate *10 H2O which is quite soluble in water. 005 g sodiopropionate, and hydrosoluble excipient 1820 g polyethylene glycol in the form of vaginal containers, has been investigated. boric acid-NaOH, sodium tetraborate-HCl, boric acid-sodium tetraborate, etc. Add ; 5. Add ; 4. It is composed of boron, sodium, oxygen, and water molecules. So it's solution will be basic and its p H will be greater than 7 . All Photos (1) Borax Anhydrous. 190 M sodium acetate. 2M) . Use a stir bar and low heat to ensure that the boric acid dissolves fully. 76×10–5 at 25°C. Prepare a saturated borax solution, 30-35 g borax in 100 mL DI water using a 250 mL Erlenmeyer flask. Jan 1, 2011 · For this aim; papel coatings obtained from Limba wood were pasted with melamine formaldehyde adhesive containing the additive of sodium borate solution in a ratio of 2. 03 mg/l (Rat) Borates, tetra, sodium salts, anhydrous Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 Aug 1, 2006 · The present work was undertaken to study the corrosion and electrochemical behavior of tin in borate solutions under the influence of borate concentrations and potential scan rate. The active ingredient in PenaShield is a borate mineral salt which sets Properties of Sodium borate – Na 2 [B 4 O 5 (OH) 4]·8H 2 O; Structure of Sodium Borate; Na 2 [B 4 O 5 (OH) 4]·8H 2 O Uses (Sodium borate) Sodium borate Reactions; Health hazards; What is Sodium borate? Na 2 [B 4 O 5 (OH) 4]·8H 2 O is an important boron compound and a salt of boric acid with the chemical name Sodium borate. One method is to prepare a working buffer by using H 3 BO 3 and NaOH, or by using sodium tetraborate and HCl. Sodium borate is a simple buffer for rapid and cost-effective DNA electrophoresis (Brody & Kern, 2004). 2 This solution was then diluted with water to obtain a final concentration of 500 mM sodium borate. Learn how to use borax to get rid of termites Jun 1, 1993 · Vapor pressure, speciation, and chemical activities in highly concentrated sodium borate solutions at 277 and 317{degrees}C Journal Article · Mon May 01 00:00:00 EDT 1995 · Journal of Solution Chemistry · OSTI ID: 10169720 3 days ago · I have a question about using Borax internally. Sodium tetraphenylborate ACS reagent, ≥99. Why is boric acid important for slime? Boric acid is made from borax and similarly liquid starch contains sodium tetraborate which is also made from borax. If you use hot water you can get a 4. 075 g lactic acid, 0. It stores well in the refrigerator until needed. Question: What is the pH of a 1 L solution to which has been added 3 mL of 3 M boric acid and 2mL of 1 M sodium borate? (pK of boric acid is 9. Perhaps the most elegant method is to use sodium tetraborate also known as borax (Na 2 B 4 O 7 ·10H 2 O) and H 3 BO 3. Sodium Borate Buffer (0. Jan 1, 2007 · The most concentrated sodium borate solutions were formed in the range 0. 0181 M boric acid and 0. Feb 5, 2012 · The procedure is based on the interaction of cobalt chloride with sodium borate in an aqueous solution as follows. 0281 M sodium borate; pKa for B(OH)3 = 9. Sodium Borate Buffer is a buffer that is used to maintain the pH within a relatively narrow range. 77 g: 0. Tim-bor has the highest boric oxide content, which means it can be used at a lower concentration. 5 with HCl (2 n ). Apr 21, 2024 · Borax is commonly used in quite a few slime recipes, since a solution made of borax powder and water helps the slime to gain its form. LB buffer containing lithium borate is similar to sodium borate and has all of its advantages, but permits use of even higher voltages due to the lower conductivity of lithium ions as compared to sodium ions. A recipe for preparing a 20-times stock solution of sodium borate at pH 8 is given and some information on using this in DNA electrophoresis. /Exptl Ther:/ The in vivo spermicidal action of a pharmacological association consisting of 0. > Tappi for specific external surface of pulp MSDS Name: Sodium Borate Solution (0. 27 (pH 6. Mix borax with sugar to bait termites and get rid of the pests. pH= pOH= Calculate the pH of a solution that is 0. Borate solutions, which are liquid products made with sodium borate, sometimes are used in pressure-treated wood. We then treat the borax and sodium metaborate of the remaining solution with CO2 to convert sodium metaborate to borax. One effective way to achieve this is by applying borate wood treatment. On cooling the solution, borax separates out. The potassium borate liquid is more alkaline at K/B= 1 than a sodium borate liquid at the same mole ratio, but pOH in the two systems is the same at lower mole ratios. Add ; distilled water until the volume is 1 L. Sodium borate solution, 4%, Na2B4O7, 10 mL or one table spoon; 250-mL Graduated Cylinder or one measuring cup; Water (distilled or deionized water is recomended, but tap water works as well) Food coloring (optional), 1–2 drops; Stirring rod (or a regular spoon) Safety Precautions Add ; 6. 165N) Catalog Numbers: NC9432558, NC9504414, NC9851006, XXNABOR10LI, XXNABOR20LI Synonyms: None. it can be stored at a temperature of 15 to 30 degree c. Note: Not all borate products have the same amount of boric oxide (B 2 O 3) content. Gravity filter the saturated borax solution to remove any residual undissolved borax. g. 1 % sodium hydroxide, is suitable for use in laboratory use only. 9–6. Also make a solution of Boric acid (H3BO3). This coloring should be added before any of the borax solution has been added, or it can be added directly to the borax solution. It is a salt created from boric acid that is sourced from the element known as Boron. It can be seen as a hydrated sodium salt of the appropriate boroxy acid, although the latter may not be a stable compound. All Photos (8) Sodium tetraborate decahydrate. A trained professional should provide the treatment to ensure the right concentration and penetration of the material. Boric acid does not always start functioning on contact. A solution of CoCl 2 ·6H 2 O (0. Dec 8, 2023 · Sodium borate (Na 2 B 4 O 7) corrosion inhibition mechanism was studied on carbon steel rebars in 0. 087mL. Borate concentration (giving buffering capacity) can vary from 10 mM to 100 mM. 5 mL of a 0. ) if it Boric acid and sodium borate forms an acidic buffer (A mixture of weak acid and salt of weak acid and strong base). 031 g of Sodium tetraborate to the solution. Synonyms: Borax solution, Sodium borate solution. Sodium borate is a weak acid - strong base solution. Solubor has the highest concentration of boron (20. The Ka of boric acid is 5. 0 at 25°C. When borate crystals are heated, they form shapes that resemble Jun 18, 2024 · Slime Ingredients: 1/4 tsp Borax Powder {found in laundry detergent aisle} 1/2 cup Clear or White Washable PVA School Glue; 1 cup of Water divided into 1/2 cups What volume of water would be added to 16. 5%; CAS Number: 143-66-8; EC Number: 205-605-5; Synonyms: Tetraphenylboron sodium; Linear Formula: (C6H5)4BNa; find Sigma-Aldrich-T25402 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Mar 3, 2024 · Borax can be used to kill termites as a termite control. 0813 M solution of sodium borate in order to get a 0. 6? a. Most biological buffers in use today are N-substituted taurine or glycine buffers, which meet most of the requirements that biological buffers have to fulfill. The resulting solution has been called mannitoboric acid. Using a 5. This is such a pretty and fun science experiment! Borax Crystals Making borax crystals is such a cool science experiment. 2. Borax, also known as sodium borate, Nov 6, 2023 · Contact lens solution is our favorite activator. 25 L of a solution that is 0. Borax for termites works by dehydrating the insects. 5 g/dL in deionized water. 27. One desires to adjust a solution to pH 8. Identification Product Name: Sodium Borate Solution Item #: SKC1073-15 Web SDS: Synonyms: N/A Recommended Use: Special Stains Restrictions on Use: N/A Manufacturer: BBC Biochemical 409 Eleanor Lane, Mount Vernon, WA 98273 1-800-635-4477 In Case of Emergency: Chemtrec US 1-800-424-9300 Chemtrec International 703-527-3887 2. It is a unique patented preservative that penetrates the wood, delivering long-lasting protection. 4 M solution. I have borax powder (INCI: Sodium Borate). [1] Determine the pH and pOH of 0. 0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric acid in order for the pH to be 9. The addition of mannitol to an initially neutral solution containing boric acid or simple borates lowers its pH enough for it to be titrated by a strong base as NaOH, including with an automated a potentiometric titrator. Sodium borate sold under the brand name Borax is a common laundry additive. Can also be used to create homemade toilet and They are formulated to give a ready to use borate buffered saline solution upon dissolution in 500 ml of deionized water. Synonym(s): Borax solution, Sodium borate solution. 30 Quick View Cosmic Slime Class Chemistry Kit Jan 28, 2018 · Boric acid (sodium borate) is a potentially-harmful substance that results when borax reacts with another acid, such as sulfuric or hydrochloric acid. May 27, 2021 · Borax is also known as Sodium Borate. Box 219, Batavia, IL 60510 (800) 452-1261 Chemtrec Emergency Phone Number: (800) 424-10294 200mM Sodium Borate Borate buffer is ideal for gel electrophoresis of DNA or RNA. Dissolve 10 grams of sodium borate in 250 ml of distilled water. Synonym(s): Sodium tetraborate. HT1002. Sodium Borate Solution 1. How many mL of a 5. 4% Sodium Borate, Na2B4O7 * 10 H2O, Solution. buffer. Browse Borax Solution and related products at MilliporeSigma. When I initially ventured out to source the ingredients for the perfect slime I made the mistake of buying the first contact lens solution I found without checking if it contained the key ingredients. (76. It can be used to dilute substances and in coating procedures. Concentration of borate and NaCl as well as the pH can vary, and the resulting solution would still be referred to as "borate buffered saline". The Journal of Chemical Thermodynamics 2003, 35 (2) , 221-238. xp vo lm bv sy yj gx ox sx pm