Sodium Acetate Trihydrate CAS 6131-90-4 Purity >99.5% (Titration) Buffer Ultrapure Factory

Short Description:

Chemical Name: Sodium Acetate Trihydrate 

CAS: 6131-90-4

Purity: >99.5% (Titration by HClO4) 

Appearance: White Crystalline Powder

Biological Buffer, Ultrapure, High Quality

Contact: Dr. Alvin Huang 

Mobile/Wechat/WhatsApp: +86-15026746401


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6131-90-4 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Sodium Acetate Trihydrate (CAS: 6131-90-4) with high quality. Ruifu can supply a series of biological buffers, can provide worldwide delivery, small and bulk quantities available, strong after-sale service. Welcome to order. Please contact:

6131-90-4 - Chemical Properties:

Chemical Name Sodium Acetate Trihydrate 
Synonyms Acetic Acid Sodium Salt Trihydrate
CAS Number 6131-90-4
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C2H3O2Na·3H2O     
Molecular Weight 136.08
Melting Point 55.0~60.0℃
Boling Point >400℃
Density 1.45 g/cm3
Solubility Soluble in Water (762 g/L 20℃) and Ether, Slightly Soluble in Ethanol  
Stability Stable. Incompatible with Strong Oxidizing Agents, Halogens.
COA & MSDS Available
Origin Shanghai, China
Product Categories Biological Buffers
Brand Ruifu Chemical

6131-90-4 - Specifications:

Item Specifications
Appearance White Crystalline Powder
Purity / Analysis Method >99.5% (Titration by HClO4, Calculated on Dried Substance)
Melting Point 55.0~60.0℃
Loss on Drying 39.0~40.5% (130℃)
Clarity of Solution  Pass
Insoluble Matter in H2O  <0.05%
pH (5% aq. Solution) 7.5~9.2
Chloride (CI) <0.005%
Sulfate(SO42-)  <0.002%
Iron (Fe) <0.0005%
Heavy Metals (as Pb) <0.001%
Arsenic (As) <0.0001%
Copper (Cu) <0.0005%
Potassium (K) <0.005%
Phosphate (PO4) <0.0002%
Aluminum (Al)  <0.0005%
Calcium (Ca)
Magnesium (Mg) <0.002%
Mercury (Hg) <0.0001%
Lead (Pb) <0.0005%
Acidity or Alkalinity Passes Test
Potassium Permanganate Reducing Substances  Pass
X-Ray Diffraction Conforms to Structure
Infrared Spectrum Conforms to Structure
Test Standard Enterprise Standard
Shelf Life 24 Months When Stored Properly


Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture. Keep away from fire and heat source. 
Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery.  




6131-90-4 - Safety Information:

Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 24/25-36-26
WGK Germany 1
RTECS AJ4580000
Autoignition Temperature 607 °C
HS Code 2915291000

6131-90-4 - Application:

Sodium Acetate Trihydrate (CAS: 6131-90-4) is used in various applications. It is used as a buffer of pH range in between to 4.0 to 6.0. It is also used in the purification and precipitation of nucleic acids and in protein crystallization. It is used as mordant dyeing, as a pickling agent in chrome tanning, as a neutralizer in waste streams containing sulfuric acid in textile industry and as a photoresist while using aniline dyes. It plays an important role to retard vulcanization of chloroprene in synthetic rubber production. It is a precursor to prepare ester from alkyl halide. In the food industry, sodium acetate is used as an acidity regulator, emulsifier, and preservative. In pharmaceutical industry, it is used for replenishing lost electrolytes, as a diuretic. In the leather industry, it is used as a buffering agent for leather tanning. Furthermore, sodium acetate trihydrate is used as buffers in the production of cosmetics and petroleum products and in electroplating industry.

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