Sodium Acetate, Trihydrate, ACS Reagent Grade *


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About Sodium Acetate Trihydrate ACS Reagent Grade

Sodium acetate trihydrate, often simply referred to as sodium acetate, is a chemical compound with the molecular formula CH3COONa·3H2O. It is a salt of acetic acid (CH3COOH) and sodium hydroxide (NaOH) and is commonly encountered as a white, crystalline substance. When it contains ACS Reagent Grade designation, it signifies a high level of purity and quality suitable for use in laboratory and analytical applications.

Common Uses and Applications

  • Buffer Solution: Sodium acetate solutions can act as effective buffers, maintaining a stable pH level in various chemical and biological processes.

  • Chemical Reactions: It is used as a reagent in various chemical reactions, including the acetylation of organic compounds.

  • Analytical Chemistry: Sodium acetate trihydrate is used in analytical chemistry as a reagent for specific tests, such as the Benedict's test for reducing sugars.

  • pH Adjustment: It can be used to adjust the pH of solutions and to standardize pH meters.

  • DNA Precipitation: Sodium acetate is often used in molecular biology and biochemistry for DNA precipitation and purification.

  • Heat Packs: Sodium acetate trihydrate is also known for its exothermic properties. When the supersaturated solution is cooled, it can crystallize and release heat, making it useful in reusable heat packs.

  • Dyeing and Textile Industry: In the dyeing and textile industry, sodium acetate is used as a mordant to help fix dyes to fabrics.

  • Electroplating: It is used as an electrolyte in some electroplating processes.

  • Food and Beverage Industry: Sodium acetate is recognized as a food additive and can be used as a preservative, acidity regulator, and flavor enhancer.

  • Pharmaceuticals: It may be used in the pharmaceutical industry for certain formulations and chemical processes.

  • Laboratory Research: Sodium acetate trihydrate ACS grade is widely used in various research applications due to its high purity and consistent properties. Researchers may utilize it for a range of experiments, tests, and procedures.

  • Preservative for Biological Samples: It can be used to preserve biological samples in laboratory and clinical settings.


Chemistry Table


Sodium Acetate Trihydrate ACS Reagent Grade Specifications

Assay 99.0-101.0%
pH of a 5% Solution @ 25°C 7.5-9.2
Substances Reducing Permanganate To Pass Test
Insoluble Matter 0.005%
Chloride 0.001%
Phosphate 5 ppm
Sulfate 0.002%
Calcium, Magnesium, and R2O3 Ppt 0.01%
Heavy Metals (as Pb) 5 ppm
Iron 5 ppm
Potassium 0.005%

Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Sodium Acetate Trihydrate Granular ACS.

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