Sodium Acetate Trihydrate

Name: Sodium Acetate Trihydrate
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Categories: Food & Nutraceutical, Pharmaceuticals

CAS NO : 6131-90-4

MOLECULAR FORMULA :C2H9NaO5

MOLECULAR WEIGHT : 136.08

Product Information
CAS number	6131-90-4
Grade	Ph Eur,BP,JP,USP,FCC,E 262
Hill Formula	C₂H₃NaO₂ * 3 H₂O
Chemical formula	CH₃COONa * 3 H₂O
Molar Mass	136.08 g/mol
HS Code	2915 29 00
Structure formula Image
Quality Level	MQ600
Physicochemical Information
Density	1.45 g/cm3
Ignition temperature	607 °C
Melting Point	57.9 °C
pH value	8.5 – 10 (408 g/l, H₂O, 25 °C)
Bulk density	900 kg/m3
Solubility	613 g/l
Toxicological Information
LD 50 oral	LD50 Rat 3530 mg/kg
LD 50 dermal	LD50 Rabbit > 10000 mg/kg
Safety Information according to GHS
RTECS	AJ4580000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	14
Disposal	Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
Storage and Shipping Information
Storage	Store at +2°C to +25°C.
Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good
Specifications
Assay (perchloric acid titration, calculated on dried substance)	99.5 – 101.0 %
Identity	passes test
Appearance of solution	passes test
In water insoluble matter	≤ 0.03 %
Alkalinity	≤ 0.05 %
Acidity or alkalinity	passes test
pH-value (1 %, water)	8.0 – 9.5
pH-value (5 %; water)	7.5 – 9.0
Chloride (Cl)	≤ 0.005 %
Sulfate (SO₄)	≤ 0.003 %
Heavy metals (as Pb)	≤ 0.0006 %
Al (Aluminium)	≤ 0.00002 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.002 %
Fe (Iron)	≤ 0.0010 %
Hg (Mercury)	≤ 0.0001 %
K (Potassium)	≤ 0.005 %
Mg (Magnesium)	≤ 0.001 %
Pb (Lead)	≤ 0.0002 %
Ca + Mg (calcium and magnesium)	passes test
free acetic acid	≤ 0.4 %
Other residual solvents (ICH Q3C)	excluded by manufacturing process
formic acid, formate and other oxidizable impurities	≤ 0.1000 %
Substances reducing potassium permanganate (as HCOOH)	passes test
Loss on drying (130 °C)	39.0 – 40.5 %

Description
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Description

Sodium acetate trihydrate is commonly used in several applications. A formulation with ethanol may be used for the precipitation of nucleic acids. Often used in the preparation of gel stains for protein gel electrophoresis. Effective as a buffer with Acetic acid in the range of pH 3.6 – 5.6. Studies on microbial pili suggest that sodium acetate suppressed K99 production in E. coli strains cultured on a minimal medium. Experiments have shown that when added to food waste composting systems, sodium acetate may be effective at counteracting the adverse effects of organic acids produced in the composting process.