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71193 Sigma-Aldrich

Sodium acetate trihydrate

purum p.a., ≥99.0% (NT)

Synonym: Acetic acid sodium salt trihydrate

  • CAS Number 6131-90-4

  • Linear Formula CH3COONa · 3H2O

  • Molecular Weight 136.08

  •  Beilstein Registry Number 3732037

  •  EC Number 204-823-8

  •  MDL number MFCD00071557

  •  PubChem Substance ID 329763098

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
InChI Key   AYRVGWHSXIMRAB-UHFFFAOYSA-M
grade   purum p.a.
assay   ≥99.0% (NT)
autoignition temp.   1112 °F
pH   7.5-9.0 (25 °C, 50 mg/mL in H2O)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤100 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

Description

Other Notes

Enzyme substrate for acetate kinase (EC 2.7.2.1)

Application

Sodium acetate trihydrate may be used in the preparation of silicone/sodium acetate trihydrate hybrid.

General description

Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. It loses water of crystallization on heating at 75°C, while on heating above 120°C, anhydrous sodium acetate is obtained. Its aqueous solutions are basic in nature. ESR spectra of its irradiated single crystals have been studied at 77°K. The hyperfine proton and 13C splittings indicated the presence of trapped methyl radicals. Its crystal structure has been examined.

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Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
AJ4580000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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