71193
Sodium acetate trihydrate
purum p.a., ≥99.0% (NT)
Synonym(s):
Acetic acid sodium salt trihydrate
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About This Item
Linear Formula:
CH3COONa · 3H2O
CAS Number:
Molecular Weight:
136.08
EC Number:
204-823-8
UNSPSC Code:
12352300
PubChem Substance ID:
Beilstein/REAXYS Number:
3732037
MDL number:
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
SMILES string
O.O.O.[Na+].CC([O-])=O
InChI
1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
InChI key
AYRVGWHSXIMRAB-UHFFFAOYSA-M
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.
Application
Sodium acetate trihydrate may be used in the preparation of silicone/sodium acetate trihydrate hybrid.
Other Notes
Enzyme substrate for acetate kinase (EC 2.7.2.1)
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Storage Class
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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