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Sodium acetate trihydrate

SIGALD/25022 - puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E262, 99.0-101.0% (calc. to the dried substance), ≤0.00002% Al

Synonym: Acetic acid sodium salt trihydrate

CAS Number: 6131-90-4
Empirical Formula (Hill Notation): C2H3NaO2 · 3H2O
Molecular Weight: 136.08
EC Number: 204-823-8
MDL Number: MFCD00071557
Linear Formula: CH3COONa · 3H2O
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-25022-1KG-R 1 kg
$63.00
1/EA
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45-25022-6X1KG-R 1 kg
$373.00
6/EA
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anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
assay 99.0-101.0% (calc. to the dried substance)
autoignition temp. 1112 °F
cation traces Al: ≤0.2 mg/kg
  As: ≤2 mg/kg
  Ca: ≤20 mg/kg
  Cu: ≤10 mg/kg
  Fe: ≤10 mg/kg
  Hg: ≤1 mg/kg
  K: ≤200 mg/kg
  Mg: ≤20 mg/kg
  Pb: ≤2 mg/kg
  Zn: ≤10 mg/kg
form powder or crystals
grade puriss.
impurities organic volatile impurities, complies (GC)
  reducing matter, complies
  residual solvents, in accordance
  ≤0.00002% Al
  ≤0.001% heavy metals (as Pb)
  ≤0.002% KMnO4 red. matter (as O)
  ≤0.1% KMnO4 red. matter (as HCOOH)
InChI 1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
InChI key AYRVGWHSXIMRAB-UHFFFAOYSA-M
loss 39.0-40.5% loss on drying, 130 °C
pH 7.5-9.0 (20 °C, 5%)
quality meets analytical specification of Ph. Eur., BP, USP, FCC, E262
Quality Level 200 
SMILES string O.O.O.[Na+].CC([O-])=O
suitability complies for appearance of solution
Application: Sodium acetate trihydrate may be used in the fabrication of silicone/sodium acetate trihydrate hybrid, a water-responsive shape memory hybrid.
General description: Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. On heating at 75°C, it melts, while on heating above 120°C it loses water of crystallization and gets converted into anhydrous form. The hyperfine proton and 13C splittings have been evaluated by recording ESR spectra of its irradiated single crystals. ESR studies suggested the existence of trapped methyl radicals. Its crystals are monoclinic and their structure has been investigated by photographic methods. Unit cell parameters were evaluated.
Other Notes: Enzyme substrate for acetate kinase (EC 2.7.2.1)
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 99.0-101.0% (calc. to the dried substance)
UNSPSC 12352300

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