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Sodium acetate trihydrate

乙酸钠 三水合物

产品介绍:

产品说明

一般描述

Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. On heating at 75℃, it melts, while on heating above 120℃ 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.

应用

Sodium acetate trihydrate may be used in the fabrication of silicone/sodium acetate trihydrate hybrid, a water-responsive shape memory hybrid.

其他说明

乙酸激酶的底物 (EC 2.7.2.1)

基本信息

线性分子式CH3COONa · 3H2O
分子量136.08
Beilstein3732037
EC 号204-823-8
MDL编号MFCD00071557
PubChem化学物质编号329752766
NACRESNA.21

产品性质

质量水平200
等级puriss.
测定99.0-101.0% (calc. to the dried substance)
形式powder or crystals
自燃温度1112 °F
质量meets analytical specification of Ph. Eur., BP, USP, FCC, E262
杂质 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)
缺失39.0-40.5% loss on drying, 130 ℃
pH值(酸碱度)7.5-9.0 (20 ℃, 5%)
痕量阴离子chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子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
适用性complies for appearance of solution
SMILES stringO.O.O.[Na+].CC([O-])=O
InChI1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
InChI keyAYRVGWHSXIMRAB-UHFFFAOYSA-M

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable

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