32318-M
乙酸钠 三水合物
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%
别名:
醋酸 钠盐 三水合物
等级
ACS reagent
puriss. p.a.
质量水平
Agency
USP/NF
reag. ISO
reag. Ph. Eur.
方案
≥99.5%
表单
crystalline
自燃温度
1112 °F
杂质
≤0.0005% heavy metals (as Pb)
≤0.005% KMnO4 red. matter (as HCOOH)
≤0.005% in water soluble matter
缺失
39.0-40.5% loss on drying, 130 °C
pH值（酸碱度）
7.5-9.0 (20 °C, 5%)
痕量阴离子
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
痕量阳离子
Al: ≤0.2 mg/kg
As: ≤2 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
适用性
in accordance for appearance of solution
SMILES字符串
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
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一般描述
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 its crystal 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
乙酸激酶的酶底物（酶代码 EC 2.7.2.1）
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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