71190
乙酸钠 三水合物
puriss. p.a., ACS reagent, ≥99.0% (NT)
别名:
醋酸 钠盐 三水合物
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关于此项目
线性分子式:
CH3COONa · 3H2O
化学文摘社编号:
分子量:
136.08
EC Number:
204-823-8
UNSPSC Code:
12352300
MDL number:
Beilstein/REAXYS Number:
3732037
InChI
1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
InChI key
AYRVGWHSXIMRAB-UHFFFAOYSA-M
SMILES string
O.O.O.[Na+].CC([O-])=O
grade
ACS reagent, puriss. p.a.
assay
≥99.0% (NT)
autoignition temp.
1112 °F
impurities
≤0.005% KMnO4-reducing matter (as HCOOH)
pH
7.5-9.2 (25 °C, 50 mg/mL in H2O)
anion traces
chloride (Cl-): ≤5 mg/kg, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
Al: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
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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.
Other Notes
乙酸激酶的酶底物（酶代码 EC 2.7.2.1）
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
此项目有
Growing crystals from protein.
Blattmann B and Sticher P.
Science in School. The European Journal for Science Teachers, 11, 30-36 (2009)
Methyl radical in irradiated single crystals of sodium acetate trihydrate.
Rogers MT and Kispert LD.
J. Chem. Phys. , 46(1), 221-223 (1967)
Water-responsive shape memory hybrid: Design concept and demonstration.
Fan K, et al.
Express Polymer Letters, 5(5), 409-416 (2011)
The crystal structure of sodium acetate trihydrate.
Cameron TS, et al.
Acta Crystallographica Section B, Structural Science, 32(1), 87-90 (1976)
Eagleson M.
Concise Encyclopedia Chemistry, 995-995 (1994)
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