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Merck
CN

71193

乙酸钠 三水合物

purum p.a., ≥99.0% (NT)

别名:

醋酸 钠盐 三水合物

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线性分子式:
CH3COONa · 3H2O
化学文摘社编号:
6131-90-4
分子量:
136.08
EC Number:
204-823-8
UNSPSC Code:
12352300
PubChem Substance ID:
329763098
Beilstein/REAXYS Number:
3732037
MDL number:
MFCD00071557

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InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M

InChI

1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1

SMILES string

O.O.O.[Na+].CC([O-])=O

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

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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.

Application

Sodium acetate trihydrate may be used in the preparation of silicone/sodium acetate trihydrate hybrid.

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

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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)
Claire E Mason et al.
Journal of the American Society for Mass Spectrometry, 24(2), 274-285 (2013-01-04)
Single-stranded DNA-binding proteins (SSBs) are ubiquitous oligomeric proteins that bind with very high affinity to single-stranded DNA and have a variety of essential roles in DNA metabolism. Nanoelectrospray ionization mass spectrometry (nanoESI-MS) was used to monitor subunit exchange in full-length
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