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乙酸钠三水合物

Name: 乙酸钠 三水合物
Brand: SIGALD

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

可持续性特点

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:

6131-90-4

分子量:

136.08

UNSPSC Code:

12352300

NACRES:

NA.21

PubChem Substance ID:

329752766

EC Number:

204-823-8

Beilstein/REAXYS Number:

3732037

MDL number:

MFCD00071557

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属性

grade

puriss.

Quality Segment

200

assay

99.0-101.0% (calc. to the dried substance)

form

powder or crystals

autoignition temp.

1112 °F

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E262

sustainability

Sustainability features

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)

loss

39.0-40.5% loss on drying, 130 °C

pH

7.5-9.0 (20 °C, 5%)

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

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

suitability

complies for appearance of solution

SMILES string

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

greener alternative category

InChI

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

InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M

说明

General description

三水乙酸钠可通过乙酸钠在水中结晶而成。在 75°C 加热时，它会熔化，在 120°C 以上加热时，它会失去结晶水并转化为无水形式。超精细质子和 ¹³C 分裂已通过记录其辐照单晶的 ESR 光谱来评估ESR 研究表明存在被捕获的甲基自由基。其晶体为单斜晶体，其结构已通过照相方法进行了研究。晶胞参数已进行评估。

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Application

乙酸钠三水合物可用于制备硅氧烷/乙酸钠三水合物混合物，这是一种水响应型的形状记忆混合物。

Other Notes

乙酸激酶的酶底物（酶代码 EC 2.7.2.1）

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存储类别

11 - Combustible Solids

闪点 (F)

Not applicable

闪点 (°C)