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Merck

32319

Sigma-Aldrich

乙酸钠

puriss. p.a., ACS reagent, reag. Ph. Eur., anhydrous

别名:

乙酸 钠盐

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About This Item

线性分子式:
CH3COONa
CAS号:
分子量:
82.03
Beilstein:
3595639
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

化驗

≥99.0% (perchloric acid titration)

形狀

solid

自燃溫度

1112 °F

雜質

≤0.01% in water soluble matter

損耗

≤1% loss on drying, 120 °C

pH值

7.5-9.2 (20 °C, 5%)

pKa 

4.76 (acetic acid)

mp

>300 °C (dec.) (lit.)

負離子痕跡

chloride (Cl-): ≤0.002%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.003%

正離子痕跡

Al: ≤10 mg/kg
Ca: ≤0.005%
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤0.001%
K: ≤200 mg/kg
Mg: ≤0.002%
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤0.001% (by ICP-OES)

適合性

in accordance for appearance of solution

SMILES 字串

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

InChI

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

InChI 密鑰

VMHLLURERBWHNL-UHFFFAOYSA-M

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應用

乙酸钠可用作催化剂,用于合成:
  • 1,2-二氢吡啶,通过3-甲酰基色酮、 N-亲核试剂和活性亚甲基分子反应制备
  • 2(3H)-呋喃酮衍生物,通过用肉桂醛和5-芳基-2(3H)呋喃酮制备

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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