Merck
All Photos(3)

695092

Sigma-Aldrich

乙酸

glacial, ACS reagent, ≥99.7%

Synonym(s):
冰乙酸
Linear Formula:
CH3CO2H
CAS Number:
Molecular Weight:
60.05
Beilstein:
506007
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

等级

ACS reagent

蒸汽密度

2.07 (vs air)

蒸汽压

11.4 mmHg ( 20 °C)

测定

≥99.7%

形式

liquid

自燃温度

800 °F

expl. lim.

16 %, 92 °F
4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

杂质

Cr2O72- reducers, passes test
MnO4- reducers, passes test
≤0.0004 meq/g Titr. base
≤0.01% acetic anhydride

蒸发残留物

≤0.001%

颜色

APHA: ≤10

折射率

n20/D 1.371 (lit.)

pH值(酸碱度)

2.5 (20 °C, 50 g/L)

bp

117-118 °C (lit.)

mp

16.2 °C (lit.)

密度

1.049 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤1 ppm
sulfate (SO42-): ≤1 ppm

痕量阳离子

Fe: ≤0.2 ppm
heavy metals: ≤0.5 ppm (by ICP)

SMILES string

CC(O)=O

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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Related Categories

一般描述

乙酸是一种有机羧酸。这是一种有刺激性气味的易吸潮的液体。冰醋酸是无水乙酸。它通过溶液中的氢键和通常称为相的气体形成二聚体。它呈弱酸性。

应用

乙酸被广泛地用作各种氧化反应的溶剂。它可用于电子转移(ETD)离解串联质谱(MS/MS)分析合成多肽。它可与过氧化氢(30%过氧化氢)反应制备过氧乙酸(消毒剂)。

包装

100, 4×100 mL in poly bottle
6×500 mL in poly bottle
6×2.5 L in glass bottle
500 mL in glass bottle
2 L in glass bottle
500 mL in poly bottle
2.5 L in poly bottle
6×2.5, 4, 4×4 L in poly bottle
6×500 mL in glass bottle

其他说明

4L和4X4L为塑料瓶包装

象形图

FlameCorrosion

警示用语:

Danger

危险声明

危险分类

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(F)

102.2 °F

闪点(C)

39 °C

Certificate of Analysis

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Certificate of Origin

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