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安全信息

27225

Sigma-Aldrich

乙酸

glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.8-100.5%

别名:

冰乙酸

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About This Item

线性分子式:
CH3CO2H
CAS号:
64-19-7
分子量:
60.05
Beilstein:
506007
EC 号:
200-580-7
MDL编号:
MFCD00036152
UNSPSC代码:
12352106
PubChem化学物质编号:
329752986
NACRES:
NA.21

Agency

meets purity specifications of USP (identity)

质量水平

200

蒸汽密度

2.07 (vs air)

等级

puriss.

方案

99.8-100.5%

表单

liquid

自燃温度

800 °F

质量

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

expl. lim.

16 %, 92 °F
4 %, 59 °F

技术

mass spectrometry (MS): suitable

杂质

K2Cr2O7 red. substances, complies
 residual solvents, complies
≤0.0002% heavy metals (as Pb)
≤0.005% non-volatile matter
≤0.01% KMnO4 red. matter (as HCOOH)

折射率

n20/D 1.371 (lit.)

pH值（酸碱度）

2.5 (20 °C, 50 g/L)

沸点

117-118 °C (lit.)

mp

16.2 °C (lit.)

转变温度

freezing point ≥15.6 °C

密度

1.04 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤2 mg/kg
sulfate (SO42-): ≤5 mg/kg

痕量阳离子

Al: ≤0.5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Pb: ≤0.5 mg/kg
Zn: ≤5 mg/kg

适用性

corresponds for appearance

SMILES字符串

[F2C(F2C)13F3C]C(O)=O

InChI

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

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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相关类别

一般描述

乙酸是一种有机羧酸。本品为吸湿性液体，有刺激性气味。其无水形式通常称为冰醋酸。在溶液和气相中通过氢键连接形成二聚体。性质为弱酸性。

应用

乙酸被广泛用作各种氧化反应的溶剂。可用于电子转移解离 (ETD) 串联质谱 (MS/MS) 分析合成肽。可通过与过氧化氢（30% 过氧化氢）反应制备过氧乙酸（消毒剂）。

其他说明

货号为27225-4X2.5L-M 的产品即将停产。请订购27225-2.5L-M单瓶装，因为其具体参数与上述产品本质相同。
货号27225-4X2.5L-R的产品即将停产。请订购27225-2.5L-R单瓶装，因为其具体参数与上述产品本质相同。
货号27225-6X1L-M的产品即将停产。请订购27225-1L-M单瓶装，因为其具体参数与上述产品本质相同。
货号27225-6X1L-R的产品即将停产。请订购27225-1L-R单瓶装，因为其具体参数与上述产品本质相同。

象形图

FlameCorrosion
GHS02,GHS05

警示用语：

Danger

危险声明

H226,H314

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 - closed cup

闪点(°C)

39 °C - closed cup

法规信息

危险化学品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SDBB2155
STBL3454
SDBB0605
STBL3049
STBL2952

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