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Merck

58360

Sigma-Aldrich

异丁酸

puriss. p.a., ≥99.5%

别名:

2-甲基丙酸

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About This Item

线性分子式:
(CH3)2CHCO2H
CAS号:
分子量:
88.11
Beilstein:
635770
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

蒸汽密度

3.04 (vs air)

质量水平

蒸汽压

1.5 mmHg ( 20 °C)

等级

puriss. p.a.

方案

≥99.5% (GC)
≥99.5%

自燃温度

824 °F

expl. lim.

10 %

杂质

≤0.2% water

折射率

n20/D 1.393 (lit.)
n20/D 1.393

沸点

153-154 °C (lit.)

mp

−47 °C (lit.)

密度

0.95 g/mL at 25 °C (lit.)

痕量阳离子

Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤2 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

官能团

carboxylic acid

SMILES字符串

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChI key

KQNPFQTWMSNSAP-UHFFFAOYSA-N

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一般描述

异丁酸可以通过丙烯的羰基化制备。

应用

异丁酸可用于在合适的杂多酸作为催化剂存在下,通过氧化脱氢合成甲基丙烯酸。

警示用语:

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

131.0 °F - closed cup

闪点(°C)

55 °C - closed cup


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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