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Merck
CN

58360

异丁酸

puriss. p.a., ≥99.5%

别名:

2-甲基丙酸

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关于此项目

线性分子式:
(CH3)2CHCO2H
化学文摘社编号:
分子量:
88.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-195-7
Beilstein/REAXYS Number:
635770
MDL number:
Assay:
≥99.5% (GC), ≥99.5%
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InChI key

KQNPFQTWMSNSAP-UHFFFAOYSA-N

InChI

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

SMILES string

CC(C)C(O)=O

vapor density

3.04 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥99.5% (GC), ≥99.5%

autoignition temp.

824 °F

expl. lim.

10 %

impurities

≤0.2% water

Quality Level

bp

153-154 °C (lit.)

mp

−47 °C (lit.)

density

0.95 g/mL at 25 °C (lit.)

cation traces

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

functional group

carboxylic acid

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General description

异丁酸可以通过丙烯的羰基化制备。

Application

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。

signalword

Danger

Hazard Classifications

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

存储类别

3 - Flammable liquids

wgk

WGK 1

flash_point_f

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

法规信息

危险化学品
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历史批次信息供参考:

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