Merck
All Photos(1)

58360

Sigma-Aldrich

Isobutyric acid

puriss. p.a., ≥99.5%

Synonym(s):
2-Methylpropionic acid
Linear Formula:
(CH3)2CHCO2H
CAS Number:
Molecular Weight:
88.11
Beilstein:
635770
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.22

densidade de vapor

3.04 (vs air)

Nível de qualidade

200

pressão de vapor

1.5 mmHg ( 20 °C)

grau

puriss. p.a.

teor

≥99.5% (GC)
≥99.5%

temperatura de autoignição

824 °F

Lim. expl.

10 %

Impurezas

≤0.2% water

índice de refração

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

pb

153-154 °C (lit.)

pf

−47 °C (lit.)

densidade

0.95 g/mL at 25 °C (lit.)

traços de cátion

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

SMILES string

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

Looking for similar products? Visit Product Comparison Guide

Descrição geral

Isobutyric acid can be prepared via the carbonylation of propylene.[1]

Aplicação

Isobutyric acid may be used to synthesize methacrylic acid via oxidative dehydrogenation in the presence of a suitable heteropolyacid as catalyst.[1]

Palavra indicadora

Danger

Classificações de perigo

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

Código de classe de armazenamento

3 - Flammable liquids

WGK

WGK 1

Ponto de fulgor (ºF)

131.0 °F - closed cup

Ponto de fulgor (ºC)

55 °C - closed cup

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service