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8.00820

Sigma-Aldrich

Isopentanoic acid

for synthesis

Synonym(s):

Isopentanoic acid, 3-Methylbutyric acid

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About This Item

Linear Formula:
(CH3)2CHCH2COOH
CAS Number:
Molecular Weight:
102.13
MDL number:
UNSPSC Code:
12352106
EC Index Number:
207-975-3

vapor pressure

0.5 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

liquid

autoignition temp.

420 °C

potency

>2000 mg/kg LD50, oral (Rat)
>3000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.5-6.8 % (v/v)

pH

3.1 (25 °C, 10 g/L in H2O)

bp

176 °C/1013 hPa

mp

-31 °C

transition temp

flash point 74 °C

solubility

48 g/L

density

0.93 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)

InChI key

GWYFCOCPABKNJV-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Water (K. F.): ≤ 0.20 %
Density (d 20 °C/ 4 °C): 0.925 - 0.926
Identity (IR): passes test

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

176.0 °F - Pensky-Martens closed cup

flash_point_c

80 °C - Pensky-Martens closed cup


Certificates of Analysis (COA)

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