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Key Documents

8.01556

Sigma-Aldrich

Isobutyraldehyde

for synthesis

Synonym(s):

Isobutyraldehyde

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About This Item

Linear Formula:
(CH3)2CHCHO
CAS Number:
78-84-2
Molecular Weight:
72.11
MDL number:
MFCD00006980
UNSPSC Code:
12352114
EC Index Number:
201-149-6

vapor pressure

189 hPa ( 20 °C)

Quality Level

200

Assay

≥98.0% (GC)

form

liquid

autoignition temp.

165 °C

potency

>3000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.6-11.0 % (v/v)

bp

63-64.5 °C/1013 mbar

mp

-65.9 °C

transition temp

flash point -20 °C

density

0.79 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3

InChI key

AMIMRNSIRUDHCM-UHFFFAOYSA-N

Specifications

Saturation Concentration in Air: 452 g/m3

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.788 - 0.790
Identity (IR): passes test

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225 - H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-11.2 °F - closed cup

Flash Point(C)

-24 °C - closed cup

Certificates of Analysis (COA)

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