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Key Documents

8.01550

Sigma-Aldrich

2-Chloro-2-methylpropane

for synthesis

Synonym(s):

2-Chloro-2-methylpropane, tert-Butyl chloride

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About This Item

Empirical Formula (Hill Notation):
C4H9Cl
CAS Number:
507-20-0
Molecular Weight:
92.57
MDL number:
MFCD00000816
UNSPSC Code:
12352101
EC Index Number:
208-066-4

vapor pressure

350 hPa ( 20 °C)

Quality Level

200

Assay

≥99% (GC)

form

liquid

autoignition temp.

540 °C

potency

2425 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.8-10.1 % (v/v)

mp

-28 °C

transition temp

flash point -27 °C

density

0.84 g/cm3 at 20 °C

InChI

1S/C4H9Cl/c1-4(2,3)5/h1-3H3

InChI key

NBRKLOOSMBRFMH-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99 %
Density (d 20 °C/ 4 °C): 0.842 - 0.844
Identity (IR): passes test

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-14.8 °F - closed cup

Flash Point(C)

-26 °C - closed cup

Certificates of Analysis (COA)

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