8.18816

Sigma-Aldrich

3-(Chloropropyl)-trimethoxysilane

for synthesis

Synonym(s):
CPTMO, 3-(Chloropropyl)-trimethoxysilane
Linear Formula:
Cl(CH2)3Si(OCH3)3
CAS Number:
Molecular Weight:
198.72
MDL number:
EC Index Number:
219-787-9

storage conditions

Store below +30°C.

Quality Level

vapor pressure

<5 hPa ( 20 °C)

assay

≥98.0% (GC)

autoignition temp.

220 °C

potency

>2000 mg/kg LD50, oral (Rat)
3062 mg/kg LD50, skin (Rabbit)

expl. lim.

5.5-44 % (v/v)

bp

195-197 °C/1013 hPa

mp

-50 °C

transition temp

flash point 78 °C

density

1.082 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C6H15ClO3Si/c1-8-11(9-2,10-3)6-4-5-7/h4-6H2,1-3H3

InChI key

OXYZDRAJMHGSMW-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.081 - 1.085
Identity (IR): passes test

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