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8.44009

Sigma-Aldrich

Octamethyltrisiloxane

for synthesis

Synonym(s):

Octamethyltrisiloxane

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About This Item

Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
107-51-7
Molecular Weight:
236.53
Beilstein:
1753063
MDL number:
MFCD00008264
UNSPSC Code:
12352103
EC Index Number:
203-497-4
NACRES:
NA.22

vapor density

>1 (vs air)

Quality Level

200

form

liquid

refractive index

n20/D 1.384 (lit.)

bp

153 °C (lit.)

mp

−82 °C (lit.)

transition temp

flash point 29 °C

density

0.82 g/cm3 at 25 °C
0.82 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C

InChI

1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3

InChI key

CXQXSVUQTKDNFP-UHFFFAOYSA-N

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General description

for synthesis

Application

Octamethyltrisiloxane for synthesis. CAS 107-51-7, molar mass 236.53 g/mol.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

84.2 °F - (External MSDS)

Flash Point(C)

29 °C - (External MSDS)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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