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235679

Sigma-Aldrich

Decamethyltetrasiloxane

97%

Synonym(s):

1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane, 1,1,3,3-Tetramethyl-1,3-bis(trimethylsiloxy)disiloxane, [Dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane

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About This Item

Linear Formula:
(CH3)3SiO[Si(CH3)2O]2Si(CH3)3
CAS Number:
141-62-8
Molecular Weight:
310.69
Beilstein:
1776881
EC Number:
205-491-7
MDL number:
MFCD00008263
UNSPSC Code:
12352103
PubChem Substance ID:
24853991
NACRES:
NA.22

vapor density

>1 (vs air)

Assay

97%

form

liquid

refractive index

n20/D 1.389 (lit.)

bp

194 °C (lit.)

mp

−68 °C (lit.)

density

0.854 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C10H30O3Si4/c1-14(2,3)11-16(7,8)13-17(9,10)12-15(4,5)6/h1-10H3

InChI key

YFCGDEUVHLPRCZ-UHFFFAOYSA-N

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Pictograms

Environment
GHS09

Signal Word

Warning

Hazard Statements

H410

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

143.6 °F - closed cup

Flash Point(C)

62 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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