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52630

Sigma-Aldrich

Hexamethyldisiloxane

puriss., ≥98.5% (GC)

Synonym(s):
HMDSO
Linear Formula:
(CH3)3SiOSi(CH3)3
CAS Number:
Molecular Weight:
162.38
Beilstein:
1736258
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

>1 (vs air)

grade

puriss.

assay

≥98.5% (GC)

form

liquid

refractive index

n20/D 1.377 (lit.)
n20/D 1.377

bp

101 °C (lit.)

mp

−59 °C (lit.)

density

0.764 g/mL at 20 °C (lit.)

SMILES string

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

InChI

1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3

InChI key

UQEAIHBTYFGYIE-UHFFFAOYSA-N

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Related Categories

Other Notes

For a facile silylation of carboxylic acids; As chloride anion acceptor in the synthesis of sulphinic esters

Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

21.2 °F - closed cup

Flash Point(C)

-6 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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