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326739

Hexamethyldisiloxane

NMR grade, ≥99.5%

Synonym(s):

HMDSO

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About This Item

Linear Formula:
(CH3)3SiOSi(CH3)3
CAS Number:
107-46-0
Molecular Weight:
162.38
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
24859617
EC Number:
203-492-7
Beilstein/REAXYS Number:
1736258
MDL number:
MFCD00008265
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vapor density

>1 (vs air)

Quality Segment

assay

≥99.5%

form

liquid

technique(s)

NMR: suitable

refractive index

n20/D 1.377 (lit.)

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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Pictograms

FlameEnvironment
GHS02,GHS09

Signal Word

Danger

Hazard Codes

H225,H410

Precautionary Statements

P210 - P273

Hazard Classifications

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

Storage Class

3 - Flammable liquids

WGK

WGK 2

Flash Point (°F)

21.2 °F - closed cup

Flash Point (°C)

-6 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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