Substance
ID:364788
Names and Identifiers
IUPAC name
trimethyl[(trimethylsilyl)oxy]silane
IUPAC Traditional name
hexamethyldisiloxane
Synonyms
HexamethyldisiloxaneHMDSO六甲基二硅氧烷
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
Properties
Product Information
Grade
puriss.
Linear Formula
(CH3)3SiOSi(CH3)3
Purity
≥98.5% (GC)
Safety Information
European Hazard Symbols
Flammable (F)
Nature polluting (N)Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements
P210-P273
GHS Signal Word
Danger
UN Number
1993
Risk Statements
11-51/53
Hazard Class
3
German water hazard class
1
GHS Pictograms
Hazardous to the aquatic environment
Acute hazard, category1
Chronic hazard, categories 1,2
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
RTECS
JM9237000
Packing Group
2
MSDS Link
Safety Statements
16-61
GHS Hazard statements
H225-H411
RID/ADR
UN 1993 3/PG 2
Physical Property
Melting Point
-59 °C(lit.)
Density
0.764 g/mL at 20 °C(lit.)
Flash Point
32 °F
0 °C
Refractive Index
n20/D 1.377
n20/D 1.377(lit.)
Boiling Point
101 °C(lit.)
Vapor Density
>1 (vs air)
Molecule Details
Other Notes
For a facile silylation of carboxylic acids1,2; As chloride anion acceptor in the synthesis of sulphinic esters3
For a facile silylation of carboxylic acids1,2; As chloride anion acceptor in the synthesis of sulphinic esters3
Molecular Spectra
No Data Available
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References
No Data Available
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