Substance

ID:717599

Octamethylcyclotetrasiloxane

Names and Identifiers
IUPAC Traditional name
octamethylcyclotetrasiloxane
IUPAC name
octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Synonyms
八甲基环四硅氧烷Octamethylcyclotetrasiloxane
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
Merck Index
Properties
Safety Information
GHS Hazard statements
H226-H361-H413
GHS Precautionary statements
P210-P241-P280-P303+P361+P353-P405-P501A
Hazard Class
3
Safety Statements
36/37-46-51-61
GHS Pictograms
GHS02
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
GHS08
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
RTECS
GZ4397000
Packing Group
III
TSCA Listed
Risk Statements
62-53
Storage Warning
Moisture Sensitive
UN Number
UN1993
European Hazard Symbols
Harmful Harmful (X)
Physical Property
Melting Point
17-18°C
Density
0.956
Refractive Index
1.3960
Boiling Point
175-176°C
Flash Point
56°C(132°F)
Product Information
Purity
98%
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Useful for deactivating glass GC capillary columns.