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Octamethylcyclotetrasiloxane_Molecular_structure_CAS_556-67-2)
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Octamethylcyclotetrasiloxane

Catalog No. O0761 Name Sigma Aldrich
CAS Number 556-67-2 Website http://www.sigmaaldrich.com
M. F. C8H24O4Si4 Telephone 1-800-521-8956
M. W. 296.61576 Fax
Purity Email
Storage Chembase ID: 110305

SYNONYMS

Title
八甲基环四硅氧烷
IUPAC name
octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
IUPAC Traditional name
octamethylcyclotetrasiloxane

DATABASE IDS

MDL Number MFCD00003269
CAS Number 556-67-2
Beilstein Number 1787074
EC Number 209-136-7

PROPERTIES

Apperance liquid
Boiling Point 175-176 °C(lit.)
Density 0.956 g/mL at 25 °C(lit.)
Flash Point 55 °C
Flash Point 131 °F
Melting Point 17-18 °C(lit.)
Refractive Index n20/D 1.396(lit.)
GHS Pictograms GHS02
GHS Pictograms GHS08
GHS Signal Word Warning
GHS Hazard statements H226-H361f-H413
European Hazard Symbols Harmful Harmful (Xn)
GHS Precautionary statements P281
RID/ADR UN 1993 3/PG 3
Risk Statements 53-62
RTECS GZ4397000
Safety Statements 36/37-46-51-61
Storage Temperature 2-8°C
Hazard Class 3
UN Number 1993
Packing Group 3
German water hazard class 3

DETAILS

REFERENCES