cyclotrisiloxane
hexamethylcyclotrisiloxane
Identification
| Name | cyclotrisiloxane |
| CAS Number | 541-05-9 |
| EINECS | 208-765-4 |
| FDA UNII | EPV75L8O0R |
| Molecular Formula | C6 H18 O3 Si3 |
| Molecular Weight | 222.46296000 |
| MDL Number | MFCD00005943 |
| Nikkaji Number | J95.632E |
Regulatory
Physical Properties
| Appearance | white crystalline powder (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 64.00 to 65.00 °C. @ 760.00 mm Hg |
| Boiling Point | 134.00 °C. @ 760.00 mm Hg, 130.00 to 131.00 °C. @ 760.00 mm Hg (est) |
| Vapor Pressure | 11.609000 mmHg @ 25.00 °C. (est) |
| Flash Point | 95.00 °F. TCC ( 26.44 °C. ) |
| Soluble in | water, 1.571 mg/L @ 25 °C (est) |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | hair conditioning |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | cosmetic agents |
| Recommendation for cyclotrisiloxane usage levels up to | not for fragrance use. |
| Recommendation for cyclotrisiloxane flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
cyclotrisiloxane, 2,2,4,4,6,6-hexamethyl-
cyclotrisiloxane, hexamethyl-
hexamethyl cyclotrisil oxane
2,2,4,4,6,6-
hexamethyl-1,3,5,2,4,6-trioxatrisilinan
hexamethyl-1,3,5,2,4,6-trioxatrisilinane
2,2,4,4,6,6-
hexamethyl-1,3,5,2,4,6-trioxatrisilinane
hexamethylcyclotrisiloxane
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