Name | Hexamethylcyclotrisiloxane |
Synonyms | CH7260 Hexamethylcyclotrisiloxane hexamethyl-cyclotrisiloxan HEXAMETHYLCYCLOHEXASILOXANE hexamethylcyclortrisiloxane cyclotrisiloxane,hexamethyl- Cyclotrisiloxane, hexamethyl- Dimethylsiloxane cyclic trimer HEXAMETHYLCYCLOTRISILOXANE, tech-95 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane |
CAS | 541-05-9 |
EINECS | 208-765-4 |
InChI | InChI=1/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3 |
Molecular Formula | C6H18O3Si3 |
Molar Mass | 222.46 |
Density | 1.02 |
Melting Point | 50-64 °C (lit.) |
Boling Point | 134 °C (lit.) |
Flash Point | 95°F |
Water Solubility | may decompose |
Solubility | soluble in most organic solvents. |
Vapor Presure | 0.014-671Pa at 24.85-25℃ |
Vapor Density | 1 (vs air) |
Appearance | solid |
Specific Gravity | 1.02 |
Color | White to Almost white |
BRN | 1766829 |
Storage Condition | Inert atmosphere,Room Temperature |
Stability | Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable. |
Sensitive | 1: no significant reaction with aqueous systems |
Refractive Index | 1.417 |
Use | For the manufacture of methyl vinyl silicone rubber products, but also an important raw material for the synthesis of other polymer compounds |
Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
UN IDs | UN 1325 4.1/PG 2 |
WGK Germany | 3 |
RTECS | GZ4705000 |
TSCA | Yes |
HS Code | 29319090 |
Hazard Class | 4.1 |
Packing Group | II |
LogP | -0.38-4.4 at 20-25℃ |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Uses | It is used to make methyl vinyl silicone rubber products and is also an important raw material for synthesizing other polymer compounds In addition to synthesizing general silicone polymers, it can also be used to prepare specific silicone compounds as various surface treatment agents, coupling agents, crosslinking agents, etc. Used to make methyl vinyl silicone rubber products, it is also an important raw material for the synthesis of other polymer compounds |