Methyltris(trimethylsiloxy)silane
- CAS NO.：17928-28-8
- Empirical Formula: C10H30O3Si4
- Molecular Weight: 310.69
- MDL number: MFCD00040007
- EINECS: 241-867-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-02-10 11:39:28
What is Methyltris(trimethylsiloxy)silane ?
The Uses of Methyltris(trimethylsiloxy)silane
Methyltris(trimethylsiloxy)silane was used in the study of thermal rearrangement of branched-chain methylpolysiloxanes.
Definition
ChEBI: Methyltris(trimethylsiloxy)silane is an organosilicon compound.
General Description
Clear colorless liquid.
Air & Water Reactions
Insoluble in water.
Fire Hazard
Methyltris(trimethylsiloxy)silane is combustible.
Flammability and Explosibility
Flammable
Properties of Methyltris(trimethylsiloxy)silane
| Melting point: | -76°C |
| Boiling point: | 60 °C |
| Density | 0.849 |
| vapor pressure | 2.1hPa at 25℃ |
| refractive index | 1.3880 |
| Flash point: | 61°C |
| form | liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.849 |
| Water Solubility | <0.1 g/100 mL at 20 ºC |
| Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems |
| CAS DataBase Reference | 17928-28-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-(trimethylsiloxy)-(17928-28-8) |
| EPA Substance Registry System | Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]- (17928-28-8) |
Safety information for Methyltris(trimethylsiloxy)silane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for Methyltris(trimethylsiloxy)silane
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