Hexaphenylcyclotrisiloxane
- CAS NO.：512-63-0
- Empirical Formula: C36H30O3Si3
- Molecular Weight: 594.88
- MDL number: MFCD00023110
- EINECS: 208-145-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:24
What is Hexaphenylcyclotrisiloxane?
Chemical properties
White powder
The Uses of Hexaphenylcyclotrisiloxane
2,2,4,4,6,6-hexakis-phenyl-1,3,5,2,4,6-trioxatrisilinane is a henylsilsesquioxane with high thermal stability, used as a cross-coupling reagent used in palladium-?catalyzed cross-?coupling reactions with aryl halides.
Properties of Hexaphenylcyclotrisiloxane
| Melting point: | 184-188 °C (lit.) |
| Boiling point: | 300 °C/1 mmHg (lit.) |
| Density | 1.23 |
| Flash point: | 300°C/1mm |
| Water Solubility | Insoluble in water |
| solubility | Benzene (Slightly), Chloroform (Sparingly) |
| form | solid |
| color | White to Almost white |
| Specific Gravity | 1.23 |
| Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems |
| Sensitive | Moisture Sensitive |
| BRN | 2957773 |
| CAS DataBase Reference | 512-63-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexaphenylcyclotrisiloxane(512-63-0) |
| EPA Substance Registry System | Cyclotrisiloxane, hexaphenyl- (512-63-0) |
Safety information for Hexaphenylcyclotrisiloxane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. 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. |
Computed Descriptors for Hexaphenylcyclotrisiloxane
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