1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
Synonym(s):α-(Trimethylsiloxy)styrene;Acetophenone enol trimethylsilyl ether
- CAS NO.：13735-81-4
- Empirical Formula: C11H16OSi
- Molecular Weight: 192.33
- MDL number: MFCD00008582
- EINECS: 237-308-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-14 15:27:00
What is 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE?
The Uses of 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
1-Phenyl-1-trimethylsiloxyethylene has been used in the synthesis of β-amino ketones in water via Mannich-type reaction and cis-2,6-disubstituted dihydropyrans via three-component, one-pot cascade reaction. It is also used as chemical additives and intermediates.
The Uses of 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
1-Phenyl-1-trimethylsiloxyethylene has been used in the synthesis of:
- β-amino ketones in water via Mannich-type reaction
- cis-2,6-disubstituted dihydropyrans via three-component, one-pot cascade reaction
General Description
1-Phenyl-1-trimethylsiloxyethylene is a styrene type silyl enol ether, reacts with formaldehyde and 2,4-pentanedione to yield the corresponding dihydropyran. It also undergoes Mukaiyama aldol reaction with aldehydes in water in the presence of amphiphilic calix[6]arene derivatives as surfactants.
Properties of 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
| Melting point: | 122-123 °C |
| Boiling point: | 88-89 °C/11 mmHg (lit.) |
| Density | 0.938 g/mL at 25 °C (lit.) |
| vapor density | >1 (vs air) |
| refractive index | n |
| Flash point: | 174 °F |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Colorless to Light orange to Yellow |
| Specific Gravity | 0.938 |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1306914 |
| CAS DataBase Reference | 13735-81-4(CAS DataBase Reference) |
| EPA Substance Registry System | Silane, trimethyl[(1-phenylethenyl)oxy]- (13735-81-4) |
Safety information for 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
| 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 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE
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