Tributylchlorosilane
Synonym(s):Chlorotributylsilane;Tributylchlorosilane;Tributylsilyl chloride
- CAS NO.：995-45-9
- Empirical Formula: C12H27ClSi
- Molecular Weight: 234.88
- MDL number: MFCD00000509
- EINECS: 213-627-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:16:31
What is Tributylchlorosilane?
The Uses of Tributylchlorosilane
Chlorotri-n-butylsilane is as silylating agent. It can react with bromo-trifluoro-methane, to product tributyl-trifluoromethyl-silane.
General Description
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Purification Methods
Fractionally distil it and store it in small aliquots in sealed ampoules. [Gilman et al. J Am Chem Soc 74 1361 1952, Osthoff & Clark J Org Chem 24 219 1959, Beilstein 4 IV 4072.]
Properties of Tributylchlorosilane
| Boiling point: | 250-252 °C (lit.) |
| Density | 0.879 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 220 °F |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.879 |
| Water Solubility | Reacts with water. |
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
| Sensitive | Moisture Sensitive |
| BRN | 1742537 |
| CAS DataBase Reference | 995-45-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Silane, tributylchloro-(995-45-9) |
| EPA Substance Registry System | Silane, tributylchloro- (995-45-9) |
Safety information for Tributylchlorosilane
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Tributylchlorosilane
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