tert-Butyldimethylchlorosilane
Also known as: TBDMSCl, TBSCl, tert-Butyldimethylsilyl chloride, tert-Butyl(chloro)dimethylsilane, Chloro(dimethyl)(2-methyl-2-propanyl)silane, Silane, chloro(1,1-dimethylethyl)dimethyl-, t-Butyldimethylchlorosilane, t-Butyldimethylsilyl chloride, t-Butylchlorodimethylsilane, TBSCL, TBDMCS, TBDMCl, BDCS
tert-Butyldimethylchlorosilane (CAS 18162-48-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H15ClSi and a molecular weight of 150.722 g/mol. Key properties include a melting point of 86-89 °C, a boiling point of 125.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 22.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18162-48-6
- Jingsj CID
- J-1993070-9
- Molecular Formula
- C6H15ClSi
- Molecular Weight
- 150.722 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 86-89 °C |
|---|---|
| Boiling Point | 125.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 22.8±0.0 °C |
| Exact Mass | 150.063156 |
| LogP | 3.40 |
| Vapor Pressure | 15.0±0.2 mmHg at 25°C |
| Refractive Index | 1.411 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H304
- H314 — Causes severe skin burns and eye damage
- H336 — May cause drowsiness or dizziness
- H373 — May cause damage to organs through prolonged exposure
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyldimethylchlorosilane?
The CAS number of tert-Butyldimethylchlorosilane is 18162-48-6.
What are the molecular formula and molecular weight of tert-Butyldimethylchlorosilane?
tert-Butyldimethylchlorosilane has molecular formula C6H15ClSi and molecular weight 150.722 g/mol.
Is tert-Butyldimethylchlorosilane hazardous?
tert-Butyldimethylchlorosilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of tert-Butyldimethylchlorosilane?
For tert-Butyldimethylchlorosilane, Upstream Products: tert-butyl chloride, Dichlorodimethylsilane, Tri-tert-butylsilane; Downstream Products: [1-(tert-butyl-dimethyl-silanyl)-5-fluoro-1H-indol-4-yl]boronic acid, 3,6-Di-O-tert-butyldimethylsilyl-D-glucal, Tri-O-(tert-butyldimethylsilyl)-D-glucal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyldimethylchlorosilane (CAS 18162-48-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993070-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.