2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol
Also known as: 3-Butyn-2-ol,2-methyl-4-(trimethylsilyl)-, 2-Methyl-4-trimethylsilyl-3-butyn-2-ol, 3-HYDROXY-3-METHYL-1-TRIMETHYLSILYL-1-BUTYNE, NSC 331768
2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol (CAS 5272-33-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H16OSi and a molecular weight of 156.29800 g/mol. Key properties include a melting point of 42-45ºC, a boiling point of 95ºC(55 torr), a density of 0.882 g/cm3 and a flash point of 66.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5272-33-3
- Jingsj CID
- J-1348113-5
- Molecular Formula
- C8H16OSi
- Molecular Weight
- 156.29800 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42-45ºC |
|---|---|
| Boiling Point | 95ºC(55 torr) |
| Density | 0.882 g/cm3 |
| Flash Point | 66.8ºC |
| Exact Mass | 156.09700 |
| PSA | 20.23000 |
| LogP | 1.63810 |
| Refractive Index | 1.446 |
| Storage Conditions | 2-8°C |
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 2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol?
The CAS number of 2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol is 5272-33-3.
What are the molecular formula and molecular weight of 2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol?
2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol has molecular formula C8H16OSi and molecular weight 156.29800 g/mol.
What are the upstream and downstream products of 2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol?
For 2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol, Upstream Products: Trimethylsilylacetylene, Chlorotrimethylsilane, 2-Methyl-3-butyn-2-ol; Downstream Products: 2-Methyl-4-trimethylsilyl-1-buten-3-yne, 3-Methyl-2-butenal, 2,2-Dimethylbut-3-ynoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methyl-4-(trimethylsilyl)but-3-yn-2-ol (CAS 5272-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1348113-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.