5-dimethylamino-2-methyl-3-pentyn-2-ol
5-二甲基胺-2-甲基-3-戊炔-2-醇
Also known as: 5-(dimethylamino)-2-methylpent-3-yn-2-ol, 3-Pentyn-2-ol, 5-(dimethylamino)-2-methyl-, MFCD00041575, TIMTEC-BB SBB008767
5-dimethylamino-2-methyl-3-pentyn-2-ol (CAS 25400-83-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H15NO and a molecular weight of 141.21100 g/mol. It is also known as 5-(dimethylamino)-2-methylpent-3-yn-2-ol, 3-Pentyn-2-ol, 5-(dimethylamino)-2-methyl- and MFCD00041575. Key properties include a boiling point of 92°C 1mm, a density of 0.949 g/cm3 and a flash point of 91-92°C/1mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25400-83-3
- Jingsj CID
- J-4022-8
- Molecular Formula
- C8H15NO
- Chinese Name
- 5-二甲基胺-2-甲基-3-戊炔-2-醇
- Molecular Weight
- 141.21100 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 92°C 1mm |
|---|---|
| Density | 0.949 g/cm3 |
| Flash Point | 91-92°C/1mm |
| Exact Mass | 141.11500 |
| PSA | 23.47000 |
| LogP | 0.32230 |
| Vapor Pressure | 0.0481mmHg at 25°C |
| Refractive Index | 1.4561 |
Customs & Trade Information
| HS Code | 2922199090 |
|---|---|
| Summary | 2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-dimethylamino-2-methyl-3-pentyn-2-ol?
The CAS number of 5-dimethylamino-2-methyl-3-pentyn-2-ol is 25400-83-3.
What are the molecular formula and molecular weight of 5-dimethylamino-2-methyl-3-pentyn-2-ol?
5-dimethylamino-2-methyl-3-pentyn-2-ol has molecular formula C8H15NO and molecular weight 141.21100 g/mol.
What are the upstream and downstream products of 5-dimethylamino-2-methyl-3-pentyn-2-ol?
For 5-dimethylamino-2-methyl-3-pentyn-2-ol, Upstream Products: 3-Dimethylamino-1-propyne.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-dimethylamino-2-methyl-3-pentyn-2-ol (CAS 25400-83-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4022-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.