2-Butyn-1-yl carbonochloridate
Also known as: 2-Butyn-1-yl chloroformate, 2-butynyl chloroformate, but-2-ynyl carbonochloridate, but-2-ynyl chloroformate, but-2-yn-1-yl carbonochloridate, Carbonochloridic acid, 2-butyn-1-yl ester, Carbonochloridic acid, 2-butynyl ester
2-Butyn-1-yl carbonochloridate (CAS 202591-85-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5ClO2 and a molecular weight of 132.545 g/mol. Key properties include a boiling point of 148.5±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 54.4±16.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 202591-85-3
- Jingsj CID
- J-1309931-5
- Molecular Formula
- C5H5ClO2
- Molecular Weight
- 132.545 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 148.5±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 54.4±16.0 °C |
| Exact Mass | 131.997803 |
| PSA | 26.30000 |
| LogP | 1.75 |
| Vapor Pressure | 4.2±0.3 mmHg at 25°C |
| Refractive Index | 1.459 |
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Butyn-1-yl carbonochloridate?
The CAS number of 2-Butyn-1-yl carbonochloridate is 202591-85-3.
What are the molecular formula and molecular weight of 2-Butyn-1-yl carbonochloridate?
2-Butyn-1-yl carbonochloridate has molecular formula C5H5ClO2 and molecular weight 132.545 g/mol.
What are the upstream and downstream products of 2-Butyn-1-yl carbonochloridate?
For 2-Butyn-1-yl carbonochloridate, Upstream Products: 2-Butyn-1-ol, Bis(trichloromethyl) carbonate.
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-Butyn-1-yl carbonochloridate (CAS 202591-85-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309931-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.