Butyl chloroformate
Also known as: n-Butyl chloroformate, Butyl carbonochloridate, Carbonochloridic acid, butyl ester, Chloroformic acid butyl ester, Butyl chlorocarbonate, Butyl chloridocarbonate, Butoxycarbonyl chloride
Butyl chloroformate (CAS 592-34-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO2 and a molecular weight of 136.577 g/mol. Key properties include a melting point of -70 °C, a boiling point of 141.3±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 25.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H314 — Causes severe skin burns and eye damage and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 592-34-7
- Jingsj CID
- J-11881-0
- Molecular Formula
- C5H9ClO2
- Molecular Weight
- 136.577 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -70 °C |
|---|---|
| Boiling Point | 141.3±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 25.0±0.0 °C |
| Exact Mass | 136.029114 |
| PSA | 26.30000 |
| LogP | 2.50 |
| Vapor Pressure | 5.9±0.3 mmHg at 25°C |
| Refractive Index | 1.420 |
| Additional Property | DECOMPOSES |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
- H331 — Toxic if inhaled
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 Butyl chloroformate?
The CAS number of Butyl chloroformate is 592-34-7.
What are the molecular formula and molecular weight of Butyl chloroformate?
Butyl chloroformate has molecular formula C5H9ClO2 and molecular weight 136.577 g/mol.
Is Butyl chloroformate hazardous?
Butyl chloroformate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage; H331 — Toxic if inhaled.
What are the upstream and downstream products of Butyl chloroformate?
For Butyl chloroformate, Upstream Products: Bis(trichloromethyl) carbonate, 1-Butanol, Dibutyl carbonate; Downstream Products: Dibutyl carbonate, 1-Chlorobutane, 1,2-Dibromobutane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butyl chloroformate (CAS 592-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11881-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.