2-Chloropropene
2-氯丙烯
Also known as: 2-chloroprop-1-ene, isopropenyl chloride, 2-chloro-1-propene, 1-Propene, 2-chloro-
2-Chloropropene (CAS 557-98-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H5Cl and a molecular weight of 76.525 g/mol. It is also known as 2-chloroprop-1-ene, isopropenyl chloride and 2-chloro-1-propene. Key properties include a melting point of -138 °C, a boiling point of 22.6±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -33.9±14.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 557-98-2
- Jingsj CID
- J-32446-9
- Molecular Formula
- C3H5Cl
- Chinese Name
- 2-氯丙烯
- Molecular Weight
- 76.525 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -138 °C |
|---|---|
| Boiling Point | 22.6±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | -33.9±14.1 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Chloropropene?
The CAS number of 2-Chloropropene is 557-98-2.
What are the molecular formula and molecular weight of 2-Chloropropene?
2-Chloropropene has molecular formula C3H5Cl and molecular weight 76.525 g/mol.
Is 2-Chloropropene hazardous?
2-Chloropropene has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloropropene (CAS 557-98-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32446-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.