4-chlorophenethyl isocyanate
4-氯苯乙基异氰酸酯
Also known as: 1-chloro-4-(2-isocyanatoethyl)benzene, 2-(4-chlorophenyl)ethyl isocyanate, benzene, 1-chloro-4-(2-isocyanatoethyl)-
4-chlorophenethyl isocyanate (CAS 55121-08-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8ClNO and a molecular weight of 181.61900 g/mol. It is also known as 1-chloro-4-(2-isocyanatoethyl)benzene, 2-(4-chlorophenyl)ethyl isocyanate and benzene, 1-chloro-4-(2-isocyanatoethyl)-. Key properties include a boiling point of 267-271ºC(lit.), a density of 1.186 g/mL at 25ºC(lit.) and a flash point of 95.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55121-08-9
- Jingsj CID
- J-1494496-7
- Molecular Formula
- C9H8ClNO
- Chinese Name
- 4-氯苯乙基异氰酸酯
- Molecular Weight
- 181.61900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 267-271ºC(lit.) |
|---|---|
| Density | 1.186 g/mL at 25ºC(lit.) |
| Flash Point | 95.1ºC |
Frequently Asked Questions
What is the CAS number of 4-chlorophenethyl isocyanate?
The CAS number of 4-chlorophenethyl isocyanate is 55121-08-9.
What are the molecular formula and molecular weight of 4-chlorophenethyl isocyanate?
4-chlorophenethyl isocyanate has molecular formula C9H8ClNO and molecular weight 181.61900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-chlorophenethyl isocyanate (CAS 55121-08-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494496-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.