4-Chlorobenzyl isocyanate
4-氯苄基异氰酸酯
Also known as: 1-chloro-4-(isocyanatomethyl)benzene, p-chlorobenzyl isocyanate, Benzene, 1-chloro-4-(isocyanatomethyl)-, 1-chloro-4-isocyanatomethylbenzene, MFCD04039910
4-Chlorobenzyl isocyanate (CAS 30280-44-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6ClNO and a molecular weight of 167.59200 g/mol. It is also known as 1-chloro-4-(isocyanatomethyl)benzene, p-chlorobenzyl isocyanate and Benzene, 1-chloro-4-(isocyanatomethyl)-. Key properties include a boiling point of 233-234ºC(lit.), a density of 1.265 g/mL at 25ºC(lit.) and a flash point of >230 °F. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 30280-44-5
- Jingsj CID
- J-31267-9
- Molecular Formula
- C8H6ClNO
- Chinese Name
- 4-氯苄基异氰酸酯
- Molecular Weight
- 167.59200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 233-234ºC(lit.) |
|---|---|
| Density | 1.265 g/mL at 25ºC(lit.) |
| Flash Point | >230 °F |
| Exact Mass | 167.01400 |
| PSA | 29.43000 |
| LogP | 2.17580 |
| Refractive Index | n20/D 1.5460(lit.) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2929109000 |
|---|---|
| Summary | 2929109000. other isocyanates. 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 4-Chlorobenzyl isocyanate?
The CAS number of 4-Chlorobenzyl isocyanate is 30280-44-5.
What are the molecular formula and molecular weight of 4-Chlorobenzyl isocyanate?
4-Chlorobenzyl isocyanate has molecular formula C8H6ClNO and molecular weight 167.59200 g/mol.
Is 4-Chlorobenzyl isocyanate hazardous?
4-Chlorobenzyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of 4-Chlorobenzyl isocyanate?
For 4-Chlorobenzyl isocyanate, Upstream Products: 4-Chlorobenzylamine, 4-Chlorophenylacetic acid, Bis(trichloromethyl) carbonate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chlorobenzyl isocyanate (CAS 30280-44-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31267-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.