3-Chloro-4-methylphenyl isocyanate
Also known as: 2-Chloro-4-isocyanato-1-methylbenzene, Isocyanic acid 3-chloro-4-methylphenyl ester, 3-Chloro-p-tolyl isocyanate, 3-Chloro-4-methylphenylisocyanate, Benzene, 2-chloro-4-isocyanato-1-methyl-, Isocyanato-3-chloro-4-methyl benzene, MFCD00013858, EINECS 249-050-7
3-Chloro-4-methylphenyl isocyanate (CAS 28479-22-3) 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 167.592 g/mol. Key properties include a melting point of 23.5ºC, a boiling point of 246.0±33.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 93.5±14.6 °C. 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.
- 28479-22-3
- Jingsj CID
- J-26791-4
- Molecular Formula
- C8H6ClNO
- Molecular Weight
- 167.592 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 23.5ºC |
|---|---|
| Boiling Point | 246.0±33.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 93.5±14.6 °C |
| Exact Mass | 167.013794 |
| PSA | 29.43000 |
| LogP | 3.76 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.544 |
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 3-Chloro-4-methylphenyl isocyanate?
The CAS number of 3-Chloro-4-methylphenyl isocyanate is 28479-22-3.
What are the molecular formula and molecular weight of 3-Chloro-4-methylphenyl isocyanate?
3-Chloro-4-methylphenyl isocyanate has molecular formula C8H6ClNO and molecular weight 167.592 g/mol.
Is 3-Chloro-4-methylphenyl isocyanate hazardous?
3-Chloro-4-methylphenyl 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 3-Chloro-4-methylphenyl isocyanate?
For 3-Chloro-4-methylphenyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, 3-Chloro-4-methylaniline, Chlorotoluron; Downstream Products: 4,4'-Dibromobiphenyl, 3,3'-Dimethylbiphenyl, binaphthyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloro-4-methylphenyl isocyanate (CAS 28479-22-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26791-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.