p-Tolyl isocyanate
Also known as: 4-methylphenyl isocyanate, 1-isocyanato-4-methylbenzene, 4-isocyanatotoluene, p-methylphenyl isocyanate, p-toluene isocyanate, para-tolyl isocyanate, 4-tolyl isocyanate, p-Tolylcarbonimide, OCNR D1
p-Tolyl isocyanate (CAS 622-58-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7NO and a molecular weight of 133.147 g/mol. Key properties include a boiling point of 190.6±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 63.9±24.1 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 622-58-2
- Jingsj CID
- J-14419-4
- Molecular Formula
- C8H7NO
- Molecular Weight
- 133.147 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 190.6±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 63.9±24.1 °C |
| Exact Mass | 133.052765 |
| PSA | 29.43000 |
| LogP | 3.04 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.519 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- 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 p-Tolyl isocyanate?
The CAS number of p-Tolyl isocyanate is 622-58-2.
What are the molecular formula and molecular weight of p-Tolyl isocyanate?
p-Tolyl isocyanate has molecular formula C8H7NO and molecular weight 133.147 g/mol.
Is p-Tolyl isocyanate hazardous?
p-Tolyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of p-Tolyl isocyanate?
For p-Tolyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, p-Toluidine, 2-Oxo-2-(p-tolylamino)acetic acid; Downstream Products: 4-Methyltriphenylamine, Phenyl isothiocyanate, Prop-2-yn-1-yl p-tolylcarbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "p-Tolyl isocyanate (CAS 622-58-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14419-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.