Phenethyl isocyanate
Also known as: (2-Isocyanatoethyl)benzene, 2-Phenylethyl isocyanate, 2-Phenylethylisocyanate, 2-isocyanatoethylbenzene, Isocyanic Acid 2-Phenylethyl Ester, Isocyanic Acid Phenethyl Ester, Phenylethyl isocyanate, MFCD00037044, EINECS 413-080-0
Phenethyl isocyanate (CAS 1943-82-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.174 g/mol. Key properties include a boiling point of 228.5±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 67.4±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1943-82-4
- Jingsj CID
- J-27925-4
- Molecular Formula
- C9H9NO
- Molecular Weight
- 147.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 228.5±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 67.4±22.6 °C |
| Exact Mass | 147.068420 |
| PSA | 29.43000 |
| LogP | 3.02 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.514 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H331 — Toxic if inhaled
- H334 — May cause allergy or asthma symptoms if inhaled
- H411 — Toxic to aquatic life with long lasting effects
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 Phenethyl isocyanate?
The CAS number of Phenethyl isocyanate is 1943-82-4.
What are the molecular formula and molecular weight of Phenethyl isocyanate?
Phenethyl isocyanate has molecular formula C9H9NO and molecular weight 147.174 g/mol.
Is Phenethyl isocyanate hazardous?
Phenethyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of Phenethyl isocyanate?
For Phenethyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, N-hydroxy-3-phenylpropanamide, Ethyl phenethylcarbamate; Downstream Products: 3,4-Dihydroisoquinolin-1(2H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenethyl isocyanate (CAS 1943-82-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27925-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.