Propyl isocyanate
Also known as: 1-Isocyanato propane, n-Propyl isocyanate, Isocyanic Acid Propyl Ester, N-PROPYLCARBIMIDE, m-Propyl isocyanate
Propyl isocyanate (CAS 110-78-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NO and a molecular weight of 85.10450 g/mol. Key properties include a melting point of -30 °C, a boiling point of 83-84 °C(lit.), a density of 0.908 g/mL at 25 °C(lit.) and a flash point of 0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 110-78-1
- Jingsj CID
- J-33965-1
- Molecular Formula
- C4H7NO
- Molecular Weight
- 85.10450 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -30 °C |
|---|---|
| Boiling Point | 83-84 °C(lit.) |
| Density | 0.908 g/mL at 25 °C(lit.) |
| Flash Point | 0.0 °C |
| Exact Mass | 85.05280 |
| PSA | 29.43000 |
| LogP | 0.73220 |
| Vapor Pressure | 83.9mmHg at 25°C |
| Refractive Index | n20/D 1.394(lit.) |
| Additional Property | reacts vigorously |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
- 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 Propyl isocyanate?
The CAS number of Propyl isocyanate is 110-78-1.
What are the molecular formula and molecular weight of Propyl isocyanate?
Propyl isocyanate has molecular formula C4H7NO and molecular weight 85.10450 g/mol.
Is Propyl isocyanate hazardous?
Propyl isocyanate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Propyl isocyanate (CAS 110-78-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33965-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.