4-Pentylphenyl isocyanate
4-戊基苯异氰酸酯
Also known as: 1-isocyanato-4-pentylbenzene, Benzene, 1-isocyanato-4-pentyl-, Benzene, 1-isocyanato-4-pentyl- (9CI), MFCD04039897
4-Pentylphenyl isocyanate (CAS 121503-84-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H15NO and a molecular weight of 189.25400 g/mol. It is also known as 1-isocyanato-4-pentylbenzene, Benzene, 1-isocyanato-4-pentyl- and Benzene, 1-isocyanato-4-pentyl- (9CI). Key properties include a boiling point of 204-205ºC(lit.), a density of 0.987 g/mL at 25ºC(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 121503-84-2
- Jingsj CID
- J-49385-9
- Molecular Formula
- C12H15NO
- Chinese Name
- 4-戊基苯异氰酸酯
- Molecular Weight
- 189.25400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 204-205ºC(lit.) |
|---|---|
| Density | 0.987 g/mL at 25ºC(lit.) |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Pentylphenyl isocyanate?
The CAS number of 4-Pentylphenyl isocyanate is 121503-84-2.
What are the molecular formula and molecular weight of 4-Pentylphenyl isocyanate?
4-Pentylphenyl isocyanate has molecular formula C12H15NO and molecular weight 189.25400 g/mol.
Is 4-Pentylphenyl isocyanate hazardous?
4-Pentylphenyl isocyanate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Pentylphenyl isocyanate (CAS 121503-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49385-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.