3-ethylphenyl isocyanate
3-乙基苯基异氰酸酯
Also known as: 1-ethyl-3-isocyanatobenzene, 1-ethyl-3-isocyanato-benzene, 1-ethyl-3-isocyanate-benzene, 3-ethyl-1-isocyanatobenzene, 3-EtC6H4NCO, 3-ethylbenzenisocyanate, Isocyanic acid 3-ethylphenyl ester
3-ethylphenyl isocyanate (CAS 23138-58-1) 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 147.17400 g/mol. It is also known as 1-ethyl-3-isocyanatobenzene, 1-ethyl-3-isocyanato-benzene and 1-ethyl-3-isocyanate-benzene. Key properties include a boiling point of 104ºC (40 torr), a density of 1.033 g/mL at 25 °C(lit.) and a flash point of 74.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23138-58-1
- Jingsj CID
- J-11746-9
- Molecular Formula
- C9H9NO
- Chinese Name
- 3-乙基苯基异氰酸酯
- Molecular Weight
- 147.17400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 104ºC (40 torr) |
|---|---|
| Density | 1.033 g/mL at 25 °C(lit.) |
| Flash Point | 74.8ºC |
Frequently Asked Questions
What is the CAS number of 3-ethylphenyl isocyanate?
The CAS number of 3-ethylphenyl isocyanate is 23138-58-1.
What are the molecular formula and molecular weight of 3-ethylphenyl isocyanate?
3-ethylphenyl isocyanate has molecular formula C9H9NO and molecular weight 147.17400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-ethylphenyl isocyanate (CAS 23138-58-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11746-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.