2,5-Dimethylphenyl isocyanate
Also known as: 2-isocyanato-1,4-dimethylbenzene, 2,5-dimethylphenyl isocyanate, 2,5-dimethylbenzenisocyanate, 2,5-dimethyl-phenyl isocyanate, benzene, 2-isocyanato-1,4-dimethyl-, MFCD00013854
2,5-Dimethylphenyl isocyanate (CAS 40397-98-6) 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 224.4±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 78.8±21.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40397-98-6
- Jingsj CID
- J-8377-2
- 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 | 224.4±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 78.8±21.3 °C |
| Exact Mass | 147.068420 |
| PSA | 29.43000 |
| LogP | 3.50 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.516 |
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 2,5-Dimethylphenyl isocyanate?
The CAS number of 2,5-Dimethylphenyl isocyanate is 40397-98-6.
What are the molecular formula and molecular weight of 2,5-Dimethylphenyl isocyanate?
2,5-Dimethylphenyl isocyanate has molecular formula C9H9NO and molecular weight 147.174 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dimethylphenyl isocyanate (CAS 40397-98-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8377-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.