1-(4-Chlorophenyl)urea
Also known as: 4-Chlorophenylurea, N-(4-Chlorophenyl)urea, p-Chlorophenylurea, 1-(p-Chlorophenyl)urea, p-CPU, Chlorhexidine EP Impurity F, Urea, N-(4-chlorophenyl)-
1-(4-Chlorophenyl)urea (CAS 140-38-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H7ClN2O and a molecular weight of 170.596 g/mol. Key properties include a melting point of 204-205ºC, a boiling point of 271.7±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 118.1±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 140-38-5
- Jingsj CID
- J-25395-2
- Molecular Formula
- C7H7ClN2O
- Molecular Weight
- 170.596 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 204-205ºC |
|---|---|
| Boiling Point | 271.7±23.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 118.1±22.6 °C |
| Exact Mass | 170.024689 |
| PSA | 55.12000 |
| LogP | 1.64 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.649 |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. 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 1-(4-Chlorophenyl)urea?
The CAS number of 1-(4-Chlorophenyl)urea is 140-38-5.
What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)urea?
1-(4-Chlorophenyl)urea has molecular formula C7H7ClN2O and molecular weight 170.596 g/mol.
What are the upstream and downstream products of 1-(4-Chlorophenyl)urea?
For 1-(4-Chlorophenyl)urea, Upstream Products: Potassium cyanate, 4-Chloroaniline, Sodium cyanate; Downstream Products: Diflubenzuron, N-(4-Chlorophenyl)-2,6-difluorobenzamide, 2-Amino-6-chlorobenzoxazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(4-Chlorophenyl)urea (CAS 140-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25395-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.