4-Chlorophenylurea
- CAS NO.：140-38-5
- Empirical Formula: C7H7ClN2O
- Molecular Weight: 170.6
- MDL number: MFCD00014788
- EINECS: 205-412-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-06 22:25:17
What is 4-Chlorophenylurea?
Chemical properties
colorless crystal, insoluble in water, soluble in ethanol.
The Uses of 4-Chlorophenylurea
p-Chlorophenylurea is a intermediate to synthesize chlorfenuron in sodium cyanate route.
Synthesis
4-Chlorophenylurea was prepared by acting p-chloroaniline hydrochloride with sodium cyanate.
Properties of 4-Chlorophenylurea
| Melting point: | 204-205°C |
| Boiling point: | 271.7±23.0 °C(Predicted) |
| Density | 1.402±0.06 g/cm3(Predicted) |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| pka | 14.13±0.70(Predicted) |
| form | Solid |
| color | White to Off-White |
| BRN | 908492 |
| CAS DataBase Reference | 140-38-5(CAS DataBase Reference) |
| NIST Chemistry Reference | N-(4-chlorophenyl)urea(140-38-5) |
| EPA Substance Registry System | 4-Chlorophenylurea (140-38-5) |
Safety information for 4-Chlorophenylurea
Computed Descriptors for 4-Chlorophenylurea
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