140-38-5

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140-38-5 Structure

Identification	More
[Name] 4-Chlorophenylurea
[CAS] 140-38-5
[Synonyms] 1-(4-CHLOROPHENYL)UREA 4-CHLOROPHENYLUREA DIHEXYLPHTHALATE N-(4-CHLOROPHENYL)UREA P-CHLOROPHENYL UREA 1-(p-chlorophenyl)-ure 1-(p-Chlorophenyl)urea p-CPU Urea, (4-chlorophenyl)- Urea, (p-chlorophenyl)- Urea, 1-(p-chlorophenyl)- 4-CHLOROPHENYLUREA 98%
[EINECS(EC#)] 205-412-6
[Molecular Formula] C7H7ClN2O
[MDL Number] MFCD00014788
[Molecular Weight] 170.6
[MOL File] 140-38-5.mol

Chemical Properties	Back Directory
[Melting point ] 204-205°C
[Boiling point ] 271.7±23.0 °C(Predicted)
[density ] 1.402±0.06 g/cm3(Predicted)
[pka] 14.13±0.70(Predicted)
[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] 140-38-5(EPA Substance)

Safety Data	Back Directory
[Safety Statements ] S22:Do not breathe dust . S24/25:Avoid contact with skin and eyes .
[RTECS ] YS6127000
[HazardClass ] IRRITANT
[HS Code ] 2924210090

Raw materials And Preparation Products	Back Directory
[Raw materials] Sodium cyanate-->4-Chlorobenzenamine hydrochloride

Hazard Information	Back Directory
[Chemical Properties] colorless crystal, insoluble in water, soluble in ethanol.
[Uses] 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.

Spectrum Detail	Back Directory
[Spectrum Detail] 4-Chlorophenylurea(140-38-5)MS 4-Chlorophenylurea(140-38-5)IR1 4-Chlorophenylurea(140-38-5)IR2

Well-known Reagent Company Product Information	Back Directory
[Alfa Aesar] 4-Chlorophenylurea, 98%(140-38-5)
[Sigma Aldrich] 140-38-5(sigmaaldrich)

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