ChemicalBook >> CAS DataBase List >>4-Chlorophenylurea

4-Chlorophenylurea

CAS No.
140-38-5
Chemical Name:
4-Chlorophenylurea
Synonyms
p-CPU;NSC12971;NSC 12971;NSC-12971;DIHEXYLPHTHALATE;4-CHLOROPHENYLUREA;P-CHLOROPHENYL UREA;Diazoxide impurity-9;4-CHLOROPHENYLUREA 98%;1-(4-CHLOROPHENYL)UREA
CBNumber:
CB6299378
Molecular Formula:
C7H7ClN2O
Molecular Weight:
170.6
MDL Number:
MFCD00014788
MOL File:
140-38-5.mol
Last updated:2023-05-15 10:43:58

4-Chlorophenylurea Properties

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)
form Solid
pka 14.13±0.70(Predicted)
color White to Off-White
BRN 908492
CAS DataBase Reference 140-38-5(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 52HM99ELKB
NIST Chemistry Reference N-(4-chlorophenyl)urea(140-38-5)
EPA Substance Registry System 4-Chlorophenylurea (140-38-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS06
Signal word  Danger
Hazard statements  H319-H301-H335-H317-H315
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P310-P321-P330-P405-P501-P264-P280-P302+P352-P321-P332+P313-P362
Safety Statements  22-24/25
RTECS  YS6127000
HazardClass  IRRITANT
HS Code  2924210090
NFPA 704
1
0 0

4-Chlorophenylurea price More Price(30)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S441228 4-CHLOROPHENYLUREA Aldrich 140-38-5 250mg $209 2024-03-01 Buy
Alfa Aesar B25090 4-Chlorophenylurea, 98% 140-38-5 5g $41.58 2023-01-06 Buy
Alfa Aesar B25090 4-Chlorophenylurea, 98% 140-38-5 25g $155.4 2023-01-06 Buy
Alfa Aesar B25090 4-Chlorophenylurea, 98% 140-38-5 100g $497.7 2023-01-06 Buy
TRC C380205 4-Chlorophenylurea 140-38-5 100g $485 2021-12-16 Buy
Product number Packaging Price Buy
S441228 250mg $209 Buy
B25090 5g $41.58 Buy
B25090 25g $155.4 Buy
B25090 100g $497.7 Buy
C380205 100g $485 Buy

4-Chlorophenylurea Chemical Properties,Uses,Production

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.

4-Chlorophenylurea Preparation Products And Raw materials

Raw materials

Preparation Products

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1-(p-chlorophenyl)-ure 1-(p-Chlorophenyl)urea p-CPU Urea, (4-chlorophenyl)- Urea, (p-chlorophenyl)- Urea, 1-(p-chlorophenyl)- P-CHLOROPHENYL UREA N-(4-CHLOROPHENYL)UREA 1-(4-CHLOROPHENYL)UREA 4-CHLOROPHENYLUREA 4-CHLOROPHENYLUREA 98% DIHEXYLPHTHALATE 4-(Carbamoylamino)chlorobenzene Chlorhexidine Dihydrochloride impurity F Chlorhexidine Digluconate EP Impurity F Chlorhexidine EP Impurity F Urea, N-(4-chlorophenyl)- Chlorhexidine Impurity 6 (Chlorhexidine Digluconate EP Impurity F) NSC 12971 NSC12971 NSC-12971 4Chlorophenylurea,4 Chlorophenylurea Diazoxide impurity-9 140-38-5