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
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-22 18:57:36
Product description Number Pack Size Price
4-CHLOROPHENYLUREA AldrichCPR S441228 1 unit $230
4-CHLOROPHENYLUREA Aldrich S441228 250mg $209
4-Chlorophenylurea C380205 100g $485
4-Chlorophenylurea C380205 10g $125
4-Chlorophenylurea C380205 50g $305
More product size

4-Chlorophenylurea Properties

Melting point 204-205°C
Boiling point 271.7±23.0 °C(Predicted)
Density 1.402±0.06 g/cm3(Predicted)
storage temp. Storage temp. 2-8°C
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
RIDADR  UN2811
RTECS  YS6127000
HazardClass  IRRITANT
HS Code  2924210090
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
1
0 0

4-Chlorophenylurea price More Price(31)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S441228 4-CHLOROPHENYLUREA AldrichCPR 140-38-5 1 unit $230 2026-03-19 Buy
Sigma-Aldrich S441228 4-CHLOROPHENYLUREA Aldrich 140-38-5 250mg $209 2024-03-01 Buy
TRC C380205 4-Chlorophenylurea 140-38-5 100g $485 2021-12-16 Buy
TRC C380205 4-Chlorophenylurea 140-38-5 10g $125 2021-12-16 Buy
TRC C380205 4-Chlorophenylurea 140-38-5 50g $305 2021-12-16 Buy
Product number Packaging Price Buy
S441228 1 unit $230 Buy
S441228 250mg $209 Buy
C380205 100g $485 Buy
C380205 10g $125 Buy
C380205 50g $305 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

Global( 138)Suppliers
Supplier Tel Email Country ProdList Advantage
Shaanxi Dideu Medichem Co. Ltd
+8617392709771 1097@dideu.com China 3996 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32467 58
Alfa Chemistry
info@alfa-chemistry.com United States 2344 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739 info@dycnchem.com China 52705 58
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49734 58
Hebei Chuanghai Biotechnology Co., Ltd
+8615531151365 mina@chuanghaibio.com China 18126 58
GIHI CHEMICALS CO.,LIMITED
+86-571-86217390; +8618058761490 info@gihichemicals.com China 49968 58
Dalian Ruiying Technology Co., Ltd.
+86-0411-86907150 +86-15940963210 609262758@qq.com China 578 58

View Lastest Price from 4-Chlorophenylurea manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Chlorophenylurea pictures 2026-04-22 4-Chlorophenylurea
140-38-5
US $39.00 / mL 98.87% 10g TargetMol Chemicals Inc.
4-Chlorophenylurea pictures 2025-12-24 4-Chlorophenylurea
140-38-5
US $0.00-0.00 / KG 1KG 99.0% 1000KG Shaanxi Dideu Medichem Co. Ltd
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 1-(4-Chlorophenyl)urea 100 μg/ml Acetonitrile C11492000 1-(4-Chlorophenyl)urea Diazoxide impurity-9 4-Chlorophenylurea, 10 mM in DMSO Chlorhexidine EP Impurity4 Chlorhexidine Diacetate Impurity F 140-38-5