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4-Chlorophenylurea

4-Chlorophenylurea structure

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:2026-06-06 22:25:17

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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)

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 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(61)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S441228	4-CHLOROPHENYLUREA Aldrich^CPR	140-38-5	1 unit	$230	2026-04-30	Buy
Sigma-Aldrich	S441228	4-CHLOROPHENYLUREA Aldrich	140-38-5	250mg	$209	2024-03-01	Buy
TRC	TRC-C380205-250MG	4-Chlorophenylurea	140-38-5	250mg	$95	2026-06-03	Buy
TRC	TRC-C380205-1G	4-Chlorophenylurea	140-38-5	1g	$133	2026-06-03	Buy
TRC	TRC-C380205-10G	4-Chlorophenylurea	140-38-5	10g	$172	2026-06-03	Buy

Product number	Packaging	Price	Buy
S441228	1 unit	$230	Buy
S441228	250mg	$209	Buy
TRC-C380205-250MG	250mg	$95	Buy
TRC-C380205-1G	1g	$133	Buy
TRC-C380205-10G	10g	$172	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

4-Chlorobenzenamine hydrochloride Sodium cyanate

Preparation Products

4-Chlorophenylurea Suppliers

Global( 147)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
Ark Pharm, Inc.	847-367-3680	sales@arkpharminc.com	United States	1669	56
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	18201	56
Shanghai BeiZhuo Biotech Co., Ltd.	021-61119791,13386096464	bzswkf@foxmail.com	China	3916	50
Bide Pharmatech Ltd.	400-164-7117 18317119277	product02@bidepharm.com	China	40000	60

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
Ark Pharm, Inc.	56
Energy Chemical	61
Adamas Reagent, Ltd.	59
Syntechem Co.,Ltd	57
9ding chemical ( Shanghai) Limited	56
Shanghai BeiZhuo Biotech Co., Ltd.	50
Bide Pharmatech Ltd.	60

View Lastest Price from 4-Chlorophenylurea manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-08-08	4-Chlorophenylurea 140-38-5	$29.00		98.87%	10g	TargetMol Chemicals Inc.
	2025-12-24	4-Chlorophenylurea 140-38-5		1KG	99.0%	1000KG	Shaanxi Dideu Medichem Co. Ltd

4-Chlorophenylurea
140-38-5
$29.00
98.87%
TargetMol Chemicals Inc.

4-Chlorophenylurea
140-38-5
99.0%
Shaanxi Dideu Medichem Co. Ltd

4-Chlorophenylurea Spectrum

4-Chlorophenylurea(140-38-5)MS 4-Chlorophenylurea(140-38-5)¹HNMR 4-Chlorophenylurea(140-38-5)IR1 4-Chlorophenylurea(140-38-5)IR2

140-38-5(4-Chlorophenylurea)Related Search:

4-Chlorophenyl isocyanate Triphenylphosphine Chlorodiphenylmethane Phenylurea Triphenylmethyl Chloride

tert-Butylchlorodiphenylsilane Forchlorfenuron CHLORPROPAMIDE Chlorhexidine Diacetate N-(4-Chlorophenyl)guanidine

Urea Urea-13C Phenylacetone Triclocarban chlorbenzuron

3,4-Dichlorophenyl hydroxy urea N-(2-Bromoethyl)-N'-(2,4-dichlorophenyl)urea NEBURON

1of4

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 Chlorhexidine Diacetate Impurity F 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 Impurity 6 140-38-5