ChemicalBook > CAS DataBase List > 4-Chlorophenylurea

4-Chlorophenylurea

Product Name
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
Formula Weight
170.6
MOL File
140-38-5.mol
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4-Chlorophenylurea Property

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)
NIST Chemistry Reference
N-(4-chlorophenyl)urea(140-38-5)
EPA Substance Registry System
4-Chlorophenylurea (140-38-5)
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Safety

Safety Statements 
22-24/25
RIDADR 
UN2811
RTECS 
YS6127000
HazardClass 
IRRITANT
HS Code 
2924210090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S441228
Product name
4-CHLOROPHENYLUREA
Purity
Aldrich<sup>CPR</sup>
Packaging
1 unit
Price
$216
Updated
2025/07/31
Sigma-Aldrich
Product number
S441228
Product name
4-CHLOROPHENYLUREA
Purity
Aldrich
Packaging
250mg
Price
$209
Updated
2024/03/01
TRC
Product number
C380205
Product name
4-Chlorophenylurea
Packaging
250mg
Price
$65
Updated
2021/12/16
TRC
Product number
C380205
Product name
4-Chlorophenylurea
Packaging
10g
Price
$125
Updated
2021/12/16
TRC
Product number
C380205
Product name
4-Chlorophenylurea
Packaging
50g
Price
$305
Updated
2021/12/16
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4-Chlorophenylurea Chemical Properties,Usage,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

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4-Chlorophenylurea Suppliers

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View Lastest Price from 4-Chlorophenylurea manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
4-Chlorophenylurea 140-38-5
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000KG
Release date
2024-07-18

140-38-5, 4-ChlorophenylureaRelated Search:

UREA-13C Triphenylmethyl Chloride tert-Butylchlorodiphenylsilane Urea 4-Chlorophenyl isocyanate Triphenylphosphine Chlorodiphenylmethane Phenylurea Forchlorfenuron CHLORPROPAMIDE Chlorhexidine Diacetate N-(4-Chlorophenyl)guanidine Phenylacetone 3,4-DICHLOROPHENYL HYDROXY UREA Triclocarban N-(2-BROMOETHYL)-N'-(2,4-DICHLOROPHENYL)UREA chlorbenzuron NEBURON

  • 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
  • Chlorhexidine Diacetate Impurity F
  • 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
  • 140-38-5