ChemicalBook > CAS DataBase List > 4-CHLOROPHENYL ISOTHIOCYANATE

4-CHLOROPHENYL ISOTHIOCYANATE

Product Name
4-CHLOROPHENYL ISOTHIOCYANATE
CAS No.
2131-55-7
Chemical Name
4-CHLOROPHENYL ISOTHIOCYANATE
Synonyms
Sch-20350;AKOS BBS-00004437;4-Chlor-phenyl-isothiocyanat;4-Chloroisothiocyanatobenzene;P-CHLOROPHENYL ISOTHIOCYANATE;4-CHLOROPHENYL ISOTHIOCYANATE;4-(Isothiocyanato)chlorobenzene;4-ChlorophenylIsothiocyanate>4-Chlorophenyl isothiocyate, 99%;4-Chlorophenyl isothiocyanate 99%
CBNumber
CB2274405
Molecular Formula
C7H4ClNS
Formula Weight
169.63
MOL File
2131-55-7.mol
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4-CHLOROPHENYL ISOTHIOCYANATE Property

Melting point:
42-44 °C(lit.)
Boiling point:
135-136 °C24 mm Hg(lit.)
Density 
1.3181 (rough estimate)
refractive index 
1.6100 (estimate)
Flash point:
110 °C
storage temp. 
Refrigerator (+4°C)
form 
powder to crystal
color 
White to Light yellow
Sensitive 
Moisture Sensitive
BRN 
471610
InChI
InChI=1S/C7H4ClNS/c8-6-1-3-7(4-2-6)9-5-10/h1-4H
InChIKey
MZZVFXMTZTVUFO-UHFFFAOYSA-N
SMILES
C1(Cl)=CC=C(N=C=S)C=C1
CAS DataBase Reference
2131-55-7(CAS DataBase Reference)
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Safety

Hazard Codes 
T
Risk Statements 
23/24-36/37/38-42-42/43-23/24/25
Safety Statements 
22-26-36/37/39-45-36/37
RIDADR 
UN 2206 6.1/PG 2
WGK Germany 
3
RTECS 
NX8473000
F 
10-21-19
HazardClass 
8
PackingGroup 
III
HS Code 
29309090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

Precautionary statements

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

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

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

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
253782
Product name
4-Chlorophenyl isothiocyanate
Purity
99%
Packaging
5g
Price
$86.8
Updated
2025/07/31
TCI Chemical
Product number
I0167
Product name
4-Chlorophenyl Isothiocyanate
Purity
>98.0%(GC)
Packaging
25g
Price
$190
Updated
2025/07/31
TRC
Product number
C993685
Product name
4-Chlorophenyl Isothiocyanate
Packaging
500mg
Price
$60
Updated
2021/12/16
SynQuest Laboratories
Product number
7668-5-02
Product name
4-Chlorophenyl Isothiocyanate
Purity
99%
Packaging
5G
Price
$69
Updated
2021/12/16
AK Scientific
Product number
J55869LPO
Product name
4-Chlorophenyl Isothiocyanate
Packaging
25g
Price
$80
Updated
2021/12/16
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4-CHLOROPHENYL ISOTHIOCYANATE Chemical Properties,Usage,Production

Chemical Properties

light yellow crystalline mass

Uses

4-Chlorophenyl isothiocyanate has been used in the synthesis of thiosemicarbazides. It was also used as building block for the synthesis of N-alkylated 2-arylaminobenzimidazoles.

Synthesis Reference(s)

Chemistry Letters, 6, p. 573, 1977
Organic Syntheses, Coll. Vol. 1, p. 165, 1941
Tetrahedron Letters, 38, p. 1597, 1997 DOI: 10.1016/S0040-4039(97)00121-4

Purification Methods

Check the IR first to see if free from OH frequencies. Triturate it with pet ether (b 30-60o) and decant the solvent. Repeat this 5times. The combined extracts are evaporated under reduced pressure to give almost pure compound as a readily crystallisable oil with a pleasant anise odour. It can be recrystallised from the minimum volume of EtOH at 50o (do not boil too long as it could react). It can be purified by vacuum distillation. [van der Kerk et al. Org Synth Coll Vol V 223 1973, Beilstein 12 IV 1214.] It is an IRRITANT and causes dermatitis; use gloves.

4-CHLOROPHENYL ISOTHIOCYANATE Preparation Products And Raw materials

Raw materials

Preparation Products

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4-CHLOROPHENYL ISOTHIOCYANATE Suppliers

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View Lastest Price from 4-CHLOROPHENYL ISOTHIOCYANATE manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
4-Chlorophenyl isothiocyanate 2131-55-7
Price
US $0.00-0.00/KG
Min. Order
10mg
Purity
99%HPLC
Supply Ability
2000tons
Release date
2020-01-19
Nanjing jinheyou Trading Co., Ltd.
Product
4-CHLOROPHENYL ISOTHIOCYANATE 2131-55-7
Price
US $0.00/g
Min. Order
1g
Purity
99.5%min
Supply Ability
20kg/week
Release date
2019-10-31
Career Henan Chemical Co
Product
4-CHLOROPHENYL ISOTHIOCYANATE 2131-55-7
Price
US $1.00/kg
Min. Order
1kg
Purity
95%-99%
Supply Ability
as request
Release date
2018-12-24

2131-55-7, 4-CHLOROPHENYL ISOTHIOCYANATERelated Search:

RHODAMINE B ISOTHIOCYANATE Isopropyl isothiocyanate Butyl isothiocyanate 4-CHLORO-2-METHYLPHENYL ISOTHIOCYANATE 2,4-DICHLOROPHENYL ISOTHIOCYANATE 2,4,6-TRICHLOROPHENYL ISOTHIOCYANATE 4-CHLORO-3-NITROPHENYL ISOTHIOCYANATE 2,4,5-TRICHLOROPHENYL ISOTHIOCYANATE 3,4-DICHLOROPHENYL ISOTHIOCYANATE 2,3,4-TRICHLOROPHENYL ISOTHIOCYANATE 3,5-DICHLOROPHENYL ISOTHIOCYANATE 4-BROMO-2-CHLOROPHENYL ISOTHIOCYANATE 2-Methoxy-5-chlorophenyl isothiocyanate 2,5-DICHLOROPHENYL ISOTHIOCYANATE 4-Chlorobenzenesulfonyl isocyanate O-CHLOROPHENYL ISOTHIOCYANATE,2-CHLOROPHENYL ISOTHIOCYANATE 3-CHLOROPHENYL ISOTHIOCYANATE,M-CHLOROPHENYL ISOTHIOCYANATE 2,6-DICHLOROPHENYL ISOTHIOCYANATE

  • 4-Chlorophenyl isothiocyanate 99%
  • P-CHLOROPHENYL ISOTHIOCYANATE
  • 4-Chlorophenyl isothiocyate, 99%
  • 4-CHLOROPHENYL ISOTHIOCYANATE
  • AKOS BBS-00004437
  • ISOTHIOCYANIC ACID 4-CHLOROPHENYL ESTER
  • 4-Chlorophenyl #niso-thiocyanate
  • ISOTHIOCYANIC ACID 4-CHLOROPHENYL ESTER 95+%
  • 4-Chloroisothiocyanatobenzene
  • 4-Chlor-phenyl-isothiocyanat
  • Benzene, 1-chloro-4-isothiocyanato-
  • Isothiocyanic acid, p-chlorophenyl ester
  • isothiocyanicacid,p-chlorophenylester
  • 1-CHLORO-4-ISOTHIOCYANATO-BENZENE
  • Sch-20350
  • 4-(Isothiocyanato)chlorobenzene
  • 4-Chlorophenyl isothiocyanate, 99% 25GR
  • 4-Chlorophenyl isothiocyanate,99%
  • 4-ChlorophenylIsothiocyanate&gt
  • 2131-55-7
  • Reagents for Protein Sequencing
  • Proteomics and Protein Expression
  • Protein Analysis
  • Protein Sequencing
  • Organic Building Blocks
  • Sulfur Compounds
  • ISOTHIOCYANATE
  • Building Blocks
  • BioChemical
  • Thiocyanates/Isothiocyanates
  • Proteomics
  • Organic Building Blocks
  • Protein Sequencing
  • Protein Structural Analysis
  • Reagents for Protein SequencingOrganic Building Blocks
  • Sulfur Compounds
  • Thiocyanates/Isothiocyanates
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfur Compounds
  • Protein Sequencing
  • Reagents for Protein Sequencing
  • Protein Structural Analysis