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4-Chlorothiophenol

CAS No.
106-54-7
Chemical Name:
4-Chlorothiophenol
Synonyms
4-CHLOROBENZENETHIOL;4-Chloro;PARA-CHLOROTHIOPHENOL;NSC 229564;orothiophenoL;p-Chlorthiofenol;4-CHLOROTHIOPENOL;4-chlorthiophenol;AKOS BBS-00004252;CHLOROTHIOPHENOL-4
CBNumber:
CB6130893
Molecular Formula:
C6H5ClS
Molecular Weight:
144.62
MDL Number:
MFCD00004847
MOL File:
106-54-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:38
Product description Number Pack Size Price
4-Chlorothiophenol 97% 125237 5g $50.3
4-Chlorothiophenol 97% 125237 100g $121
4-Chlorobenzenethiol >98.0%(GC)(T) C0129 25g $67
4-Chlorobenzenethiol >98.0%(GC)(T) C0129 500g $228
4-Chlorothiophenol 97% 125237 500g $485
More product size

4-Chlorothiophenol Properties

Melting point 49-51 °C(lit.)
Boiling point 205-207 °C(lit.)
Density 1.1911
refractive index 1.5480
Flash point >230 °F
storage temp. 2-8°C
solubility methanol: soluble
pka pK1:5.9 (25°C)
form Crystalline Solid
color White to almost white
Water Solubility insoluble
Sensitive Stench/Lachrymatory
BRN 605971
InChI 1S/C6H5ClS/c7-5-1-3-6(8)4-2-5/h1-4,8H
InChIKey VZXOZSQDJJNBRC-UHFFFAOYSA-N
SMILES Sc1ccc(Cl)cc1
CAS DataBase Reference 106-54-7(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 1O71UA6O72
NIST Chemistry Reference Benzenethiol, 4-chloro-(106-54-7)
EPA Substance Registry System Benzenethiol, 4-chloro- (106-54-7)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H314
Precautionary statements  P260-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard Codes  C
Risk Statements  22-34-36/37-20/21/22
Safety Statements  26-36/37/39-45-27
RIDADR  UN 3261 8/PG 2
WGK Germany  3
RTECS  DC1050000
9-13-23
Hazard Note  Corrosive/Lachrymatory/Stench
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29309090
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Oral
Skin Corr. 1B
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
1
3 0

4-Chlorothiophenol price More Price(30)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 125237 4-Chlorothiophenol 97% 106-54-7 5g $50.3 2026-04-30 Buy
Sigma-Aldrich 125237 4-Chlorothiophenol 97% 106-54-7 100g $121 2026-04-30 Buy
TCI Chemical C0129 4-Chlorobenzenethiol >98.0%(GC)(T) 106-54-7 25g $67 2026-04-30 Buy
TCI Chemical C0129 4-Chlorobenzenethiol >98.0%(GC)(T) 106-54-7 500g $228 2026-04-30 Buy
Sigma-Aldrich 125237 4-Chlorothiophenol 97% 106-54-7 500g $485 2026-04-30 Buy
Product number Packaging Price Buy
125237 5g $50.3 Buy
125237 100g $121 Buy
C0129 25g $67 Buy
C0129 500g $228 Buy
125237 500g $485 Buy

4-Chlorothiophenol Chemical Properties,Uses,Production

Chemical Properties

white to almost white crystalline solid

Uses

Oil additives, agricultural chemicals, plasticizers, rubber chemical, dyes, wetting agents, and stabilizers.

Uses

4-Chlorothiophenol was used to modify poly(vinyl chloride) and to synthesize poly(vinyl chloride) with halogen groups.

Synthesis Reference(s)

The Journal of Organic Chemistry, 27, p. 4455, 1962 DOI: 10.1021/jo01059a081
Synthetic Communications, 18, p. 575, 1988 DOI: 10.1080/00397918808064014

General Description

4-Chlorothiophenol undergoes oxidative coupling catalyzed by iron(III)-tetra phenyl prophyrin to form disulfides.

Hazard

Toxic by ingestion.

Purification Methods

Recrystallise the thiophenol from aqueous EtOH. The SMe ether has m 129o and the SEt ether has m 64o. [D'Sousa et al. J Org Chem 52 1720 1987, Beilstein 6 H 326, 6 I 149, 6 III 1034.]

Global( 285)Suppliers
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View Lastest Price from 4-Chlorothiophenol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Chlorothiophenol pictures 2026-03-20 4-Chlorothiophenol
106-54-7
US $10.00 / KG 1KG 99% 100 mt Hebei Chuanghai Biotechnology Co., Ltd
4-Chlorothiophenol pictures 2025-05-26 4-Chlorothiophenol
106-54-7
US $5.00-2.00 / KG 1KG 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
4-Chlorothiophenol pictures 2019-11-08 4-Chlorothiophenol
106-54-7
US $0.00 / g 1g 98%min 20kg/month Nanjing jinheyou Trading Co., Ltd.
4-Chlorothiophenol/4-Chlorobenzenethiol 4-Cyano-Acetophonene/4-CA 4-Chloro 4-Chlorothiophenol 99% 4-chlorthiophenol PARA-CHLOROTHIOPHENOL BENZENETHIOL,PARA-CHLORO- 4-CHLOROTHIOPENOL 4-Chlorobenzenethiol, 4-Chlorophenyl mercaptan 1-Chloro-4-mercaptobenzene p-Chlorothiophenol 10g [106-54-7] 4-Chlorothiophenol,4-Chlorobenzenethiol, 4-Chlorophenyl mercaptan 4-Chlorothiophenol, 98% 100GR 4-Chlorothiophenol, 98% 5GR 4-Chloromercaptobenzene 4-Chlorothiophenol NSC 229564 p-Chlorophenylthiol Chlorobenzene thiophenol orothiophenoL 4-chloro-benzenethio Benzenethiol, p-chloro- Benzenethiol,4-chloro- p-chloro-benzenethio p-Chlorthiofenol Phenyl mercaptan, p-chloro- p-Mercaptochlorobenzene CHLOROTHIOPHENOL-4 AKOS BBS-00004252 4-CHLOROPHENYL MERCAPTAN 4-CHLOROTHIOPHENOL 4-CHLOROMERCAPTOBENZENE 4-CHLOROBENZENETHIOL 4-Chlorophenylthiol 4-Chlorothiophenol,98% P-CHLOROBENZENETHIOL P-CHLOROTHIOPHENOL P-CHLOROPHENYL MERCAPTAN 4-Chlorobenzenethiol > 4-Chlorothiophenol ISO 9001:2015 REACH 106-54-7 C6Cl1H5S1 C6H5SCl Thiols/Mercaptans Sulfur Compounds Organic Building Blocks Building Blocks Phenol&Thiophenol&Mercaptan Phenoles and thiophenoles Aromatic Phenols K00001