3-Chlorobenzenethiol
3-Chlorobenzenethiol (CAS: 2037-31-2; Formula: ClC6H4SH; MW: 144.62 g/mol) is a sulfur-containing organic compound. It functions as a valuable building block in chemical synthesis, particularly within organic chemistry research and development. Its thiol group and substituted benzene ring offer versatile reactivity for creating more complex molecules. TSS supplies this chemical with an assay of 97%.
- IUPAC
- 3-Chlorothiophenol

Organic Synthesis Intermediate
3-Chlorobenzenethiol serves as a key intermediate in the synthesis of diverse organic compounds. Its structure allows for further functionalization, making it useful in constructing pharmaceutical precursors and advanced materials.
Research and Development
This compound is frequently employed in academic and industrial research laboratories for exploring new chemical pathways and developing novel molecules. Its specific reactivity profile is valuable for targeted synthetic strategies.
Thiol Chemistry
As a substituted thiol, 3-Chlorobenzenethiol is integral to studies and applications involving sulfur-based chemistry. It can participate in reactions typical of thiols, such as oxidation and nucleophilic substitution.
| Molecular weight | 144.62 |
|---|---|
| Linear formula | ClC6H4SH |
| Assay | 97% |
| Boiling point | 110 °C/30 mmHg(lit.) |
| Density | 1.245 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6021(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | UN 1760 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 23-26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Chlorobenzenethiol used for?
+
3-Chlorobenzenethiol is used as a building block in organic synthesis and in research and development for creating new molecules. It is particularly useful in sulfur and thiol chemistry.
What are the CAS number and chemical formula for 3-Chlorobenzenethiol?
+
The CAS number for 3-Chlorobenzenethiol is 2037-31-2, and its chemical formula is ClC6H4SH.
What grade and purity does Tech Serve Solutions supply for 3-Chlorobenzenethiol?
+
Tech Serve Solutions supplies 3-Chlorobenzenethiol with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Chlorobenzenethiol be handled safely?
+
3-Chlorobenzenethiol is classified as Danger with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including faceshields, gloves, and suitable respirators, must be used. Handle in a well-ventilated area and follow all safety protocols.
Is 3-Chlorobenzenethiol a controlled substance?
+
The provided data does not indicate that 3-Chlorobenzenethiol is a controlled substance.
How is 3-Chlorobenzenethiol packaged and shipped?
+
3-Chlorobenzenethiol is shipped as UN 1760, Class 8, Packing Group II. TSS provides expert handling and export services for this chemical.
How can I request a quote or sample for 3-Chlorobenzenethiol?
+
Please contact our sales team via the website or directly to request a quote or sample for 3-Chlorobenzenethiol.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis