2-Chloroethyl phenyl sulfide
2-Chloroethyl phenyl sulfide (CAS: 5535-49-9), with the linear formula ClCH 2 CH 2 SC 6 H 5 and a molecular weight of 172.68 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block in chemical synthesis. Primarily utilised in organic synthesis and for the development of novel chemical entities, it is an important reagent for researchers and industrial chemists.
- IUPAC
- 2-(Phenylthio)ethyl chloride

Organic Synthesis Intermediate
2-Chloroethyl phenyl sulfide is frequently employed as a key intermediate in the synthesis of more complex organic molecules. Its reactive chloroethyl group and phenylthio moiety allow for diverse chemical transformations.
Building Block for Heterocycles
This compound can be utilised in the construction of various sulfur-containing heterocyclic systems, which are prevalent in pharmaceuticals and materials science.
Research and Development
It is used in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical compounds with potential applications.
| Molecular weight | 172.68 |
|---|---|
| Linear formula | ClCH2CH2SC6H5 |
| Assay | 98% |
| Boiling point | 90-91 °C/1 mmHg(lit.) |
| Density | 1.174 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.583(lit.) |



Hazard statements
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-23/24-34 |
| Safety statements (S) | 53-26-36/37/39-45 |
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 2-Chloroethyl phenyl sulfide used for?
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2-Chloroethyl phenyl sulfide (CAS: 5535-49-9) is used as a building block in organic synthesis and for research and development purposes in the chemical industry.
What are the CAS number and formula for 2-Chloroethyl phenyl sulfide?
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The CAS number for 2-Chloroethyl phenyl sulfide is 5535-49-9, and its linear formula is ClCH 2 CH 2 SC 6 H 5 .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloroethyl phenyl sulfide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling 2-Chloroethyl phenyl sulfide?
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2-Chloroethyl phenyl sulfide is classified as Danger, with hazards including H311 (Toxic in contact with skin), H314 (Causes severe skin burns and eye damage), H331 (Toxic if inhaled), and H350 (May cause cancer). Appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, is essential. Respiratory protection, such as a full-face respirator or an ABEK-type filter, should be used, and handling should occur in a well-ventilated area or fume hood. Strict adherence to safety data sheets is mandatory.
How is 2-Chloroethyl phenyl sulfide typically packed and exported?
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2-Chloroethyl phenyl sulfide is packed and exported according to international shipping regulations for hazardous materials, identified as UN 2810, Class 6.1, Packing Group II.
How can I request a quote or sample of 2-Chloroethyl phenyl sulfide?
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To request a quote or sample of 2-Chloroethyl phenyl sulfide, please contact the Tech Serve Solutions sales team through our website or by phone.
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