Methyl thiosalicylate
Methyl thiosalicylate (CAS: 4892-02-8), with the molecular formula HSC6H4CO2CH3 and a molar mass of 168.21 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block in chemical synthesis. This compound is primarily utilised in organic synthesis and research laboratories, leveraging its reactive thiol group for various chemical transformations. Tech Serve Solutions supplies this chemical for laboratory and industrial applications.
- IUPAC
- Methyl 2-mercaptobenzoate

Organic Synthesis Intermediate
Methyl thiosalicylate functions as a key intermediate in the synthesis of more complex organic molecules. Its thiol and ester functionalities allow for diverse chemical reactions.
Research and Development
This compound is employed in research laboratories for exploring new synthetic pathways and developing novel materials. It is a useful reagent for introducing sulfur-containing moieties into organic structures.
Building Block for Specialty Chemicals
It can be used as a foundational component for creating specialty chemicals, particularly those requiring a mercaptobenzoate structure.
| Molecular weight | 168.21 |
|---|---|
| Linear formula | HSC6H4CO2CH3 |
| Assay | 97% |
| Boiling point | 98-100 °C/2 mmHg(lit.) |
| Density | 1.223 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.591(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Methyl thiosalicylate used for?
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Methyl thiosalicylate is primarily used as a building block in organic synthesis and in research laboratories for chemical synthesis and the development of novel compounds.
What are the CAS number and formula for Methyl thiosalicylate?
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The CAS number for Methyl thiosalicylate is 4892-02-8, and its molecular formula is HSC6H4CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl thiosalicylate with an assay of 97%. This product is supplied for laboratory and research purposes. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Methyl thiosalicylate be handled safely?
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Methyl thiosalicylate is classified as a warning substance. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, and may cause respiratory irritation (H302, H312, H332, H315, H319, H335). Recommended personal protective equipment includes eyeshields, face shields, gloves, and appropriate respiratory protection. Always consult the Safety Data Sheet (SDS) before handling.
Is Methyl thiosalicylate a controlled substance?
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The provided data does not indicate that Methyl thiosalicylate is a controlled substance.
How is Methyl thiosalicylate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant regulations to ensure safe and secure delivery globally. Specific packaging details are available upon request.
How can I request a sample or quote for Methyl thiosalicylate?
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To request a sample or quote for Methyl thiosalicylate, please contact our sales team via the website or by phone, providing your specific requirements.
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