2-Methylthiothiazole
2-Methylthiothiazole (CAS 5053-24-7, C4H5NS2) is a heterocyclic organic compound with a molecular weight of 131.22 g/mol. This compound is primarily utilised as a versatile building block in organic synthesis. Its chemical structure lends itself to the creation of more complex molecules, making it valuable in research and development settings for chemical and pharmaceutical innovation.

Organic Synthesis
Serves as a key intermediate and building block in the synthesis of diverse organic compounds, leveraging its heterocyclic thiazole core.
Chemical Research
Utilised in academic and industrial research laboratories for the exploration of novel chemical reactions and the development of new materials.
Pharmaceutical Intermediate
Potential applications in the synthesis pathways for pharmaceutical agents, contributing to drug discovery and development.
| Molecular weight | 131.22 |
|---|---|
| Empirical formula | C4H5NS2 |
| Assay | 97% |
| Boiling point | 205-207 °C(lit.) |
| Density | 1.271 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6080(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Methylthiothiazole used for?
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2-Methylthiothiazole is primarily used as a building block in organic synthesis and for chemical research applications.
What are the CAS number and formula for 2-Methylthiothiazole?
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The CAS number is 5053-24-7 and the molecular formula is C4H5NS2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methylthiothiazole with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for 2-Methylthiothiazole?
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This compound is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H315, H319, and H335, indicating it can cause skin irritation, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used when handling.
How is 2-Methylthiothiazole shipped and exported?
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2-Methylthiothiazole is shipped and exported in compliance with relevant transport regulations, including UN 3334 classification. Please contact us for specific shipping details for your region.
How can I request a sample or quote for 2-Methylthiothiazole?
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To request a sample or a quote for 2-Methylthiothiazole, please contact our sales department through the website or by phone.
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