2-Methylbenzothiazole
2-Methylbenzothiazole (CAS: 120-75-2; C8H7NS) is a heterocyclic organic compound with a molecular weight of 149.21 g/mol. This thiazole derivative serves as a key reagent in chemical synthesis. Its primary applications include the preparation of various dyes, such as polycarbocyanine and thiacyanine dyes, as well as specific (arylfuryl)benzothiazole structures.

Dye Synthesis
Serves as a crucial reagent in the synthesis of polycarbocyanine and thiacyanine dyes, contributing to the development of specialised colorants.
Heterocyclic Compound Preparation
Employed in the preparation of (arylfuryl)benzothiazoles, highlighting its utility in constructing complex heterocyclic systems.
Chemical Synthesis Intermediate
A versatile building block used in organic synthesis, particularly for creating molecules with benzothiazole cores.
| Molecular weight | 149.21 |
|---|---|
| Empirical formula | C8H7NS |
| Assay | 99% |
| Boiling point | 238 °C(lit.) |
| Density | 1.173 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.617(lit.) |
| Application | Reagent employed in the synthesis of polycarbocyanine1 and thiacyanine2,3 dyes, as well as (arylfuryl)benzothiazoles.3,4 |
| Melting point | 11-14 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 102 °C / 215.6 °F |
| Water hazard class (WGK, DE) | 3 |
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-Methylbenzothiazole primarily used for?
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2-Methylbenzothiazole is used as a reagent in the synthesis of polycarbocyanine and thiacyanine dyes, and for preparing (arylfuryl)benzothiazoles.
What is the CAS number and formula for 2-Methylbenzothiazole?
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The CAS number is 120-75-2 and the molecular formula is C8H7NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methylbenzothiazole with a purity of 99%. This product is not supplied as USP, BP, or EP grade.
What are the safety considerations when handling 2-Methylbenzothiazole?
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2-Methylbenzothiazole is combustible with a flash point of 102 °C (215.6 °F). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, and avoid exposure to heat or open flames. Refer to the Safety Data Sheet for full details.
How is 2-Methylbenzothiazole packed and shipped?
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2-Methylbenzothiazole is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 2-Methylbenzothiazole?
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To request a sample or a quotation for 2-Methylbenzothiazole, please contact the Tech Serve Solutions sales team via the website or by phone.
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