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2-Methylbenzothiazole

CAS 120-75-2C8H7NSChemical Synthesis

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.

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2-Methylbenzothiazole (C8H7NS) — chemical structure, CAS 120-75-2; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC8 to C9Chemical SynthesisHeterocyclic Building BlocksThiazoles
01 /Applications

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.

02 /Properties
Molecular weight149.21
Empirical formulaC8H7NS
Assay99%
Boiling point238 °C(lit.)
Density1.173 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.617(lit.)
ApplicationReagent employed in the synthesis of polycarbocyanine1 and thiacyanine2,3 dyes, as well as (arylfuryl)benzothiazoles.3,4
Melting point11-14 °C(lit.)
03 /Safety & handling
Protective equipmentEyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
Flash point102 °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.

04 /Identifiers & registry
CAS number
120-75-2
MDL number
MFCD00005794
PubChem substance
24847071
Beilstein registry
112427
05 /Quality & supply

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.

06 /Frequently asked questions

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.

Need 2-Methylbenzothiazole in a specific grade or volume?