5-Amino-2-methylbenzothiazole dihydrochloride
5-Amino-2-methylbenzothiazole dihydrochloride (CAS 32770-99-3), with the molecular formula C8H8N2S · 2HCl and a molecular weight of 237.15, is a heterocyclic building block. This compound serves as a valuable intermediate in chemical synthesis, particularly within the C8 to C9 carbon range. Its thiazole core makes it a useful starting material for constructing more complex organic molecules in research and development settings.

Chemical Synthesis Intermediate
Utilised as a foundational component in organic synthesis for the creation of novel compounds. Its reactive amino group and benzothiazole scaffold allow for diverse derivatisation pathways.
Heterocyclic Chemistry Research
A key building block for researchers exploring new thiazole-based structures. It facilitates the development of compounds with potential applications in medicinal chemistry and material science.
Development of Specialty Chemicals
Engaged in the synthesis of advanced organic molecules and fine chemicals. The compound's specific structural features are leveraged for targeted molecular design.
| Molecular weight | 237.15 |
|---|---|
| Empirical formula | C8H8N2S · 2HCl |
| Assay | 97% |
| Melting point | 249-250 °C (dec.)(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 5-Amino-2-methylbenzothiazole dihydrochloride used for?
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5-Amino-2-methylbenzothiazole dihydrochloride is primarily used as an intermediate in chemical synthesis and as a building block in heterocyclic chemistry research.
What are the CAS number and molecular formula for 5-Amino-2-methylbenzothiazole dihydrochloride?
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The CAS number is 32770-99-3 and the molecular formula is C8H8N2S · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-2-methylbenzothiazole dihydrochloride with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 5-Amino-2-methylbenzothiazole dihydrochloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 5-Amino-2-methylbenzothiazole dihydrochloride a controlled substance?
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The provided safety data does not indicate that 5-Amino-2-methylbenzothiazole dihydrochloride is a controlled substance.
How is this chemical packed, shipped, and exported?
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This chemical is carefully packed according to industry standards to ensure safe transit and is available for global export. Please contact us for specific shipping and export details.
How can I request a sample or quote for 5-Amino-2-methylbenzothiazole dihydrochloride?
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You can request a sample or a quote by contacting our sales team through the details provided on our website. Please specify the product name and CAS number.
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