5,6-Dimethyl-1H-benzotriazole monohydrate
5,6-Dimethyl-1H-benzotriazole monohydrate (CAS: 1354973-50-4), with a molecular formula of C8H9N3 · H2O and a molecular weight of 165.19, is a heterocyclic compound. It is primarily utilised as a building block in chemical synthesis and for the development of novel organic molecules. Its structure makes it a valuable intermediate in various research and development applications within the fine chemical and pharmaceutical sectors.
- Synonyms
- C8H9N3 · H2O

Chemical Synthesis Intermediate
This compound serves as a versatile intermediate in organic synthesis. Its benzotriazole core can be modified or incorporated into larger molecular structures, facilitating the creation of complex target molecules for research purposes.
Heterocyclic Building Block
As a heterocyclic building block, 5,6-Dimethyl-1H-benzotriazole monohydrate is employed in the construction of diverse chemical frameworks. It is particularly useful in medicinal chemistry research for generating new molecular entities.
Research and Development
Utilised in R&D settings, this chemical aids in the exploration of new synthetic routes and the development of novel compounds. Its defined structure allows for predictable reactivity in various chemical transformations.
| Molecular weight | 165.19 |
|---|---|
| Empirical formula | C8H9N3 · H2O |
| Assay | 99% |
| Melting point | 152-156 °C(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) | 26-37/39 |
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 5,6-Dimethyl-1H-benzotriazole monohydrate used for?
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5,6-Dimethyl-1H-benzotriazole monohydrate is used as a building block in chemical synthesis and in research and development for creating novel organic molecules and heterocyclic frameworks.
What is the CAS number and formula for 5,6-Dimethyl-1H-benzotriazole monohydrate?
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The CAS number is 1354973-50-4 and the empirical formula is C8H9N3 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5,6-Dimethyl-1H-benzotriazole monohydrate with an assay of 99%. This product is supplied for laboratory and research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 5,6-Dimethyl-1H-benzotriazole monohydrate be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and remove contact lenses if present and easy to do. Continue rinsing. This compound is classified as a warning substance causing skin irritation, serious eye irritation, and respiratory tract irritation.
Is 5,6-Dimethyl-1H-benzotriazole monohydrate a controlled substance?
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Based on the provided data, 5,6-Dimethyl-1H-benzotriazole monohydrate is not indicated as a controlled substance.
How is 5,6-Dimethyl-1H-benzotriazole monohydrate packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport according to international regulations. Specific packing details are available upon request.
How can I request a sample or quote for 5,6-Dimethyl-1H-benzotriazole monohydrate?
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To request a sample or a quote, please contact the TSS sales team via the website or listed contact information, specifying the product name and CAS number.
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