1,2,4-Triazole
1,2,4-Triazole (CAS 288-88-0) is a heterocyclic organic compound with the molecular formula C2H3N3 and a molecular weight of 69.07 g/mol. It presents as a solid and is known for its utility as a building block in organic synthesis. This compound is frequently employed in the development of pharmaceuticals and agrochemicals due to the unique properties conferred by the triazole ring system.
- Synonyms
- 288-88-0C2H3N3

Pharmaceutical Intermediate
1,2,4-Triazole serves as a crucial intermediate in the synthesis of various pharmaceutical agents. Its structural motif is found in several active pharmaceutical ingredients, contributing to their therapeutic efficacy.
Agrochemical Synthesis
The compound is utilised in the development of agrochemicals, including fungicides and herbicides. The triazole moiety often imparts specific biological activity required for crop protection.
Organic Synthesis Reagent
As a versatile building block, 1,2,4-Triazole is employed in a wide range of organic synthesis reactions. It facilitates the introduction of the triazole ring into complex molecules, enabling the creation of novel chemical entities.
| Molecular weight | 69.07 |
|---|---|
| Empirical formula | C2H3N3 |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Boiling point | 260 °C(lit.) |
| Melting point | 119-121 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H361D
Precautionary statements
- P281Use personal protective equipment as required
- P305IF IN EYES
| Flash point | 170 °C / 338 °F |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-22-36 |
| Safety statements (S) | 36/37 |
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 1,2,4-Triazole used for?
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1,2,4-Triazole is primarily used as a building block in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals.
What is the CAS number and molecular formula for 1,2,4-Triazole?
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The CAS number for 1,2,4-Triazole is 288-88-0, and its molecular formula is C2H3N3.
What grade and purity does Tech Serve Solutions supply for 1,2,4-Triazole?
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Tech Serve Solutions supplies 1,2,4-Triazole in reagent grade with an assay of 98%. This product is not represented as USP, BP, or EP grade.
How should 1,2,4-Triazole be handled?
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1,2,4-Triazole is classified as harmful if swallowed, causes serious eye irritation, and is suspected of damaging fertility or the unborn child. Handle with appropriate personal protective equipment (P281) and ensure good ventilation. Avoid contact with eyes (P305 + P351 + P338).
Is 1,2,4-Triazole a controlled substance?
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Based on the provided data, there is no indication that 1,2,4-Triazole is a controlled substance.
How is 1,2,4-Triazole shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and reagents, including 1,2,4-Triazole, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for 1,2,4-Triazole?
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Please contact our sales team through the website or by phone to request a sample or a formal quotation for 1,2,4-Triazole.
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