1-Trimethylsilyl-1,2,4-triazole
1-Trimethylsilyl-1,2,4-triazole (CAS: 18293-54-4, C5H11N3Si) is a heterocyclic organosilicon compound with a molecular weight of 141.25 g/mol. It serves as a valuable building block in organic synthesis. Utilised primarily in chemical research and development, this compound is key for introducing the triazole moiety into more complex molecular structures, finding applications in the creation of novel compounds.
- Synonyms
- 18293-54-4C5H11N3Si

Organic Synthesis Intermediate
1-Trimethylsilyl-1,2,4-triazole acts as a versatile intermediate in the synthesis of various organic compounds. Its silyl group facilitates regioselective reactions, making it a useful reagent for constructing complex molecules.
Heterocyclic Chemistry
As a functionalized triazole, this compound is employed in heterocyclic chemistry research. It enables the development of new nitrogen-containing heterocyclic systems with potential applications in pharmaceuticals and materials science.
Research and Development
This chemical is primarily used in laboratory settings for research and development purposes. It aids chemists in exploring new synthetic pathways and creating novel molecular architectures.
| Molecular weight | 141.25 |
|---|---|
| Empirical formula | C5H11N3Si |
| Assay | ≥97.0% (NT) |
| Grade | purum |
| Boiling point | 74 °C/12 mmHg(lit.) |
| Density | 0.989 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.461(lit.)n20/D 1.462 |
| Storage temperature | 2-8°C |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 18 °C / 64.4 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26 |
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-Trimethylsilyl-1,2,4-triazole used for?
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1-Trimethylsilyl-1,2,4-triazole is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry research and development for creating novel compounds.
What is the CAS number and formula for 1-Trimethylsilyl-1,2,4-triazole?
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The CAS number is 18293-54-4, and the empirical formula is C5H11N3Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Trimethylsilyl-1,2,4-triazole with a minimum assay of ≥97.0% (NT), specified as 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should 1-Trimethylsilyl-1,2,4-triazole be handled safely?
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This compound is highly flammable (Flash Point: 18 °C / 64.4 °F) and can cause skin, eye, and respiratory irritation (H225, H315, H319, H335). Always handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Refer to the Safety Data Sheet (SDS) for full details.
Is 1-Trimethylsilyl-1,2,4-triazole packed and shipped by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Trimethylsilyl-1,2,4-triazole, which is packed and shipped according to international regulations (UN 1993, BF 3, PGII).
How can I request a sample or quote for 1-Trimethylsilyl-1,2,4-triazole?
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To request a sample or a quote for 1-Trimethylsilyl-1,2,4-triazole, please contact the Tech Serve Solutions sales team through our website or by calling our customer service line.
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