1-Vinyl-1,2,4-triazole

CAS 2764-83-2C4H5N3Chemical Synthesis

1-Vinyl-1,2,4-triazole (CAS: 2764-83-2) is a heterocyclic organic compound with the molecular formula C4H5N3 and a molecular weight of 95.10 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly for creating more complex heterocyclic structures. Its refractive index is n20/D 1.511, and it has a density of 1.099 g/mL at 20 °C. Tech Serve Solutions supplies this reagent with an assay of ≥97.0%.

Synonyms: 2764-83-2C4H5N3

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1-Vinyl-1,2,4-triazole (C4H5N3) — chemical structure, CAS 2764-83-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksTriazoles

01 /Applications

Organic Synthesis Intermediate

1-Vinyl-1,2,4-triazole is primarily utilised as a versatile intermediate in the synthesis of various organic molecules. Its triazole ring system and vinyl group offer reactive sites for further chemical transformations.

Heterocyclic Chemistry

As a heterocyclic building block, it is instrumental in the construction of novel heterocyclic compounds. These compounds can find applications in diverse fields, including pharmaceuticals and materials science.

Research and Development

This compound is employed in research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure lends itself to diverse derivatization and functionalisation strategies.

02 /Properties

Molecular weight	95.10
Empirical formula	C4H5N3
Assay	≥97.0%
Density	1.099 g/mL at 20 °C(lit.)
Refractive index	n20/D 1.511

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

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	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
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.

04 /Identifiers & registry

CAS number

2764-83-2

MDL number

MFCD00674553

Beilstein registry

605827

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 1-Vinyl-1,2,4-triazole used for?

1-Vinyl-1,2,4-triazole (CAS: 2764-83-2) is used as a versatile building block in organic synthesis, particularly for creating complex heterocyclic structures, and in research and development for exploring new chemical entities.

What are the CAS number and formula for 1-Vinyl-1,2,4-triazole?

The CAS number for 1-Vinyl-1,2,4-triazole is 2764-83-2, and its empirical formula is C4H5N3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1-Vinyl-1,2,4-triazole with an assay of ≥97.0%. TSS does not represent this product as USP, BP, EP or other pharmacopoeial grades.

How should 1-Vinyl-1,2,4-triazole be handled safely?

1-Vinyl-1,2,4-triazole is classified with GHS07 symbol and a Warning signal word, with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Ensure adequate ventilation and avoid inhalation of vapours.