1,4-Dimethyl-4H-1,2,4-triazolium iodide
1,4-Dimethyl-4H-1,2,4-triazolium iodide (CAS: 120317-69-3; C4H8IN3) is a valuable quaternary ammonium salt with a molecular weight of 225.03 g/mol. Supplied by Tech Serve Solutions with an assay of 95%, this compound serves as a key catalyst. Its primary applications lie in facilitating various organic transformations, including oxidative Michael additions, amidations, and asymmetric acylations, making it an important reagent in modern synthetic chemistry.
- Synonyms
- 4-triazolium iodideC4H8IN3

Catalyst for Oxidative Michael Additions
1,4-Dimethyl-4H-1,2,4-triazolium iodide acts as an effective catalyst in oxidative Michael addition reactions. This application is crucial for forming carbon-carbon bonds under oxidative conditions, enabling complex molecule synthesis.
Catalyst for Oxidative Amidation and Azidation
This compound facilitates oxidative amidation and azidation reactions. These transformations are vital for introducing nitrogen-containing functional groups into organic molecules, important in pharmaceutical and agrochemical research.
Asymmetric Acylation Reactions
The triazolium salt is employed as a catalyst in asymmetric acylation processes. This enables the stereoselective synthesis of chiral compounds, a critical aspect of modern drug discovery and development.
| Molecular weight | 225.03 |
|---|---|
| Empirical formula | C4H8IN3 |
| Assay | 95% |
| Application | Catalyst for:• Oxidative Michael addition reactions1• Oxidative amidation or azidation2• Asymmetric acylation3 |
| Melting point | 120-125 °C |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 41 |
| Safety statements (S) | 26-39 |
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 1,4-Dimethyl-4H-1,2,4-triazolium iodide used for?
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1,4-Dimethyl-4H-1,2,4-triazolium iodide is primarily used as a catalyst in organic synthesis, specifically for oxidative Michael addition reactions, oxidative amidation or azidation, and asymmetric acylation.
What is the CAS number and formula for 1,4-Dimethyl-4H-1,2,4-triazolium iodide?
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The CAS number for 1,4-Dimethyl-4H-1,2,4-triazolium iodide is 120317-69-3, and its empirical formula is C4H8IN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Dimethyl-4H-1,2,4-triazolium iodide with an assay of 95%. We do not represent this product as meeting USP, BP, EP, or any pharmacopoeia standards.
How should 1,4-Dimethyl-4H-1,2,4-triazolium iodide be handled safely?
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Due to its potential to cause serious eye damage (H318), handle this compound with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Ensure good ventilation and avoid dust formation. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is 1,4-Dimethyl-4H-1,2,4-triazolium iodide shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,4-Dimethyl-4H-1,2,4-triazolium iodide, and can assist with international shipments.
How can I request a quote or sample?
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To request a quote or sample of 1,4-Dimethyl-4H-1,2,4-triazolium iodide, please contact our sales team through the TSS website or via the provided contact details.
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