4(5)-Methylimidazole
4(5)-Methylimidazole (CAS: 822-36-6), with the molecular formula C4H6N2 and a molecular weight of 82.10 g/mol, is a heterocyclic organic compound. This imidazole derivative serves as a valuable building block in chemical synthesis. It is commonly employed in the production of various organic molecules and as an intermediate in the development of pharmaceuticals and other fine chemicals.

Chemical Synthesis Intermediate
Utilised as a foundational component in organic synthesis for creating more complex molecular structures. Its imidazole core makes it suitable for a wide range of derivatisation reactions.
Pharmaceutical Building Block
Serves as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. Its structure can be incorporated into molecules designed for therapeutic purposes.
Research and Development
Frequently used in laboratory settings for research purposes, including the exploration of new chemical reactions and the development of novel materials and compounds.
| Molecular weight | 82.10 |
|---|---|
| Empirical formula | C4H6N2 |
| Assay | 98% |
| Boiling point | 263 °C(lit.) |
| Solubility | H2O: soluble, clear, colorless to yellow (50 mg/mL) |
| Melting point | 44-47 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 157 °C / 314.6 °F |
| Transport (UN / ADR) | UN 3263 8 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 21/22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 4(5)-Methylimidazole used for?
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4(5)-Methylimidazole is primarily used as a building block in chemical synthesis and as an intermediate in the development of pharmaceuticals and other fine chemicals.
What is the CAS number and formula for 4(5)-Methylimidazole?
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The CAS number is 822-36-6 and the molecular formula is C4H6N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4(5)-Methylimidazole with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 4(5)-Methylimidazole be handled safely?
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This compound is corrosive and harmful if swallowed or in contact with skin. Handle with appropriate personal protective equipment, including gloves, eye protection (eyeshields, face shields), and respiratory protection (type N100 or P3 filters). Ensure adequate ventilation. Refer to the Safety Data Sheet for full details.
Is 4(5)-Methylimidazole a controlled substance?
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The provided data does not indicate that 4(5)-Methylimidazole is a controlled substance.
How is 4(5)-Methylimidazole packed and exported?
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4(5)-Methylimidazole is packed and exported in compliance with relevant transport regulations, identified as UN 3263, Class 8, Packing Group III.
How can I request a sample or quote for 4(5)-Methylimidazole?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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