1,2-Dimethylimidazole
1,2-Dimethylimidazole (CAS: 1739-84-0, C5H8N2) is a versatile heterocyclic organic compound with a molecular weight of 96.13 g/mol. This colourless to yellow liquid is primarily utilised as a building block in chemical synthesis. Its applications span the creation of novel ionic liquids and advanced materials, making it a valuable reagent for researchers in organic chemistry and materials science.
- Synonyms
- C5H8N21,2-Dimethyl-1H-imidazole1739-84-0
Synthesis of Imidazolium Salts
1,2-Dimethylimidazole serves as a key precursor in the synthesis of various imidazolium-based ionic liquids. For example, it has been employed in the preparation of 1,2-dimethyl-3-n-butylimidazolium chloride and 1,2-dimethyl-3-n-propylimidazolium chloride.
Ionic Liquid Precursor
Further derivatisation of 1,2-dimethylimidazole allows for the creation of functionalised ionic liquids. It is used in the synthesis of compounds such as 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and corresponding hexafluorophosphate salts.
Heterocyclic Building Block
As a substituted imidazole, this compound functions as a fundamental building block in organic synthesis. Its structure is amenable to various chemical transformations, facilitating the construction of more complex heterocyclic systems.
| Molecular weight | 96.13 |
|---|---|
| Empirical formula | C5H8N2 |
| Assay | 98% |
| Boiling point | 204 °C(lit.) |
| Density | 1.084 g/mL at 25 °C(lit.) |
| Vapour pressure | 1 mmHg (20 °C) |
| Autoignition temp | 896 °F |
| Melting point | 37-39 °C(lit.) |
| Application | 1,2-Dimethylimidazole was used in the synthesis of 1,2-dimethyl-3-n-butylimidazoliumchloride and 1,2-dimethyl-3-n-propylimidazolium chloride1. It was also used in the synthesis of 1-(2-methoxyethyl)-2,3-dimethylimidazolium chloride and hexafluorophosphate salts2. |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- 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 |
|---|---|
| Flash point | 92 °C / 197.6 °F |
| Transport (UN / ADR) | UN 3263 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-38-41 |
| Safety statements (S) | 24-26 |
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 1,2-Dimethylimidazole used for?
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1,2-Dimethylimidazole is primarily used as a building block in chemical synthesis, notably for the preparation of specific imidazolium salts and ionic liquids.
What is the CAS number and formula for 1,2-Dimethylimidazole?
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The CAS number for 1,2-Dimethylimidazole is 1739-84-0, and its empirical formula is C5H8N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Dimethylimidazole with a minimum purity of 98%. This is a technical grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should 1,2-Dimethylimidazole be handled safely?
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1,2-Dimethylimidazole is classified as Dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), and causes serious eye damage (H318). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Ensure good ventilation and avoid contact with skin and eyes.
Is 1,2-Dimethylimidazole exported globally by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,2-Dimethylimidazole.
How can I request a quote or sample of 1,2-Dimethylimidazole?
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To request a quote or sample, please contact the TSS sales department via the website or direct contact details provided.
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