1,2-Dimethylimidazole
Also known as: 1,2-Dimethyl-1H-imidazole, N,2-Dimethylimidazole, Imidazole,1,2-dimethyl-, 1,2-Dimethyl-1H-imidazole (9CI), UNII-Q41BC3GRJB, bis-methylimidazole, dimethylglyoxaline
1,2-Dimethylimidazole (CAS 1739-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N2 and a molecular weight of 96.130 g/mol. Key properties include a melting point of 37-39 °C(lit.), a boiling point of 206.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 73.0±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1739-84-0
- Jingsj CID
- J-1089846-1
- Molecular Formula
- C5H8N2
- Molecular Weight
- 96.130 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 37-39 °C(lit.) |
|---|---|
| Boiling Point | 206.0±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 73.0±18.7 °C |
| Exact Mass | 96.068748 |
| PSA | 17.82000 |
| LogP | -0.13 |
| Vapor Pressure | 0.3±0.3 mmHg at 25°C |
| Refractive Index | 1.519 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Dimethylimidazole?
The CAS number of 1,2-Dimethylimidazole is 1739-84-0.
What are the molecular formula and molecular weight of 1,2-Dimethylimidazole?
1,2-Dimethylimidazole has molecular formula C5H8N2 and molecular weight 96.130 g/mol.
Is 1,2-Dimethylimidazole hazardous?
1,2-Dimethylimidazole has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 1,2-Dimethylimidazole?
For 1,2-Dimethylimidazole, Upstream Products: iodomethane, Dimethyl Carbonate, Methanol; Downstream Products: 1-Octyl-2,3-dimethylimidazolium chloride, 1,2-Dimethyl-4-nitro-1H-imidazole, 1-butyl-2,3-dimethylimidazolium tetrafluoroborate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Dimethylimidazole (CAS 1739-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089846-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.