4,5-Dimethyl-1H-imidazole

Also known as: 4,5-Dimethylimidazole, Imidazole, 4,5-dimethyl-, 1H-Imidazole, 4,5-dimethyl-

4,5-Dimethyl-1H-imidazole (CAS 2302-39-8) 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 121-122ºC, a boiling point of 284.3±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 151.0±5.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2302-39-8
Jingsj CID: J-1394406-4
Molecular Formula: C₅H₈N₂
Molecular Weight: 96.130 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	121-122ºC
Boiling Point	284.3±9.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	151.0±5.1 °C
Exact Mass	96.068748
PSA	28.68000
LogP	0.76
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.520

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 4,5-Dimethyl-1H-imidazole?

The CAS number of 4,5-Dimethyl-1H-imidazole is 2302-39-8.

What are the molecular formula and molecular weight of 4,5-Dimethyl-1H-imidazole?

4,5-Dimethyl-1H-imidazole has molecular formula C5H8N2 and molecular weight 96.130 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Dimethyl-1H-imidazole (CAS 2302-39-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1394406-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.