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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 70259Generated: October 23, 2026

2,4-Dimethylimidazole

2,4-DIMETHYL-1H-IMIDAZOLE · 2,5-Dimethyl-1H-imidazole · 2,4-dimethyl · TIMTEC-BB SBB004378 · 2,4-Dimethylimidazol · 2,4-DIMETHYLIMIDAZOLE · Two 2,4-MethyliMidazole · Imidazole, 2,4-dimethyl-

https://huagongshe.com/en/chemical/70259

2,4-Dimethylimidazole molecular structure

Identifiers & Physical Properties

CAS No.930-62-1
Molecular formulaC5H8N2
Average molar mass96.13 g/mol
Monoisotopic mass96.06874826 g/mol
SMILESCc1cnc(C)[nH]1
InChIKeyLLPKQRMDOFYSGZ-UHFFFAOYSA-N
PubChem CID70259
EC No.213-221-4
DTXSIDDTXSID40239236

Chemical & Physical Properties

XLogP0.9
Topological polar surface area28.7
Hydrogen bond donors1
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms7
Formal charge0
Complexity63.1
SpringerMaterials PropertiesChemical shift
Melting point85-87 °C
Boiling point266 °C (733 mmHg)
Density0.9678 (rough estimate)
Refractive index1.5000 (estimate)
Flash point266°C/733mm
Storage conditionsSealed in dry,Room Temperature
Physical stateWeak Mass or Viscous Liquid
pKa (acidity coefficient)8.36(at 25℃)
ColorYellow to orange
SolubilitySoluble in water.
BRN1639
InChIInChI=1S/C5H8N2/c1-4-3-6-5(2)7-4/h3H,1-2H3,(H,6,7)
InChIKeyLLPKQRMDOFYSGZ-UHFFFAOYSA-N
SMILESC1(C)NC(C)=CN=1
CAS DataBase Reference930-62-1(CAS DataBase Reference)
EWG's Food Scores1
FDA UNIIT0MIX7SJ2E
GHS pictogramGHS05
Signal wordDanger
GHS hazard statementsH314-H318
GHS precautionary statementsP260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a
Hazard symbolsC
Risk statements (R)34-22
Safety statements (S)45-36/37/39-26
UN transport number3263
RTECS numberNI4839712
Hazard class8
Packing groupⅢ
Customs code29332990
Limited quantities5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 58% (29 of 50) of all reports.DangerH314 (40%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 50 reports by companies from 4 notifications to the ECHA C&L Inventory.
Regulatory information1H-Imidazole, 2,4-dimethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesSkin Corr. 1B (40%)
RTECS numberNI4839712
UN transport number3263
Customs code29332990
Risk statements (R)34-22
Signal wordDanger
GHS pictogramGHS05
Hazard symbolsC
Safety statements (S)45-36/37/39-26
Hazard class8
Packing groupⅢ
GHS hazard statementsH314-H318
Limited quantities5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
GHS precautionary statementsP260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a

Applications & Uses

Uses

It is employed as a curing agent of epoxy resins. It is also widely used in the bonding, coating, capsulation of epoxy resins, or used for composite materials. It is also employed as medical raw material or used in organic synthesis.

2,4-Dimethylimidazole|Huagongshe