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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 7204875Generated: October 26, 2026

4-Bromo-1,2-dimethyl-1H-imidazole

4-Bromo-1,2-dimethylimidazole · 4-Bromo-1,2-dimethyl-1H-imidazole · 1H-IMidazole,4-broMo-1,2-diMethyl- · QUINO4-BROMO-1,2-DIMETHYL-1H-IMIDAZOLE

https://huagongshe.com/en/chemical/7204875

4-Bromo-1,2-dimethyl-1H-imidazole molecular structure

Identifiers & Physical Properties

CAS No.850429-59-3
Molecular formulaC5H7BrN2
Average molar mass175.03 g/mol
Monoisotopic mass173.97926 g/mol
SMILESCc1nc(Br)cn1C
InChIKeyFZRKTLGQQTWOMJ-UHFFFAOYSA-N
PubChem CID7204875
EC No.691-828-7
DTXSIDDTXSID10428397

Chemical & Physical Properties

XLogP0.6
Topological polar surface area17.8
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms8
Formal charge0
Complexity86
Melting point40-44
Boiling point266.6±13.0℃ (760 Torr)
Density1.58±0.1 g/cm3 (20 ºC 760 Torr)
Flash point115.0±19.8℃
Storage conditions2-8°C
pKa (acidity coefficient)4.96±0.60(Predicted)
Physical statesolid
ColorLight Brown
InChI1S/C5H7BrN2/c1-4-7-5(6)3-8(4)2/h3H,1-2H3
InChIKeyFZRKTLGQQTWOMJ-UHFFFAOYSA-N
SMILESCc1nc(Br)cn1C
UNSPSC Code12352200
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P271-P280
Hazard symbolsXi,Xn
Risk statements (R)22
Water hazard class (WGK)WGK 3
Hazard NoteIrritant
Customs code2933299090
Storage class6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
Hazard classAcute Tox. 3 Oral

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 3 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
Water hazard class (WGK)WGK 3
Customs code2933299090
Risk statements (R)22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi,Xn
hazard_noteIrritant
Storage class6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
GHS hazard statementsH315-H319-H335
Hazard classAcute Tox. 3 Oral
GHS precautionary statementsP261-P271-P280