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1-Ethyl-3-methylimidazolium bromide

CAS No.
65039-08-9
Chemical Name:
1-Ethyl-3-methylimidazolium bromide
Synonyms
EMIMBr;SKL1345;SKL1486;1-Ethyl-3-methylimidazole bromide;1-ETHYL-3-METHYLIMIDAZOLIUM BROMIDE;1-Ethyl-3-methylimidazoliumBromide>1,3-dimethyl-1H-imidazol-3-ium bromide;1-Ethyl-3-methylimidazolium bromide dry;1-Ethyl-3-methyl-imidazol-3-ium bromide;1-Ethyl-3-methylimidazolium bromide, 98+%
CBNumber:
CB1147830
Molecular Formula:
C6H11BrN2
Molecular Weight:
191.07
MDL Number:
MFCD03427610
MOL File:
65039-08-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-07-30 17:03:33

1-Ethyl-3-methylimidazolium bromide Properties

Melting point 70-73°C
storage temp. Store below +30°C.
form Crystals, Crystalline Powder or Chunks
color Pale yellow to yellow
PH 7 (H2O, 20℃)
Water Solubility Soluble in water, dichloromethane, ethanol, acetonitrile. Insoluble in ethyl acetate, ether, and alkane.
BRN 5162084
InChI InChI=1S/C6H11N2.BrH/c1-3-8-5-4-7(2)6-8;/h4-6H,3H2,1-2H3;1H/q+1;/p-1
InChIKey GWQYPLXGJIXMMV-UHFFFAOYSA-M
SMILES N1(CC)C=C[N+](C)=C1.[Br-]
CAS DataBase Reference 65039-08-9(CAS DataBase Reference)
FDA UNII XO254YE73I
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-22
Safety Statements  26-37/39
WGK Germany  3
HS Code  29332900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
NFPA 704
1
2 1

1-Ethyl-3-methylimidazolium bromide price More Price(43)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 89483 1-Ethyl-3-methylimidazolium bromide ≥97.0% (T) 65039-08-9 5G $61.3 2026-04-30 Buy
Sigma-Aldrich 89483 1-Ethyl-3-methylimidazolium bromide ≥97.0% (T) 65039-08-9 50g $256 2026-04-30 Buy
Sigma-Aldrich 03938 1-Ethyl-3-methylimidazolium bromide dry, ≥98.5% (HPLC/T) 65039-08-9 5g $257 2023-06-20 Buy
Sigma-Aldrich 03938 1-Ethyl-3-methylimidazolium bromide dry, ≥98.5% (HPLC/T) 65039-08-9 25g $490 2023-06-20 Buy
TCI Chemical E0543 1-Ethyl-3-methylimidazolium Bromide >98.0%(T) 65039-08-9 5g $32 2026-04-30 Buy
Product number Packaging Price Buy
89483 5G $61.3 Buy
89483 50g $256 Buy
03938 5g $257 Buy
03938 25g $490 Buy
E0543 5g $32 Buy

1-Ethyl-3-methylimidazolium bromide Chemical Properties, Uses, Production

Chemical Properties

pale yellow to yellow crystals, crystalline powder

Uses

An ionic liquid, 1-ethyl-3-methylimidazolium bromide is used as reaction medium for the synthesis and crystallization of a coordination polymer, (EMI)[Cd(BTC)]. 1-ethyl-3-methylimidazolium bromide was used as a solvent in [emim] 2 [Cd 2 (btec)Br 2 ]. Form the diene complexation; carbonyl insertion; cycloaddition; reduction and deoxygenation.

Synthesis

1-Methylimidazole

616-47-7

Bromoethane

74-96-4

1-Ethyl-3-methylimidazolium bromide

65039-08-9

All ligands (except #3) were synthesized with reference to the modified Starikova et al. method [20]. Typical generic synthesis steps are given below with spectral and analytical data. N-monosubstituted imidazole (0.1 mmol) and anhydrous toluene were added to a two-necked flask and stirred until a homogeneous solution was formed; followed by the slow dropwise addition of ethyl bromide (0.3 mmol) under continuous stirring. After the dropwise addition, the reaction mixture was heated with stirring at 40 °C for 24 hours. After completion of the reaction, the solvent was removed under reduced pressure and the resulting product was dried under vacuum to give the target ligand.2.2.2 1-Ethyl-3-methylimidazolium bromide (2) was a white solid with a yield of 4.70 g (98% yield).IR (ATR, cm1): 3065, 2975, 1670, 1571, 1467, 1172, 1101, 856, 789, 649, 621, 417. 649, 621, 417; 1H NMR (400 MHz, CDCl3): δ 1.47 (3H, t, J = 7.3 Hz, CH3), 3.97 (3H, s, NCH3), 4.32 (2H, q, NCH2), 7.54 (2H, s, NCH), 10.07 (1H, s, CH); 13C NMR (100 MHz, CDCl3): δ 15.64 (CH3), 36.63 (NCH3), 45.18 (NCH2), 122.01 (NCH), 123.71 (NCH), 136.73 (NCH). Mass spectrum (ESI): m/z 111.5 (M+Br). High-resolution mass spectrum (ESI): calculated value C6H11BrN2 (M+Br) 111.09222, measured value 111.09196.

References

[1] Angewandte Chemie - International Edition, 2012, vol. 51, # 46, p. 11483 - 11486
[2] Angew. Chem., 2012, vol. 124, # 46, p. 11650 - 11654,5
[3] Organic and Biomolecular Chemistry, 2013, vol. 11, # 15, p. 2534 - 2542
[4] Journal of Chemical and Engineering Data, 2004, vol. 49, # 4, p. 760 - 764
[5] Patent: WO2006/63656, 2006, A1. Location in patent: Page/Page column 32

143314-17-4
106-93-4
111-55-7
65039-08-9
Synthesis of 1-Ethyl-3-methylimidazolium bromide from 1-Ethyl-3-methylimidazolium acetate and 1,2-Dibromoethane
Global Suppliers ( 406)
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View Latest Price from 1-Ethyl-3-methylimidazolium bromide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-Ethyl-3-methylimidazolium bromide pictures 2026-09-18 1-Ethyl-3-methylimidazolium bromide
65039-08-9
1kg/bag ≥98% 50 T/Month Hebei Qujie Technology Co., Ltd.
1-ethyl-3-methylimidazolium bromide pictures 2026-09-18 1-ethyl-3-methylimidazolium bromide
65039-08-9
$120.00 1kg 0.98 100kg Shanghai UCHEM Inc.
1-Ethyl-3-methylimidazolium bromide pictures 2026-09-18 1-Ethyl-3-methylimidazolium bromide
65039-08-9
1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD

1-Ethyl-3-methylimidazolium bromide Spectrum

1-Ethyl-3-methylimidazolium bromide, 98+% 1-Ethyl-3-MethyliMidazoliuM broMide, 98% 5GR 1-ethyl-3-Methyl-1H-iMidazol-3-iuM broMide 3-Ethyl-1-Methyl-1H-iMidazol-3-iuM broMide 1-Ethyl-3-methylimidazolium bromide dry, >=98.5% (HPLC/T) 1-ETHYL-3-METHYLIMIDAZOLIUM BROMIDE 1-Ethyl-3-methylimidazolium bromide≥ 98.5%(HPLC) 1-Ethyl-3-methylimidazolium bromide dry 1-Ethyl-3-methylimidazolium bromide in stock Factory 1-Ethyl-3-methylimidazoliumBromide> SKL1345 SKL1486 1,3-dimethyl-1H-imidazol-3-ium bromide 1-Ethyl-3-methylimidazolium bromide [EMIm]Br 1-Ethyl-3-methyl-imidazol-3-ium bromide 1-Ethyl-3-methylimidazole bromide EMIMBr 65039-08-9 65039-09-8 C6H11N2Br C6H11BrN2 Imidazolium Ionic Liquids Imidazolium Compounds Imidazolium Salts (Ionic Liquids) Chemical Synthesis Imidazolium Ionic Liquids Imidazolium Compounds Imidazolium Salts (Ionic Liquids) Ionic Liquids Synthetic Organic Chemistry