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1-Ethyl-3-methylimidazolium methanesulfonate

BGC Id:872416407762
CAS No:145022-45-3
Synonyms:basionic(tm) st 35 ; basionic(r) st 35 ; 1-ethyl-3-methylmidazolium methanesulfonate ; emim ch3so3 ; 1-ethyl-3-methyl imidazoliummethanesulfonate,producedbybasf,>=95% ; 3-ethyl-1-methylimidazolium methanesulfonate ; 1-ethyl-3-methylimidazolium methanesulfonate ; basionics st 35 ; 1-ethyl-3-methylimidazolium methanesulfonate, 98.0+%(n) ; [c2mim]ms
Molecular Formula:C7H14N2O3S
Molecular Weight:206.26
EINECS:
Structural Formula

Verified providers in 2026

The following 10 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C7H14N2O3S Molecular Weight: 206.26 Hazard Symbols: C,Xi UN Number: UN 3265 8/PG 2 WGKGermany: 2 PackingGroup: III HS Code: 29332900

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:
basionic(tm) st 35 ; basionic(r) st 35 ; 1-ethyl-3-methylmidazolium methanesulfonate ; emim ch3so3 ; 1-ethyl-3-methyl imidazoliummethanesulfonate,producedbybasf,>=95% ; 3-ethyl-1-methylimidazolium methanesulfonate ; 1-ethyl-3-methylimidazolium methanesulfonate ; basionics st 35 ; 1-ethyl-3-methylimidazolium methanesulfonate, 98.0+%(n) ; [c2mim]ms
CAS:
145022-45-3
EINECS:
Molecular Formula:
C7H14N2O3S
MDL:
MFCD06798171
SMILES:
CCOC(=O)C(C=O)Cl

Properties

Molecular Weight:
206.26 g·mol−1
Density:
1.247
Melting point:
35 °C
Flash point:
67 °C
download Download Molfile

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AK Scientific, Inc.

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Safety Information

Hazard Classes:
8
Risk Codes:
22-34-52/53-43 (R)
Safety Codes:
26-36/37/39-45-61-36/37 (S)
WGK Germany:
2
RID / ADR:
UN 3265 8 / PG 2





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