1-Methylimidazolium hydrogen sulfate

ALDRICH/59760 - 95%

Synonym: 1-Methylimidazole hydrogen sulfate

CAS Number: 681281-87-8
Empirical Formula (Hill Notation): C₄H₆N₂ · H₂SO₄
Molecular Weight: 180.18
MDL Number: MFCD06798198
Linear Formula: C₄H₆N₂ · H₂SO₄
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-59760-100G-F	100 g	$290.00 1/EA		Add To Favorites
45-59760-1KG-F	1 kg	$1810.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤20 mg/kg
assay	≥94.5% (HPLC)
	95%
form	solid
impurities	≤1% water
InChI	1S/C4H6N2.H2O4S/c1-6-3-2-5-4-6;1-5(2,3)4/h2-4H,1H3;(H2,1,2,3,4)
InChI key	TVEOIQKGZSIMNG-UHFFFAOYSA-N
Quality Level	200
SMILES string	OS(O)(=O)=O.Cn1ccnc1

Application:	1-Methylimidazolium hydrogen sulfate is a Brønsted acidic ionic liquid that can be used: • As a component of a catalytic system along with chlorotrimethylsilane used in the preparation of 3,4-dihydropyrimidin-2(1H)-ones and hydroquinazoline-2,5-diones. • As a catalyst in the preparation of biologically important 2,5-dimethyl-N-substituted pyrroles. • As a reusable catalyst in the preparation of spiro[indoline-3′,2-quinazoline]2′,4(3H)-dione. • In the leaching of copper and zinc in brass dross using H₂O₂ as an oxidant.
Packaging:	1 kg in glass bottle
Packaging:	100 g in glass bottle

Symbol	GHS05
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280 - P305 + P351 + P338 - P310
Hazard Codes	C
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 3261 8 / PGII
WGK Germany	WGK 3
Flash Point(F)	> 536.0 °F
Flash Point(C)	> 280 °C

Purity	≥94.5% (HPLC); 95%
UNSPSC	12352100

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