1-Methylimidazolium hydrogen sulphate, 95%

About 1-Methylimidazolium hydrogen sulphate, 95%

1-Methylimidazolium hydrogen sulphate is an ionic liquid carrying the CAS registry number 681281-87-8 at a purity of 95%. Formula C4H8N2O4S, molecular weight 180.19 g/mol. Its systematic (IUPAC) name is 1-methylimidazole. Sulfuric acid. Common synonyms include 1-Methylimidazole hydrogen sulfate and 1-Methylimidazolium hydrogen sulfate.

The material typically appears as a faint yellow solid. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Key uses span green reaction media, electrochemistry, extraction and separation and catalysis. Buyers come mainly from academic and industrial research and batteries and energy storage.

We offer 1-Methylimidazolium hydrogen sulphate in 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Green reaction media
Electrochemistry
Extraction & separation
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Methylimidazolium hydrogen sulphate, 95%
Catalogue No.	VQ-001557
CAS Number	681281-87-8
IUPAC name	1-methylimidazole;sulfuric acid
Molecular formula	C₄H₈N₂O₄S
Molecular weight	180.19 g/mol
Exact mass	180.0205
Purity / assay	95%
HSN code	29221990
InChIKey	TVEOIQKGZSIMNG-UHFFFAOYSA-N
SMILES	CN1C=CN=C1.OS(=O)(=O)O
PubChem CID	12000533

Physical properties
Physical form	Solid
Appearance	Faint yellow solid
H-bond donors / acceptors	2 / 5
TPSA	101 Å²
Synonyms	1-Methylimidazole hydrogen sulfate, 1-Methylimidazolium hydrogen sulfate, 1-Methyl-1H-imidazole sulfate, 1-Methylimidazolium hydrogen sulfate, 95%, 1-Methylimidazolehydrogensulfate, 1-methylimidazolium hydrogensulfate, 1-methyl-1H-imidazole, sulfuric acid, 1-Methylimidazolium Hydrogen Sulfate Quality

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1-Methylimidazolium hydrogen sulphate, 95%?

The CAS Registry Number of 1-Methylimidazolium hydrogen sulphate, 95% is 681281-87-8. It is also known as 1-Methylimidazole hydrogen sulfate, 1-Methylimidazolium hydrogen sulfate, 1-Methyl-1H-imidazole sulfate.

What is the molecular formula and molecular weight of 1-Methylimidazolium hydrogen sulphate, 95%?

1-Methylimidazolium hydrogen sulphate, 95% has the molecular formula C4H8N2O4S and a molecular weight of 180.19 g/mol.

Which grade and pack sizes of 1-Methylimidazolium hydrogen sulphate, 95% can I order?

We supply 1-Methylimidazolium hydrogen sulphate, 95% in (95%) grade, in 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Methylimidazolium hydrogen sulphate, 95%?

Yes. Every lot of 1-Methylimidazolium hydrogen sulphate, 95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1-Methylimidazolium hydrogen sulphate, 95% be shipped internationally?

Yes. 1-Methylimidazolium hydrogen sulphate, 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.