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Drug intermediates

IMIDAZOLE

Specification

CAS Number 288-32-1
Description It is a colorless solid that dissolves in water to give mildly alkaline solution.
Molecular Formula C3H4N2
Solubility Soluble in water, acetone, chloroform, pyridine, alcohol, ether. Slightly soluble in benzene. Very slightly soluble in petroleum ether.
Water by KF NMT 1%
Melting Range 87-92 °C
Chromatographic Impurity ( TLC) NMT 0.1 %
Sulphated Ash NMT 0.1%
Assay of C3H4N2 NLT 99 %

1-METHYL IMIDAZOLE

Specification

CAS Number 616-47-7
Description It is a colorless liquid that is used as a specialty solvent, a base, and as a precursor to some ionic liquids.
Molecular Formula C5H8N2
Molecular Weight 96.13
Solubility Solubility In Water And Alcohol.
Water by KF NMT 0.5%
Boiling Range 199-201 deg C
Chromatographic Impurity ( TLC) NMT 0.1 %
Sulphated Ash NMT 0.1%
Assay ofC5H8N2 99%
Form Liquid
bp 268 °C (lit.)
mp 78-81 °C (lit.)