Description
Product Specifications:
Appearance:- Yellow powder
Solubility:- Freely soluble in N-methyl-2-pyrrolidone and in tetrahydrofuran: solble in chloroform; sparingly soluble in acetone in di-n-butyl adipate in dimethyl sulfoxide; and in polyelhylene glycol 400; slightly soluble in alcohol,in 1.3-butanediol in polyethylene glycol 200; very slightly soluble in 0.1 N Sodium hydroxide:- insoluble in water
Water :- NMT 1.0%.w/w
Residue on ignition :- NMT 1.0%.w/w
Heavy metal:- NMT 10ug per gram
Residual organic solvents:-NMT 0.2% of methanol or of acetic acid
Assay of c22h19CIO3:- 97.5%-101.5% on anhydrous & organic solvent free basis
Identification:-HPLC IR
