Butylated hydroxyanisole Excipient Grade 5KG Go Back

CASR

: 25013-16-5

Molecular Formula

: C11H16O2

Molecular Weight

: 180.25
Specifications  
Characters: A white or slightly yellow or yellowish or slightly pinkish, waxy solid or crystalline powder having faint characteristic.
Solubility: Practically insoluble in water, very soll in methylene chloride, freely sol in alcohol, in propylene glycol, chloroform, ether and in fatty oils. it dissolves in dilute solution of alkali hydroxides.
Identification A by TLC test: To comply the test
Identification B by Chemical test: To comply the test
Identification,(C)By Chemical test: To comply the test
Identification by Chemical test: To comply the test
Identification by HPLC chromatogram: The retention times of 3-tert-butyl-4-hydroxyanisole and 2-tert-butyl-4-hydroxyanisole from the sample solution correspond to those from the standard solution, as obtained in the assay.
Appearance of solution: 10% solution in alcohol is clear and not more intensely coloured than intensity 5 of the range of refrence solution of the most appropriate colour.
Related substances By TLC (3-(1,1-Dimethylethyl)-4-methoxyphenol): 10% max.
Related substances By TLC (Hydroquinone): 0.2% max.
Related substances By TLC (Any other impurity): 0.5% max.
Heavy metals: 10ppm max
Residue on ignition: Not more than 0.01%
Assay: Not less than 98.5%
Methanol as residual solvent: 0.3% max
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