We supply following types of Methyl 4-hydroxybenzoate:
Q/SH008-1999, B.P1998, USP24
They all show the appearance of colorless crystal or white crystalline powder
Assay(in dry basis)%: 99.0, 99.0-100.5, 99.0-100.5
M.P.°C:125-128
Acidity:qualified
Sulphates(SO42-)%≤ 0.024
Drying Loss%≤ 0.50, 0.50, 0.50
Residue on ignition %≤ 0.10,0.1.0.1