|Purity (in dry basis), ％||98-102|
|Melting point, ℃||96～99|
|Loss on drying, %||≤0.5|
|Residue on ignition, %||≤0.1|
|Acidity||up to standard|
|4-Hydroxybenzoic acid and salicylic acid||up to standard|
|Solubility||easily soluble in alcohol, ether and acetone, lightly soluble in water|
The product is mainly used as preservative for organic synthesis, drugs, cosmetics, and feeds.
25kg/fiber drum,plastic bag,or on demand
Should be preserved in cool and dry place sealed. shelf life is 36 months.