Chemical Name: Methyl 4-hydroxybenzoate
Trade Name: Methyl paraben
Molecular Formula: C8H8O3
Molecular Weight: 152.15
Physical and Chemical Properties: This product is white crystalline. It is easily dissolved in alcohol, ether, acetone, and slightly dissolved in water. Its boiling point is 270-280º C.
Q/SH008-2000 B. P2000 USP29-NF24
Characters / Colorless crystals or white crystalline powder /
Purity (on dry base) % 99.0 99.0-100.5 99.0-100.5
Melting Point º C 125-128 125-128 125-128
Acidity qualified qualified qualified
Sulfate(SO42-) % ≤ 0.024 / /
Loss on Drying % ≤ 0.50 0.50 0.5
Residue % ≤ 0.10 0.10 0.1
P-Hydroxybenzoic Acid and Salicylic Acid % ≤ 0.10 / /
Related Substances / qualified /
Appearance of Solution / Clear /
Organic Volatile impurities / / qualified
Identification / / qualified
Usage: This product is mainly used as antiseptics in foodstuff, medicine and cosmetics. It can also be used in feed as antiseptics.
Package: It is packed with plastic bags. Each has 1 kg. A box holds 20 bags(paperboard box). It is also packed by hardboard drums within double PE linings. Each drum has net weight of 25kg or 50kg.