4-Hydroxybenzoic acid, methyl ester
Benzoic acid, 4-hydroxy-, methyl ester
Molecular Formula & Molecular Weight
Molecular Formula: C8H8O3
Molecular Weight: 152.15
Appearance: white crystal powder.
Solubility: soluble in water; 25℃, 2.5g/L.
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity: rat subcutaneous LD50: >500mg/Kg;
rabbit oral LD50: 6000mg/Kg;
guinea pig oral LD50: 3000mg/Kg;
mouse oral LD50: >8000mg/Kg;
mouse subcutaneous LD50: 1200mg/Kg;
mouse intraperitoneal LD50: 960mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Characteristics: excellent antimicrobial, antibacterial, preservative abilities. homologues, weakest bactericidal capacity.
Quality standards & test methods
physical and chemical indexes
actives*, %, ≥
*: should be marked on molecular weight.
Use as bactericide, preservative. eg: food, personal care products, medicine.