Zhejiang Shengxiao Chemicals Co.,Ltd

Item No. #: SX2004
Chemical name: propyl P-hydroxybenzoate
Product Name: Nipagin propyl ester
Molecular formula: C10h12o3
Molecular Weight: 180.20
Cas#:94-13-3
Physicochemical properties: White crystalline, soluble in alcohols and ether, almost insoluble in water, relative density (d4102) 1.0630, refractive index (nD102) 1.5050.
Product quality standard: Q/sh 024-2016BPUSP
Appearance: Colorless crystal or white crystalline powder
Content (with dry base)%≥99.0-100.5
Melting ℃:95-98
Acidity: Qualified
Sulfate (so42-)%≤0.024
Heavy Metal (Pb)%≤0.001
Arsenic (AS)%≤0.0001
Dry weightlessness%≤0.50
Burning Residue%≤0.05
%≤0.55 of free acid (P-hydroxybenzoate) by mass fraction
Qualification Test: Qualified
Related substances: qualified
Solution appearance: Clear and transparent
Organic volatile Impurities: qualified
Usage: This product is mainly used as antiseptic preservative for cosmetics and medicine, and can be used in feed preservative.
Packaging: Plastic bags, each bag 1kg,20 bag for one carton (carton), or inside plastic cardboard drums, net weight of 25kg or 50kg per barrel. * Special requirements may be discussed separately