Propyl paraben USP/NF Propylparaben is widely used as an antimicrobial preservative in cosmetics, food products, and pharmaceutical formulations.
USPâ??NF is a combination of two compendia, the United States Pharmacopeia (USP) and the National Formulary (NF).
Sales Specification
Appearance: White Crystalline Powder
Assay: 98.0% â?? 102.0%
IR Identification: Positive
Melting Point: 96oC â?? 99oC
Color of Solution: Clear
Residue on Ignition: 0.1% Max
Organic Impurities: 0.5% Max
Total Impurities: 1.0% Max
Residual Solvents: n-Propanol 3000 PPM Max
Packing
55.12 LB bag/ 20 bags per pallet
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