Propyl paraben
Physical and Chemical Properties: It is white crystalline and easily dissolved in alcohol and ether, but not dissolved in water. Its rlative density (d4102) is 1.0630 and index of refraction is (nD102) 1.5050.
Quality Specification
Item | Specification | ||
GB 8851-2005 | USP 29-NF24 | BP 2000 | |
Characters | / | / | Colorless crystals or white crystalline powder |
Purity | 99.0 | 98.0-102.0 | 99.0-100.5 |
Melting Point ℃ | 95-98 | 96-99 | 96-99 |
Acidity | qualified | qualified | qualified |
Sulfate(SO42-) % ≤ | 0.024 | / | / |
Heavy Metal(Pb) % ≤ | 0.001 | / | / |
Heavy Metal(AS) % ≤ | 0.0001 | / | / |
Loss on Drying % ≤ | 0.50 | 0.50 | / |
Residue % ≤ | 0.05 | 0.01 | 0.10 |
p-Hydroxybenzoic Acid and Salicylic Acid ≤ | qualified | / | / |
Appearance of Solution | / | / | Clear |
Identification | / | qualified | / |
Organic Volatile impurities | / | qualified | / |
Related Substances | / | / | qualified |
Usage: This product is mainly used as antiseptics for foodstuff, medicine and cosmetics. It is also used in feed as antiseptics.
Package: It is packed with plastic bags. Each has 1kg. 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.
