Chemical Name:propyl p-hydroxybenzoate
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Structural Formula |
Trade Name: propyl paraben
Molecular Formula:C10H12O3
Molecular Weight:180.20
CAS#:94-13-3
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 8851-1998 |
USP 24-NF19 |
BP 98 |
Characters |
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Colorless crystals or white crystalline powder |
Purity
(on dry base) % >= |
99.0 |
99.0-100.5 |
99.0-100.5 |
Melting Point °C |
95-98 |
95-98 |
95-98 |
Acidity |
qualified |
qualified |
qualified |
Sulfate(SO42-) % <= |
0.024 |
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/ |
Heavy Metal(Pb) % <= |
0.001 |
/ |
/ |
Heavy Metal(AS) % <= |
0.0001 |
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Loss on Drying % <= |
0.50 |
0.50 |
0.50 |
Residue % <= |
0.05 |
0.05 |
0.10 |
p-Hydroxybenzoic Acid and Salicylic Acid <= |
qualified |
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Appearance of Solution |
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/ |
Clear |
Identification |
/ |
qualified |
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Organic Volatile impurities |
/ |
qualified |
/ |
Related Substances |
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/ |
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.
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