Chemical Name: methyl 4-hydroxybenzoate
Product Name: methyl paraben
Physical and Chemical Properties: This product is white crystalline. It is easily dissolved in alcohol, ether, acetone, and slightly dissolved in water. Its boiling point is 270-280°C.
Specifications
ITEM | STANDARD |
Appearance | White crystalline powder |
Assay (on dry base) | 99.0 – 100.5% |
Melting point | 125-128℃ |
Acidity | Passed |
Residue on ignition | ≤0.1% |
Sulphated Ash | ≤0.05% |
Color of solution | Passed |
PH value | 5.0-6.0 |
Appearance of solution | Passed |
Related substances | ≤0.5% |
Heavy metal (Pb) | ≤10 ppm |
Residual solvents ppm | ≤3000 |
Loss on drying | ≤0.5% |
Microbiological contamination | <100 |
Usage: Sodium methyl paraben is widely used in Pharmacy industry(Chinese herbal medicine/patent drug; medical instruments sterilization); Food industry(dairy products, pickles, beverage, fruit juice/jelly, confectionery); textile industry (dry goods, cotton yarn, chemical fibers), as well as antiseptics in cosmetics, feedstuffs, daily-chemicals.
Package: It is packed with plastic bags. Each has 1 kg. 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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