| ≥1 piece |
Ethyl p-Hydroxybenzoate
Ethyl p-Hydroxybenzoate
Chemical Name: ethyl p-hydroxybenzoate
| Structural Formula |
Trade Name: ethyl paraben
Molecular Formula:C 9 H 10 O 3
Molecular Weight:166.18
CAS # :120-47-8
Physical and Chemical Properties: It is white crystalline and tastes slightly bitter and astringent. It is easily dissolved in alcohol, ether, and acetone, but not dissolved in water. Its boiling point is 297-298°C.
Quality Specification
| Item | Specification | ||
| GB 8850-2005 | B.P 2000 | USP29-NF24 | |
| Characters | / | Colorless crystals or white crystalline powder | / |
| Purity (on dry base) % ≥ | 99.0-100.5 | 99.0-100.5 | 98.0-102.0 |
| Melting Point °C | 115-118 | 115-118 | 115-118 |
| Acidity | / | qualified | qualified |
| Sulfate(SO 4 2- ) % ≤ | 0.024 | / | / |
| Heavy Metal (Pb) % ≤ | 0.001 | / | / |
| Heavy Metal(AS) % ≤ | 0.0001 | / | / |
| Loss on Drying % ≤ | 0.50 | / | 0.50 |
| Residue % ≤ | 0.05 | 0.1 | 0.01 |
| p-Hydroxybenzoic Acid and salicylic acid ≤ | 0.55 | / | / |
| Appearance of Solution | / | qualified | / |
| Identification | / | qualified | / |
| Related Substances | / | / | qualified |
| Organic Volatile impurities | / | / | 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 50 kg.
| Place of Origin: Shaanxi China (Mainland) | Type: Other | Brand Name: TOP |