1. Parabens are internationally recognized as efficient broad-spectrum preservative. No allergy and irritation to eye,
skin, mucous membrane,. Its mechanism of action: destroy microbial cell membranes, intracellular protein
denaturation and inhibit microbial cell respiration enzymes and electron transfer enzyme activity.
2. Paraben mainly antibacterial activity of molecular functions, and the molecule is esterified hydroxyl groups,
noionization, so that it has a good antibacterial effect in the pH3.0 ~ 8.0.
3. Its having a phenolic hydroxyl structure, so anti-bacterial performance than benzoic acid, sorbic acid. Good
compatible with most cosmetic ingredients. Usually several paraben compound used in order to achieve a better
effect.
Items | Methyl paraben | Ethyl paraben | Propyl paraben | Butyl paraben | Iso- Butyl paraben |
Appearance | Colorless crystals or whie crystalline powder |
Odor | Slight special aroma |
Content,% | 98.0-102.0 | 98.0-102.0 | 98.0-102.0 | 98.0-102.0 | 99.0 wt Min |
Melting point ,℃ | 125.0-128.0 | 115.0-118.0 | 95.0-98.0 | 68.0-71.0 | 75.0-77.0 |
Sulphated ash,% | 0.1Max | 0.1Max | 0.1Max | 0.1Max | 0.1Max |
1. A widely used in all kinds of creams, shampoos and other personal care products, cleaning products and
medicines.
2. Not only in the pharmaceutical industry as an antiseptic agent, but also used in organic synthesis ,food, spices,
film ,etc.
3. In the food industry , used in soy sauce, vinegar, spices, pickles, baked goods, sauces, beverages, wine, and
fresh fruits & vegetables,etc.
25 Kgs /cardboard drum with double PE inner bag.
Stored in dry and cool place, kept away from sunshine and rain.