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The role of anti-corrosion in cosmetics

Methyl Paraben is internationally recognized as broad-spectrum efficient food preservatives, is widely used in soy sauce, vinegar and other spices, pickled products, baking food, sauce products, beverage, wine and fruit and vegetable preservation, etc, inhibiting microbial growth and reproduction, prolong food to save time, prevent rotting matter.

Methyl paraben CAS 99-76-3, also methylparaben, one of the parabens, is a preservative with the chemical formula CH3(C6H4(OH)COO). It is the methyl ester of p-hydroxybenzoic acid. It exists in white crystalline powder, soluble in water (2.5 g/l) at 25° C, benzene (slightly soluble), carbon tetrachloride (slightly soluble), ethanol, ether, acetone, DMSO, methanol, warm oil (25 g/l), and warm glycerol (1 g/70 ml).

Specification

Appearance                             White crystalline Powder
Assay (on dry base ) %             99.0-100.5
Melting Point ºC                       125-128
Residue on Ignition %              ≤0.1 
Sulphated Ash %                     ≤0.05 
PH value                                  5.0-6.0 
Related Substances                  ≤0.5 
Heavy Metal (Pb) ppm              ≤2.0
Loss on Drying %                     ≤0.5

Application

Methylparaben is an anti-fungal agent often used in a variety of cosmetics and personal-care products. 

Methylparaben is also used as a food preservative and has the E number E218.
Methylparaben is commonly used as a fungicide in Drosophila food media.

Packing

25kg/fiber drum with double PE bags inside, or as per customer request