China Propyl Paraben Preservatives Cosmetics Preservatives

CAS No.: 94-13-3
MF: C10H12O3
EINECS No.: 202-307-7
Place of Origin: China (Mainland)
Grade Standard: Food Grade, Medicine Grade
Packaging Details:25kg/drum
Physicochemical property:white crystalline powder, soluble in alcohol, ether and acetone, it is difficult to dissolve in water.
propyl paraben than methyl paraben anticorrosive effect is good,
Product NamePropyl paraben Quantity2800kgsAppearanceColourless crystals or white crystallinepowder/smallcolorless crystals or white powderSolubilityFreely soluble in ethanol (96%), in alcohol, in etherand in methanol; slightly soluble in boiling water.IdentificationMeltinq Point, °C96°C-99°CIRPassTLCExamine the chromatograms obtained in the test for related substances. The principie spot in the chromatogram obtained with test solution (b) is similar in position and size to the principie spot In thechromatogram obtained with reference solution (b)Colour testPassAppearance of soiution/Colourof solutionSolution S is clear and Not more intensely coloured than reference solution BY6/not more intenselycolored than matching fluid CAcídityNot more than 0.1 ml of 0.1M NaOH Solutionreauired to chance colour.Related substances by HPLCImpurity A : NMT 0.5 %. Unspecified impurity : NMT0.5%
Total impurity : NMT1.0%Sulphated Ash/Residue on ignition≤0.1%Assay by HPLC (as C 8H803 )98.0 % - 102.0 %.
The role of anti-corrosion in cosmetics:
In the process of the use and production of cosmetics, could be affected by different degree of microbial contamination, the role of preservatives mainly inhibit microbial growth and reproduction, extend the shelf life of products, to ensure that during the shelf life and use not bad because of pollution.In food preservative effect:
propyl parabenis internationally recognized as broad-spectrum efficient food preservatives,is widely used in soy sauce, vinegar and other spices, pickled products, bakingUniversal Hardware Parts food, sauce products, beveragePaper Machinery , wine and fruit and vegetable preservation, etc,
Inhibiting microbial growth and reproduction, prolong food to save time, prevent rotting matter.

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