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 Fastener & Fitting reference solution BY6/not more intenselycolored than matching fluid CAcídityNot more than 0.1 ml of 0Casting & Forging .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 recognizeTools & Hardware Stocks d 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.

1:We have 20 years of experience in exporting products, strong market response capabilities and a wide range of trading partners.2:We have a variety of certified factories to produce high quality products.3:We offer full link hosted services from production to delivery.4:We provide testing services prior to shipment of the product.5: We will cultivate customers in every country market, let customers develop quickly with us, and win-win cooperation.6:Stable supply, delivery on time, quality assurance
Question 1:Can you supply free samples ?
Answer:Because so many free sample orders everyday to us, sorry, we need to supply sample with charge, but sample charge can be deducted from future orders.Hope you can understand.Question 2: How to assure your delivery same good quality as sample?
Answer: We just take sample from mass production. So same production line,same quality. Even we can supply you preshipment batch sample approval.Question3. How to assure our delivery and quality after prepayment? If there is a dispute about quality etc, how to sOptical Fiber, Cable & Wire olve the problem?
Answer: We are committed to ingredient industry for nearly 20 years. Our products sold popular to European, american, russia and asian market.
The most important is pls book order directly in Alibaba order.You can get extra Ali trade assurance. Our current assurance limit is USD104000 and will still up in future.
We welcome use Trade Assurance, you'll enjoy:
100% product quality protection
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100% payment protection for your covered amountQuestion 4:What kind of payment do you prefer?Connector & Terminals
Answer: We can accept TT, DP,LC,Westunion etc.
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Term
T/T30%T/Tinadvance,paidthebalancebeforeshipmentCFR(C&F)30%T/Tinadvance,paidthebalanceagainstcopyofB/LCIFL/CL/Camountabove20,000usd,wecanacceptL/Cat
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