详细说明
Product Name: Methyl Paraben Bp/USP Cosmetics Grade Preservative Appearance: Crystal Color: White Crystal Certification: REACH Environmental Protection: Yes Formula: C8h8o3 CAS No.: 99-76-3 Transport Package: 25kg/Drum Specification: ASSAY: 99.0%--100.5% Origin: China Product Description SPECIFICATION ITEMSSTANDARDRESULTS1. AppearanceWhite PowderCONFORM2. Assay %98.0~102.099.273. Appearance of solutionPassed CONFORM4. Residue % ≤0.10.045.Acid(by 0.1 MNaOH solution)≤0.1 MLCONFORM6.M.B ºC125~128126.47. Related SubstancesPassedCONFORM8.Heavy metals≤10PPM2.09.Limit of Acid p-hidroxibenzoico≤0.1%0.0510.Organic volatile impurities≤0.05%Conform11.total impuritiesless than 0.1%Conform
