Hebei Yanxi Chemical Co., Ltd.  

Product Name: Factory Supply 99%Min of Mehq/4-Methoxyphenol in Pharmaceutical Intermediates CAS 150-76-5 Model NO.: YX-011 Aether: Methyl Ether EINECS: 205-769-8 Formula: C7h8o2 CAS No.: 150-76-5 Melting Point: 54 Application: Pharm Intermediates, Skin Whitening Trademark: YANXI Transport Package: Cardboard Barrels Specification: 25kg Origin: Hebei, China HS Code: 2909500000 Product Description Basic information4-Methoxyphenol Chemical PropertiesMelting point 56 °CBoiling point 243 °C(lit.)density 1,55 g/cm3vapor density 4.3 (vs air)vapor pressure <0.01 mm Hg ( 20 °C)ItemSpecificationsResultsAppearanceWhiteflakeConformsAssay≥99.5%99.84%Meltingpoint54.0~56.5ºC55.2~55.8Hydroquinone≤0.01%≤0.01%Lossondrying≤0.3%0.22%Residueafterignition(%)≤0.01%0.006%Heavymetals(%)≤0.001%0.0008%ColorNo.(APHA)≤No.10NO.10HQtwomethylether%≤0.050.04ConclusionTheresultsconformswithenterprisestandardsApplicationThis product is mainly used for the production and storage of the inhibitor of vinyl monomers,such as acrylonitrile, acrylic acid and ester, methyl acrylic acid and ester. Its best advantage lies on that the monomer can participate in the polymerization without removing the MEHQ in it. It can be also used for the synthesis of anti-aging agent, plasticizer and food antioxidant.