Optical Brightener Er-3 C. I. 199: 2 CAS 13001-40-6 For Plastic

Basic Info.Model NO.:CAS 13001-40-6Color:Light YellowAppearance:PowderOther Name:Plastic Whitening AgentSample:AvailableDelivery Date:Within 2 WeekValid Date:2 YearsTrademark:linebonPackage:Drum or PP BagSpecification:SGSOrigin:ChinaProduct DescriptionOptical BrightenerC.I.199:2  CAS:13001-40-6  CHEMICAL NAME: 1,4-Bis(2-cyano styryl)benzeneMOLECULAR FORMULA: C24H16N2MOLECULAR WEIGHT: 332.2 (As International relative Atom Mass 1997)EXCUTIVE STANDARD: Q/LQH008-2003SPECIFICATIONS:ItemIndicesAppearanceGreenish yellow powderPurity≥ 99.0 %Melting point230-232ºCGrain finess (> 4μm grain)≤ 3APPLICATIONS: Fluorescent Whitening Agent ER-330 is a diphenylethylene type compound, it is insoluble in water, but well soluble in most organic solvents. It is stable to cationic softening agent.I t can be used in the same bath with sodium hypochloride,hydrogen peroxide and reductional bleaching agent, it is very suitable for whitening and brightening polyester fiber, acetate fiber, polyvinlye, etc. Products can be remarkably upgraded by adding ER-330 liquid. It especially used in low temperature fixing absorption polyeaster whitening.Directions for usage and dosage: (sush as fixing absorption whitening)PROCESS:polyeaster - dipping - heating - heat kept - washing - drying - finished productsMaterial and mix ratil:Optical Brightener ER-330 0.3-1.5%  Na2SO3 (chemical grade)1.0%  Lavocal AFR 1.0%Acetic acid (98%) 0.55g/L      Bath ration:1:5-40    pH = 4-5Forming the whitening liquid as the above ration and diping polyeaster materlals, heating to 50ºC at the speed of 1-1.5ºC per minute, holding for 30 minutes, then cooled and washing with cool water, drying and modeling to obtain the products.PACKAGE: Packaged in plastic drum. Net weirht is 25 kg or 50 kg each.STORAGE: Should be stored in cool and dry place.