Product Name: Optical Brightener Ern (C. I. 135) PF Model NO.: ERN Application: Post-Processing Auxiliary Appearance: Liquid Kind: Optical Brightener CAS No.: 12224-12-3 CAS No.: 12224-12-3(1041-00-5) C.I. No.: 135 Molecular Formula: C18h14n2o2 Molecular Weight: 290.32 Color: Gray Ion: Non-Ionic pH Value(10g/L): 6.0~8.0 Activeness Content: 20% Product Description [Ingredients]1.2 di(5-mythyl-benziazolyl)ethylene (C.I.135)[Synonyms]1,2-bis(5-methyl-2-benzoxazole)ethylene;2,2'-(1,2-ethenediyl)bis[5-methylbenzoxazole];C.I. 481520;fluorescent brightener 135;2,2'-vinylenebis[5-methylbenzoxazole];Fluorescent Whitener DT;1.2 DI(5-MYTHYL-BENZIAZOLYL)ETHYLENE;Fluorescent brightener 135,2,2'-(1,2-Ethenediyl)bis[5-methylbenzoxazole];Fluorescent Brightener 135;Fluorescent Brightener PF[Main Information]CAS No.:12224-12-3(1041-00-5)C.I. No.:135Molecular Formula:C18H14N2O2Molecular Weight:290.32[Properties] ² Appearance:gray lightly liquid² Ion:non-ionic² PH value(10g/l):6.0~8.0² Activeness content: 20±1%[Characteristics]² Excellent fastness to sublimation.² Good purity white shade.² Good whiteness in polyester fiber or fabric.[Application]Suitable in the polyester fiber ,as well the raw material of making paste form brightening agent in textile dyeing..[Method of use]² Padding processDosage:PF 3~7g/l for pad dyeing process, procedure: one dip one pad( or two dips two pads, pick-up: 70%) →drying→ stentering(170~190ºC30~60seconds).² Dipping processPF:0.3~0.7%(o.w.f)liquor ratio:1:10-30optimum temperature: 100 or 120ºCoptimum time :30-60minPH value:5-11(opt acidity)² For getting the optimum effect for application,please try on suitablecondition with your equipments and choose the suitable technique.² Please try for compatibility,if using with other auxiliaries.[Transport,storage and packing]² 25KG plastic drum, and package as customer request² The product is non-hazardous, chemical properties stability,be used in any mode of transport.² At room temperature, storage for one year.[important hint]The above information and the conclusion obtained is based on our current knowledge and experience, users should be according to the practical application of different conditions and occasions to determine the optimal dosage and process.