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      1. Optical Brightening Agent OB-1 (CI.393) Fluorescent Whitening Agent CAS 1533-45-5

        • Price:

          Negotiable

        • minimum:

        • Total supply:

        • Delivery term:

          The date of payment from buyers deliver within days

        • seat:

          Jiangsu

        • Validity to:

          Long-term effective

        • Last update:

          2020-01-18 08:00

        • Browse the number:

          280

        Send an inquiries

        Company Profile

        Jiangsu Glory Chemical Co., Ltd.

        By certification [File Integrity]

        Contact:glchem(Mr.)  

        Email:

        Telephone:

        Phone:

        Area:Jiangsu

        Address:Jiangsu

        Website:http://www.gl-chem-en.com/ http://glchem.shh-dingchao.com/

        Product details

        FLUORESCENT BRIGHTENER OB-1

        C.I.393 CAS:1533-45-5

        STRUCTURE:


        CHEMICAL NAME:?2,2-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
        MOLECULAR FORMULA: C28H18N2O2
        MOLECULAR WEIGHT: 414.4 (As International relative Atom Mass 1997)
        Max?UV?ABSORPTION?WAVWLENGHTH: 374?nm?(ethanol)
        Max?FLUORESCENCE?EMISSION?WAVWLENGHTH:?434?nm
        EXCUTIVE STANDARD:?Q/LQH010-2003
        ?

        SPECIFICATIONS:

        Item

        Indices

        Appearance

        ?Green/ yellow powder

        Purity

        ≥ 98.5%

        Smell

        No special smell

        Melting point

        353-359℃

        Ash

        ≤ 0.5%

        Volatile content

        ≤ 0.5%


        PROPERTY:??????????
        Optical?Agent OB-1 is a excellent diphenylethylene bisbenzoxazole type compound. It is unsoluble?in water and has stable capablity, also it has good?resistance to heat, sunlight,?chlorine?bleaching and?migration.?It?owns?especially high temperature tolrence,?suitable for shaping various kinds of plastics and their products under high temperature.It has an extra ideal whitening effect on polyester fibers as well as polyester fiber-containing fabrics?including polyester-cotton blend fabric It can be used to?whiten various kinds of plastics?such as?ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC. With?addition of Optical?Agent OB-1,polyamide?fiber,?nylon and polyester?have significantly good whiteness. Mixed with this product,?recycling polyester?waste material, bottle material and slice?flake will have a higher?whiteness?than before,?different,?recycling materials will have better similar color.


        USEAGE:
        Optical brightener OB-1should be thoroughly?dispered in the polymers. When?any ultral-violet absorption agent is added, the optimal dosage of optical brightener OB-1 will be adjusted accordingly. ???


        DOSAGE:
        For transparent ????0.0025-0.005% ??????????????opaque ≤ 0.01-0.03%

        PACKAGE:?Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.

        STORAGE:?Should be stored in cool?and dry place.?

        http://www.gl-chem-en.com/

        午夜影视
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