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  • Hot Sale for Optical Brightener CBS-X - Optical Brightener OB – Subang

    Hot Sale for Optical Brightener CBS-X - Optical Brightener OB – Subang

    Structural formula Product Name: Optical brightener OB Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole) C.I.:184 CAS NO.:7128-64-5 Specifications Molecular formula: C26H26N2O2S molecular weight: 430 Appearance: light yellow powder Tone: blue Melting point: 196-203℃ Purity: ≥99.0% Ash: ≤0.1% Particle size: Pass 200 mesh Maximum absorption wavelength: 375nm(Ethanol) Maximum emission wavelength: 435nm(Ethanol) Properties Optical brightener OB is a kind of benzoxazole compou...
  • Newly Arrival  Uvitex FP - Optical Brightener DMS – Subang

    Newly Arrival Uvitex FP - Optical Brightener DMS – Subang

    Optical Brightener DMS Formula:C40H38N12O8S2Na2 Monocular Weight: 924.93 Appearance:white to light yellow even powder Extinction coefficient(1%/cm): 415±10 Triazine AAH:≤0.05% Total triazine:≤1.0% Moisture:≤5.0% Water insoluble content:≤ 0.5% Iron ion/PPM:≤ 200 Performance characteristics Fluorescent whitening agent DMS is considered to be a very good fluorescent whitening agent for detergents. Due to the introduction of morpholine group, many properties of the brightener have...
  • Wholesale Dealers of Optical Brightener 220 - Optical brightener OEF – Subang

    Wholesale Dealers of Optical Brightener 220 - Optical brightener OEF – Subang

    Optical brightener OEF Structural formula  Product Name: Optical brightener OEF Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole) C.I.:184 CAS NO.:7128-64-5 Specifications Molecular formula: C26H26N2O2S molecular weight: 430 Appearance: light yellow powder Mesh:800-1000 Tone: blue Melting point: 196-203℃ Purity: ≥99.0% Ash: ≤0.1% Maximum absorption wavelength: 375nm(Ethanol) Maximum emission wavelength: 435nm(Ethanol) Properties Optical brightener OEF is a kind of benzoxaz...
  • High Performance  Optical Brightener 393 - Optical Brightener ST-2 – Subang

    High Performance Optical Brightener 393 - Optical Brightener ST-2 – Subang

    Product Details Product Name: Optical Brightener ST-2 Appearance: Ivory white dispersion Ionic Type: Non-ionic Structure Type: Benzothiazole derivative Color Shade: Blue Counterpart: Uvitex EBF Operating Temperature Room temperature to within 180°C. ST-2 is a special fluorescent whitening for domestic water-based paints and water-based paints. Properties ST-2 high-efficiency fluorescent whitening agent can be arbitrarily dispersed in soft water, acid and alkali ...
  • OEM/ODM Supplier Fluorescent Brightener PF - Optical Brightener EBF – Subang

    OEM/ODM Supplier Fluorescent Brightener PF - Optical Brightener EBF – Subang

    Chemical structure formula C.I:185 CAS NO.:12224-41-8 Molecular formula: C18H10N2O2S molecular weight: 318 Appearance: light yellow powder Tone: blue Melting point:  216-220℃ Purity:  ≥98.0% Package: 25kg fiber drum,with PE bag inside or as customer’s request. Application Mainly used for whitening polyester, with excellent light fastness. It can also be used for whitening plastics, coatings, acetate, nylon, and chlorinated fibers. Mixed with fluorescent whitening agent DT, it ...
  • Hot sale Factory Optical Brightener Ob Manufacturer - Optical Brightener SWN – Subang

    Hot sale Factory Optical Brightener Ob Manufacturer - Optical Brightener SWN – Subang

    Optical Brightener SWN Formula C14H17NO2 C.I. 140 CAS No. 91-44-1 Chemical Name 7-Diethylamino-4-methylcoumarin Appearance White crystalline Melting Point 70.0-75.0 Content >99.0 Volatile Content <0.5 Molecular Weight 213.3 UV Strength 98.0-102-0 Extinction value 1000~1050 Property       Optical brightener SWN is Coumarin Derivatives. It is soluble in ethanol, acidic liquor, resin and varnish. In water, the solubility of SWN is only 0.006 percent. It fu...
  • Wholesale Price Whitex WS - Optical Brightener BBU – Subang

    Wholesale Price Whitex WS - Optical Brightener BBU – Subang

    Structural formula Molecular formula: C40H40N12O16S4Na4 Relative molecular mass: 1165.12 Maximum UV absorption wavelength: 350 nm Properties: anionic, blue tone Physical Index 1) Appearance: light yellowish powder 2) Fluorescence strength (equivalent to standard product): 100±3 3) Whiteness (difference with standard whiteness: sample whiteness% or WCTE-standard whiteness% or WCTE): ≥ -3 4) Water: ≤ 5.0% 5) Fineness (the amount of residue passing through the 250μmm sieve): ≤ 10%...
  • Popular Design for Ob For Plastic - Fluorescent Brightener BAC-L – Subang

    Popular Design for Ob For Plastic - Fluorescent Brightener BAC-L – Subang

    Product Details Name: Fluorescent Brightener BAC-L C.I.:363 CAS NO.:175203-00-6 Appearance: amber liquid Performance and Characteristics 1. Suitable for whitening processing of acrylic fabric and diacetate fabric; 2. Suitable for exhaustion dyeing and continuous processing technology; 3. Very stable to chlorous acid and hypochlorous acid compounds; 4. Excellent light fastness and wet fastness characteristics; 5. This product is an acrylic fiber whitening agent, and a very good white...
  • New Arrival China Uvitex SWN - Optical brightener OB  Fine – Subang

    New Arrival China Uvitex SWN - Optical brightener OB Fine – Subang

    Optical brightener OB  Fine Structural formula Product Name: Optical brightener OB Fine Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole) C.I.:184 CAS NO.:7128-64-5 Specifications Molecular formula: C26H26N2O2S molecular weight: 430 Appearance: light yellow powder Tone: blue Melting point: 196-203℃ Purity: ≥99.0% Ash: ≤0.1% Particle size: Pass 300 mesh Maximum absorption wavelength: 375nm(Ethanol) Maximum emission wavelength: 435nm(Ethanol) Properties Optical brightener OB...
  • Short Lead Time for Fluorescent Whitening Agent KSN - Optical Brightener OB-1 – Subang

    Short Lead Time for Fluorescent Whitening Agent KSN - Optical Brightener OB-1 – Subang

    Structural formula Product Name: Optical brightener OB-1 Chemical Name: 2,2′-(1,2-ethenediyl)bis(4,1-phenylene)bisbenzoxazole C.I.:393 CAS NO.:1533-45-5 Specifications Appearance: Bright yellowish green crystal powder molecular weight: 414 Molecular formula: C28H18N2O2 Melting point: 350-355℃ Maximum absorption wavelength: 374nm Maximum emission wavelength: 434nm Properties Optical brightener OB-1 is crystallized substance, has strong fluorescence. It is odorless, hard to dissolve in w...
  • New Delivery for Optical Brightener SWN - OPTICAL BRIGHTENER KSNp – Subang

    New Delivery for Optical Brightener SWN - OPTICAL BRIGHTENER KSNp – Subang

    PRODUCT NAME: OPTICAL BRIGHTENER KSNp C.I.:368 CAS NO.:5242-49-9 TENICAL SPECIFICATIONS: Appearance: yellow-green powder Content: ≥99.0% Melting point: 250-285℃ Use: The fluorescent whitening agent KSNp not only has excellent high temperature resistance, but also has good resistance to sunlight and weather. The fluorescent whitening agent KSN is also suitable for the whitening of polyamide, polyacrylonitrile and other polymer fibers; it can also be used in film, injection molding and...
  • Professional Design Hostalux KS-C - Optical Brightener MST – Subang

    Professional Design Hostalux KS-C - Optical Brightener MST – Subang

    Product Details C.I.:353 CAS NO.:68971-49-3 Appearance: amber liquid Color light: blue light Fluorescence intensity: 22-25 Ionicity: anion PH value: 7.0-9.0 Product Features 1. Liquid whitening agent MST is a derivative of stilbene hexasulfonic acid, which is a compound agent of pure product and synergist. 2. Miscibility: It can be diluted with water to any concentration. 3. Ionicity: anion. 4. Low-temperature stability: long-term storage at -7°C will not cause frozen bodies, if fro...