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  • OEM/ODM China 2 nitro para cresol - O-nitrophenol – Subang

    OEM/ODM China 2 nitro para cresol - O-nitrophenol – Subang

    Structural formula Chemical Name: O-nitrophenol Other Names: 2-nitrophenol, O-hydroxynitrobenzene Formula: C6H5NO3 Molecular weight: 139 CAS No.: 88-75-5 EINECS:  201-857-5 Transport number of dangerous goods: UN 1663 Specifications 1. Appearance: Light yellow crystal powder 2. Melting point: 43-47℃ 3. Solubility: soluble in ethanol, ether, benzene, carbon disulfide, caustic soda and hot water, slightly soluble in cold water, volatile with steam. Synthesis Method 1.Hydroly...
  • New Arrival China Uvitex SWN - Optical Brightener ER-2 – Subang

    New Arrival China Uvitex SWN - Optical Brightener ER-2 – Subang

    Structural formula C.I: 199:1 CAS NO. :13001-38-2 Molecular formula: C24H16N2 molecular weight: 332.3972 Appearance:  light yellow powder Tone: violet blue Purity:  ≥99% Melting point:  188-192℃ Application 1. It is suitable for the whitening and brightening of polyester and its blended fabric and acetate fiber; 2. It is not only suitable for both exhaustion dyeing and pad dyeing process; 3. This product has good leveling properties and good low-temperature coloring ability; 4....
  • Factory Cheap Optical Brightener for PSF - Optical Brightener BBU – Subang

    Factory Cheap Optical Brightener for PSF - 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%...
  • Top Quality Fluorescent Brightener KCB - Optical Brightener AMS-X – Subang

    Top Quality Fluorescent Brightener KCB - Optical Brightener AMS-X – Subang

    Optical Brightener AMS-X C.I.: 71 CAS NO.:16090-02-1 Formula: C40H38N12O8S2Na2 Monocular Weight: 924.93 Appearance: off-white powder Extinction coefficient(1%/cm): 540±20 Performance characteristics Fluorescent whitening agent AMS 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 been improved. For example, the acid resistance is increased and the perborate resistance is als...
  • OEM Supply Fluorescent Whitening Agent OB - Optical brightener OEF – Subang

    OEM Supply Fluorescent Whitening Agent OB - 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...
  • Hot sale Ranipal DMS - OPTICAL BRIGHTENER KSNp – Subang

    Hot sale Ranipal DMS - 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...
  • China New Product  40470-68-6 - Fluorescent Brightener BAC-L – Subang

    China New Product 40470-68-6 - 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...
  • Popular Design for Ob For Plastic - Optical Brightener ER-1 – Subang

    Popular Design for Ob For Plastic - Optical Brightener ER-1 – Subang

    Structural formula C.I:199 CAS NO. :13001-39-3 Appearance: light yellow powder Purity:  ≥99% Melting point:  230-232℃ Feature It is of the stilbene benzene type and is easily soluble in many organic solvents. Stable to cationic softener. The light fastness is S grade and the washing fastness is excellent. It can be used in the same bath with sodium hypochlorite, hydrogen peroxide and reducing bleach. The product is a light yellow-green dispersion which is non-ionic. It is obtai...
  • 2021 wholesale price  Optical Brightening Agent - Optical Brightener CXT – Subang

    2021 wholesale price Optical Brightening Agent - Optical Brightener CXT – Subang

    Product Details C.I.: 71 CAS NO.:16090-02-1 Molecular formula: C40H38N12Na2O8S2 Molecular weight: 925 Appearance: light yellowish powder Performance and Characteristics Fluorescent brightener CXT is currently considered to be a better brightener for printing, dyeing and detergents. Due to the introduction of morpholine gene into the whitening agent molecule, many of its properties have been improved. For example, the acid resistance is increased, and the perborate resistance is also...
  • High Performance  Optical Brightener 393 - Optical Brightener OB – Subang

    High Performance Optical Brightener 393 - 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...
  • Leading Manufacturer for Whitening Additive - Optical Brightener CXT – Subang

    Leading Manufacturer for Whitening Additive - Optical Brightener CXT – Subang

    Product Details C.I.: 71 CAS NO.:16090-02-1 Molecular formula: C40H38N12Na2O8S2 Molecular weight: 925 Appearance: light yellowish powder Performance and Characteristics Fluorescent brightener CXT is currently considered to be a better brightener for printing, dyeing and detergents. Due to the introduction of morpholine gene into the whitening agent molecule, many of its properties have been improved. For example, the acid resistance is increased, and the perborate resistance is also...
  • High Quality for Uvitex ERN-P - Optical Brightener NFW/-L – Subang

    High Quality for Uvitex ERN-P - Optical Brightener NFW/-L – Subang

    Product Details C.I.:351 CAS NO.:54351-85-8 Appearance: light amber liquid Dyeing shade: blue and green light PH value: about 3 (1% aqueous solution) Performance and Characteristics 1. Suitable for dip dyeing and continuous pad dyeing of cotton fabrics, wool and nylon fabrics; 2. Better whitening effect and higher economy; 3. Suitable for a relatively wide temperature range; 4. It has good acid-base stability (pH=2-12); 5. For reducing agents, hard water has good stability and is re...