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  • OEM/ODM China Fluorescent Brightener SWN - Optical Brightener SWN – Subang

    OEM/ODM China Fluorescent Brightener SWN - 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...
  • OEM manufacturer Uvitex EBF - Optical Brightener EBF – Subang

    OEM manufacturer Uvitex EBF - 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 ...
  • High Quality Optical Brightener - OPTICAL BRIGHTENER KSNp – Subang

    High Quality Optical Brightener - 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...
  • OEM Factory for Brightner OB - Optical Brightener EBF-L – Subang

    OEM Factory for Brightner OB - Optical Brightener EBF-L – Subang

    Structural formula Appearance: Milky white dispersion Ionicity: non-ionic Main ingredients: benzothiazole derivatives Dyeing shade: pure white light Performance and Characteristics 1. Fluorescent brightener EBF-L is suitable for the whitening and brightening treatment of polyester and its blended fabrics; 2.EBF-L is suitable for exhaust dyeing and pad dyeing process; 3. EBF-L has excellent light fastness characteristics, up to level 7; 4. EBF-L has good stability to acid/alkali...
  • Manufacturer for 2,4,6-Trimethylaniline - 2,5-Thiophenedicarboxylic Acid – Subang

    Manufacturer for 2,4,6-Trimethylaniline - 2,5-Thiophenedicarboxylic Acid – Subang

    Structural formula Chemical name:2,5-Thiophenedicarboxylic Acid Other names: OB acid; ob acid; ob acid; 5-thiophene dicarboxylic acid; 2,5-thiophene diacid; 2,5-dicarboxythiophene; 2,5-thiophene dicarboxylic acid; thiophene-2,5-dicarboxylic acid; 2,5-thiophene dicarboxylic acid; 2,5-thiophene dicarboxylic acid; 2,5-thiophene dicarboxylic acid Molecular formula: C6H4O4S molecular weight: 172.16 Numbering System CAS:  4282-31-9 EINECS : 224-284-2 HS CODE: 2934999090 Physical D...
  • Good Quality Brightener - Optical Brightener DMS – Subang

    Good Quality Brightener - 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...
  • Reliable Supplier Optical Brightner Cbs-127 - OPTICAL BRIGHTENER KSNp – Subang

    Reliable Supplier Optical Brightner Cbs-127 - 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...
  • 2021 China New Design 4,4\’-Bis(Chloromethyl)-1,1\’-biphenyl - O-toluenenitrile – Subang

    2021 China New Design 4,4\’-Bis(Chloromethyl)-1,1\’-biphenyl - O-toluenenitrile – Subang

    Chemical Structure Name: O-toluenenitrile Other name: 2-methylbenzonitrile; o-toluonitrile Molecular formula: C8H7N Molecular weight: 117.1479 Numbering System CAS Registry Number: 529-19-1 EINECS accession number: 208-451-7 Customs code: 29269095 Physical Data Appearance: colorless transparent to light yellow liquid Content: ≥98.0% Density: 0.989 Melting point: -13°C Boiling point: 205℃ Refractive index: 1.5269-1.5289 Flash point: 85°C Uses Used as the main raw mater...
  • Wholesale Price China BCMB - O-nitrophenol – Subang

    Wholesale Price China BCMB - 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...
  • Special Design for Fluorescent Whitening Agent FP-127 - Optical Brightener OB-1 – Subang

    Special Design for Fluorescent Whitening Agent FP-127 - 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...
  • 2021 High quality 1,4-Phthalaldehyde - 2-Amino-p-cresol – Subang

    2021 High quality 1,4-Phthalaldehyde - 2-Amino-p-cresol – Subang

    Chemical Structure Molecular formula: C7H9NO Molecular weight: 123.15 CAS NO.: 95-84-1 EINECS: 202-457-3 UN NO.: 2512 Chemical Properties Appearance: gray-white crystals. Content: ≥98.0% Melting point: 134 ~136℃ Moisture: ≤0.5% Ash content: ≤0.5% Solubility: easily soluble in organic solvents such as ethanol, ether and chloroform. Slightly soluble in water and benzene. Easily soluble in hot water. Uses Used as a dye intermediate, and also used in the preparation of fluore...
  • factory Outlets for Fluorescent Whitening Agent OB-1 - Optical Brightener FP-127 – Subang

    factory Outlets for Fluorescent Whitening Agent OB-1 - Optical Brightener FP-127 – Subang

    Structural formula Product Name:Optical brightener FP-127 Chemical Name:4,4′-Bis(2-methoxystyryl)-1,1′-biphenyl C.I.:378 CAS NO.:40470-68-6 Specifications Appearance: Light yellow or milky white crystal powder Purity: ≥99.0% Tone: Blue Melting point: 219~221℃ Solubility: insoluble in water. soluble in a variety of organic solvents such as DMF (dimethylformamide) Thermal stability: above 300°C, which can meet the temperature requirements of different manufacturing...