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  • Chinese wholesale Brightening Agent - Optical Brightener ER-2 – Subang

    Chinese wholesale Brightening Agent - 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....
  • OEM/ODM Manufacturer Optical Brightener 184 - Optical Brightener AMS-X – Subang

    OEM/ODM Manufacturer Optical Brightener 184 - 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...
  • Chinese Professional Brightners - Optical Brightener EBF-L – Subang

    Chinese Professional Brightners - 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...
  • Wholesale Discount Subang Chemcial - Optical brightener OB  Fine – Subang

    Wholesale Discount Subang Chemcial - 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...
  • Chinese Professional Phenylacetyl Chloride - P-tolonitrile – Subang

    Chinese Professional Phenylacetyl Chloride - P-tolonitrile – Subang

    Structural formula Chemical name: P-tolonitrile Other names: P-tolylnitrile, p-methylbenzonitrile Molecular formula: C8H7N molecular weight: 117.15 Numbering System CAS: 104-85-8 EINECS: 203-244-8 Physical Data Appearance: white to light yellowish crystal Density (g/mL,25℃): 0.981 Relative vapor density (g/mL,air=1): not available Melting point (ºC): 26-28 Boiling point (ºC,Atmospheric pressure): 217.0, 103~106ºC (2666pa) Boiling point (ºC, 10mmHg): 93-94 Refractive...
  • 8 Year Exporter Fluorescent Brightener ER - Optical Brightener EBF-L – Subang

    8 Year Exporter Fluorescent Brightener ER - 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...
  • Factory Price For Optical Brightener 363 - Optical Brightener BBU – Subang

    Factory Price For Optical Brightener 363 - 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%...
  • Super Lowest Price Optical Brightener 135 - Optical Brightener KSN – Subang

    Super Lowest Price Optical Brightener 135 - Optical Brightener KSN – Subang

    Structural formula C.I.:368 CAS NO.:5242-49-9 TENICAL SPECIFICATIONS: Appearance: yellow-green powder Content: ≥99.0% Melting point: 275-280℃ Use The fluorescent whitening agent KSN 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 extrusion mol...
  • OEM/ODM China 2 nitro para cresol - Ophthalic Acid – Subang

    OEM/ODM China 2 nitro para cresol - Ophthalic Acid – Subang

    Structural Formula Name: Ophthalic acid Other name: 2-methyl benzoic acid; O-toluene acid Molecular formula: C8H8O2 Molecular weight: 136.15 Numbering System CAS Number: 118-90-1 EINECS: 204-284-9 HS code: 29163900 Physical Data Appearance: white flammable prismatic crystals or needle crystals. Content: ≥99.0% (liquid chromatography) Melting point: 103 °C Boiling point: 258-259 °C(lit.) Density: 1.062 g/mL at 25 °C(lit.) Refractive index: 1.512 Flash point: 148 °C Solubili...
  • OEM/ODM Manufacturer Optical Brightener 184 - Optical Brightener FP-127 – Subang

    OEM/ODM Manufacturer Optical Brightener 184 - 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...
  • Ordinary Discount Optical Brightener Manufacturers - Optical Brightener CBS-X – Subang

    Ordinary Discount Optical Brightener Manufacturers - Optical Brightener CBS-X – Subang

    Chemical structure formula Product Name: Optical Brightener CBS (powder & granule) Chemical Name: 4,4 ‘- bis (sodium 2-sulfonate styryl) biphenyl Formula: C28H20S2O6Na2 Monocular Weight:  562 Appearance: yellowish crystal powder Extinction coefficient(1%/cm): 1120-1140 Tone: Blue Melting point:  219-221℃ Moisture:≤5% Performance characteristics 1. Whiten cellulose fiber effectively in cold water and warm water. 2. Repeated washing will not make the fabric yellowing or...
  • High Quality for Uvitex ERN-P - Optical Brightener EBF – Subang

    High Quality for Uvitex ERN-P - 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 ...