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  • Good User Reputation for Brightner CBS-127 - Optical Brightener KCB – Subang

    Good User Reputation for Brightner CBS-127 - Optical Brightener KCB – Subang

    Structural formula Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene C.I.:367 CAS NO.: 5089-22-5/63310-10-1 Technical data: Appearance: yellowish-green crystal powder Content: ≥99.0% Melting point: 210-212℃ Molecular formula: C24H14N2O2 Molecular weight: 362 Solubility: insoluble in water, soluble in organic solvents Maximum absorption spectrum wavelength: 370nm Maximum fluorescence emission wavelength: 437nm Other features: good heat resistance and light resistance; good chemica...
  • Best quality Optical Brightener 54 - Optical Brightener KSN – Subang

    Best quality Optical Brightener 54 - 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...
  • Special Price for Fluorescent Whitening Agent BAC - Optical Brightener SWN – Subang

    Special Price for Fluorescent Whitening Agent BAC - 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...
  • Quality Inspection for Whitening Agent - Optical Brightener OB-1 – Subang

    Quality Inspection for Whitening Agent - 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...
  • PriceList for Fluorescent Whitening AgentPF - Fluorescent Brightener DT – Subang

    PriceList for Fluorescent Whitening AgentPF - Fluorescent Brightener DT – Subang

    Structural formula Name: Fluorescent Brightener DT C.I.:135 CAS NO.:12224-12-3 Molecular formula: C18H14N2O2 Molecular weight: 290.316 Appearance: light yellow liquid Fluorescence strength (standard product): 100 force points Performance and Characteristics This product is non-ionic, does not contain ionizable groups, acid and alkali resistance PH=2-10, resistance to hard water 500ppm, stable to peracetic acid, and insensitive to light. Applications Mainly used for whiteni...
  • One of Hottest for Brightner CBS-X - Optical Brightener OB – Subang

    One of Hottest for Brightner 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...
  • Hot sale Factory Optical Brightener Ob Manufacturer - Optical Brightener KSN – Subang

    Hot sale Factory Optical Brightener Ob Manufacturer - 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...
  • Manufacturing Companies for Brightner ER - Optical Brightener SWN – Subang

    Manufacturing Companies for Brightner ER - 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...
  • Factory directly supply Optical Brightener KSN Price - Optical Brightener BBU – Subang

    Factory directly supply Optical Brightener KSN Price - 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%...
  • Best Price on  Optical Brightener 351 - Fluorescent Brightener DT – Subang

    Best Price on Optical Brightener 351 - Fluorescent Brightener DT – Subang

    Structural formula Name: Fluorescent Brightener DT C.I.:135 CAS NO.:12224-12-3 Molecular formula: C18H14N2O2 Molecular weight: 290.316 Appearance: light yellow liquid Fluorescence strength (standard product): 100 force points Performance and Characteristics This product is non-ionic, does not contain ionizable groups, acid and alkali resistance PH=2-10, resistance to hard water 500ppm, stable to peracetic acid, and insensitive to light. Applications Mainly used for whiteni...
  • PriceList for Optical Brightener 71 - Optical Brightener ER-2 – Subang

    PriceList for Optical Brightener 71 - 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....
  • Wholesale Price 2,5-Thiophenedicarboxylic acid – Tris(hydroxymethyl) Methyl Aminomethane THAM – Subang

    Wholesale Price 2,5-Thiophenedicarboxylic acid – Tris(hydroxymethyl) Methyl Aminomethane THAM – Subang

    Structural Formula Molecular formula: C4H11NO3 Chinese name: Tris(hydroxymethyl)aminomethane English name: Tris(hydroxymethyl)methyl aminomethane THAM English another name: Tris base;  2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Trometamol CAS number: 77-86-1 Molecular formula: C4H11NO3 Linear molecular formula: NH2C(CH2OH)3 Molecular weight: 121.14 Purity: ≥99.5% EC number: 201-064-4 Properties: White crystalline particles. Density: 1,353 g/cm3 Chemical properties: soluble in ethanol a...