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factory customized Chinese Manufacturer Optical Brightener with High Whitening Effect - 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... -
Big discounting Subang - 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... -
8 Year Exporter Fluorescent Brightener ER - 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 wholesale Optical Brightener 378 - 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... -
Factory Cheap Hot Tinopal Optical Brightener - 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... -
OEM/ODM China Fluorescent Brightener SWN - Optical Brightener PF-3 – Subang
Structural formula Molecular formula: C18H14N2O2 Molecular weight: 290.316 Melting point: 182-188°C Appearance: light yellow powder Scope of Application Fluorescent brightener PF-3 is mainly used for whitening and brightening PVC, polystyrene, polyacrylate, polyester film, high and low pressure polyethylene, ABS, plexiglass, business cards, high-grade paper, etc. Dosage Application method: Mix the optical brightener PF-3 in the selected plasticizer at 0.03-0.1% of the weig... -
OEM/ODM China Fluorescent Brightener SWN - 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%... -
Factory Cheap Hot 2-Formylbenzenesulfonic Acid Sodium Salt - 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... -
Manufactur standard Fluorescent Brightener EBF - 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... -
OEM/ODM Supplier Fluorescent Brightener PF - Optical Brightener PF-3 – Subang
Structural formula Molecular formula: C18H14N2O2 Molecular weight: 290.316 Melting point: 182-188°C Appearance: light yellow powder Scope of Application Fluorescent brightener PF-3 is mainly used for whitening and brightening PVC, polystyrene, polyacrylate, polyester film, high and low pressure polyethylene, ABS, plexiglass, business cards, high-grade paper, etc. Dosage Application method: Mix the optical brightener PF-3 in the selected plasticizer at 0.03-0.1% of the weig... -
Super Lowest Price Optical Brightener 135 - 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 made hot-sale Optical Brightener For Coatings - 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...
