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  • Quality Inspection for Whitening Agent - Optical Brightener 4BK – Subang

    Quality Inspection for Whitening Agent - Optical Brightener 4BK – Subang

    Product Details Name: Optical Brightener 4BK Main ingredient: stilbene azine type C.I.:113 CAS NO.:12768-91-1 Technical Index Appearance: light yellow uniform powder Ionicity: Anion Fluorescence intensity: 100±1 (relative to standard product) Color light: blue-violet light. Performance and Characteristics 1. It has high-efficiency fluorescent whitening effect, with a slight blue light. 2. It is not sensitive to light, and its chemical properties are relatively stable. 3. It has...
  • 2021 High quality 1,4-Phthalaldehyde - O-nitrophenol – Subang

    2021 High quality 1,4-Phthalaldehyde - 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...
  • Cheap price Fluorescent Whitening Agent BA - Optical Brightener DMS – Subang

    Cheap price Fluorescent Whitening Agent BA - 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...
  • Ordinary Discount Optical Brightener Manufacturers - Optical brightener OEF – Subang

    Ordinary Discount Optical Brightener Manufacturers - 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...
  • New Fashion Design for Tinopal CBS-X - Optical brightener OEF – Subang

    New Fashion Design for Tinopal CBS-X - 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...
  • Factory Supply Optical Brightener Vbl - Optical Brightener CBS-X – Subang

    Factory Supply Optical Brightener Vbl - 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...
  • Excellent quality Uvitex DMS - Optical brightener OEF – Subang

    Excellent quality Uvitex DMS - 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...
  • High Quality for Uvitex ERN-P - Optical Brightener OB-1 – Subang

    High Quality for Uvitex ERN-P - 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 China New Design Optical Brightener 52 - Fluorescent Brightener BAC-L – Subang

    2021 China New Design Optical Brightener 52 - 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...
  • Good User Reputation for Brightner CBS-127 - Optical Brightener SWN – Subang

    Good User Reputation for Brightner CBS-127 - 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...
  • China Manufacturer for Optical Brightener FP - Optical Brightener PF-3 – Subang

    China Manufacturer for Optical Brightener FP - 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...
  • Discount wholesale Optical Brighteners Manufacturers - Optical Brightener ST-2 – Subang

    Discount wholesale Optical Brighteners Manufacturers - Optical Brightener ST-2 – Subang

    Product Details Product Name: Optical Brightener ST-2 Appearance: Ivory white dispersion Ionic Type: Non-ionic Structure Type: Benzothiazole derivative Color Shade: Blue Counterpart: Uvitex EBF Operating Temperature Room temperature to within 180°C. ST-2 is a special fluorescent whitening for domestic water-based paints and water-based paints. Properties ST-2 high-efficiency fluorescent whitening agent can be arbitrarily dispersed in soft water, acid and alkali ...
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