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  • Factory Price For Optical Brightener 363 - Optical Brightener EBF – Subang

    Factory Price For Optical Brightener 363 - 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 ...
  • 2021 Good Quality O-Phthalaldehyde - Ophthalic Acid – Subang

    2021 Good Quality O-Phthalaldehyde - 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...
  • Factory Free sample Fluorescent Whitening Agent ER - Optical Brightener MST – Subang

    Factory Free sample Fluorescent Whitening Agent ER - 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...
  • China Factory for Fluorescent Whitening Agent KCB - Optical brightener OEF – Subang

    China Factory for Fluorescent Whitening Agent KCB - 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...
  • OEM Manufacturer Fluorescent Brightener OB - Optical Brightener ST-2 – Subang

    OEM Manufacturer Fluorescent Brightener OB - 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 ...
  • Newly Arrival  Uvitex FP - Optical Brightener BBU – Subang

    Newly Arrival Uvitex FP - 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%...
  • Hot New Products Fluorescent Brightening Agents - Fluorescent Brightener DT – Subang

    Hot New Products Fluorescent Brightening Agents - 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...
  • OEM Manufacturer Fluorescent Brightener OB - Optical Brightener DMS – Subang

    OEM Manufacturer Fluorescent Brightener OB - 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...
  • OEM Manufacturer Fluorescent Brightener OB - OPTICAL BRIGHTENER KSNp – Subang

    OEM Manufacturer Fluorescent Brightener OB - 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...
  • 100% Original Fluorescent Brightener VBL - Optical Brightener EBF-L – Subang

    100% Original Fluorescent Brightener VBL - 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...
  • New Arrival China O-Anisaldehyde - O-nitrophenol – Subang

    New Arrival China O-Anisaldehyde - 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...
  • Reasonable price for Optical Brightener for polyester - Optical Brightener BA – Subang

    Reasonable price for Optical Brightener for polyester - Optical Brightener BA – Subang

    Structural formula C.I.:113 CAS NO.:12768-92-2 Molecular formula: C40H42N12Na2O10S2 Molecular weight: 960.94 Appearance: light yellow uniform powder Shade: blue purple light Performance and characteristics: 1. Strong fluorescence, good whitening effect, and good light resistance. 2. It is anionic and can be bathed with anionic or non-ionic surfactants. 3. Resistant to perborate and hydrogen peroxide Application It is mainly used for the whitening of paper pulp, surface sizing, ...