Content90%
Melting point47~49
Ash 0.1%
Light 0.5%
Transmittance(450nm)90%
(500nm)95%
Yellowish crystals;
UV absorber 531 Chemical Name: 2-Hydroxy-4-Octyloxy Benzophenone (Benzophenone-12) CAS NO: 1843-05-6 Molecular Formula: C21H26O3 Structural Formula: Property : ¢ÙYellowish crystals; ¢ÚYellowish fine powder Freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride. Specification Content£º¡Ý99 % Melting Point: 47~49 ¡ãC Ash: ¡Ü0.1 % Light Transmittance: (450nm)¡Ý90% (500nm)¡Ý95% Characteristics and Uses: This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%. Package: packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag. Precaution: No toxicity kept away from moisture and fire in transportation; stored and transported as common chemicals with relatively good stability. 25KG Carton or drum.
Ultraviolet absorber UV-531 Chemical Name: 2-Hydroxy-4-Octyloxy Benzophenone (Benzophenone-12) CAS NO: 1843-05-6 Molecular Formula: C21H26O3 Structural Formula: Property : Yellowish crystals; Yellowish fine powder Freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride. Specification Contentú¦í¦99 % Melting Point: 47~49 ípC Ash: í_0.1 % Light Transmittance: (450nm)í¦90% (500nm)í¦95%. Characteristics and Uses: This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%. Package: packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag. Precaution: No toxicity kept away from moisture and fire in transportation; stored and transported as common chemicals with relatively good stability.
Uv absorber 531 Chemical name: 2-hydroxy-4-octyloxy benzophenone (benzophenone-12) Cas no: 1843-05-6 Molecular formula: c21h26o3 Structural formula: Property : ó·yellowish crystals; ó·yellowish fine powder Freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride. Specification Contentú¦í²99 % Melting point: 47~49 ípc Ash: ín0.1 % Light transmittance: (450nm)í²90% (500nm)í²95% Characteristics and uses: This product is a light stabilizer with good performance, capable of absorbing the uv radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to pe, pvc, pp, ps, pc organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%. Package: packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag.
Appearance pale yellow crystalline powder Melting point(¡æ) 46.5 ~ 49 Ash content£¨%£© ¨q0.10 Volatile loss (%) ¨q0.50 Transmittance(440nm) (%) ¨r79.0 Transmittance(460nm) (%) ¨r89.0 Assay£¨%£© ¨r99.0 Tancals 531 is a benzophenone light stabilizer, capable of absorbing the uv Radiation of 240-340nm wavelength. It is of light color, non-toxicity, good Compatibility, small mobility and easy processing. It is widely applied to Pe, pvc, pp, ps, pc organic glass, pp fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability on drying phenol aldehyde, varnish of Alcohol, polyurethane, acrylate, etc. 20kg/pc
Chemical name: 2-Hydroxy-4-n-octoxybenzophenone CAS No.:1843-05-6 Molecular formular:C21H26O3 Molecular weight:326 Appearance: Pale yellow crystalline powder Melting point,degree:47-49 Purity (HPLC), %: 99min. Ash, %: 0.1max. Loss on Drying, %: 0.5max. Transmittance 450nm 90% min. 500nm 95%min. UV ABSORBER HOSORB-531 is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility,small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc.
UV absorbent UV-531 is a kind of anti-aging additives with excellent performance and high efficiency, can absorb 270-340 nm UV light, with light color, non-toxic, good compatibility, small migration, easy to process and other characteristics. It provides maximum protection to the polymer and helps to reduce color, while delaying yellowing and arresting the loss of physical properties. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate and other aspects. And for the dry phenolic and alkyd varnish, polyurethane, acrylic acid, epoxy and other air-drying products and automobile refit paint, powder coating, polyurethane, rubber products, etc., to provide them with good light stabilization effect. The dosage of 0.1% to 0.5%.
UV-531 can absorb 240-340 nm ultraviolet light, making it an excellent and efficient anti-aging additive. It has a great protective effect on polymers, helping to reduce color, while delaying yellowing and blocking physical property loss. Application UV-531 is a high-efficiency anti-aging additive with excellent performance, which can absorb 240-320nm nanometer ultraviolet rays, and has the characteristics of light color, non-toxicity, good compatibility, and easy processing. It is widely used in PE, PVC, PP, PS, polyurethane, rubber products, etc. Good compatibility with resin and low volatility. The recommended dosage is 0.1%--0.5%. UV-531 acts as a UV absorber ,finds application in formulating color cosmetics and hair-, sun- and body care products.
Supplier: Uv absorber uv 531, uv absorber
Appearance White waxy solid Melting Point 28 Saponification Value(mgKOH/g) 128 ~137 Ash% : 0.5 Transmittance : 425nm 90% ; 450nm 95% Solubility Not soluble in water, soluble in methylbenzene and some other organic solvent Application LT-3853 hindered amine light stabilizer, mainly used in polyolefin plastic painting polyurethanes ABS resins adhesives rubber etc. It is nontoxiccheap and provides good light stability. Package: 20kg carton ( PE plastic inside)
