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UV-531
CAS NO.:1843-05-6
Chemical name:2-hydroxy-4-(octyloxy)benzophenone
Molecular Formula: C21H26O3 Molecular weight:326
Structural Formula:
Specification
Appearance:Slightly yellow crystalline powder
Assay:99.0%min
Melting range:47-49℃min
Volatile: 0..25%max
Ash:0.1%max
Solubility(25℃,g/100ml):Acetone 74,Benzene 72, Methanol 2,
Ethanol (95%) 2.6,n-heptane 40,n-hexane 40.1
Application: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. Usage: 0.1%-0.5% based on polymers weight
Toxicity and safety: It can be safely handled without any irritation to the skin. LD50:10,000mg/kg
Packing: Packed in cardboard drums or paper carton lined with plastic bags with the net capacities of 20 kg per bag or as required by the customers.
Storage: It should be stored in a close system and kept in a dry, close and shade place.
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