Ultraviolet absorbent (UV-9)
Molecular formula: C14H12O3
Molecular weight: 228.25
Appearance: Gray white or canary crystalline powder
Spec:
Purity: 99.0%
Melting point: 61.5-64.5
Loss on dryness: 0.5%
Loss on ignition: 0.1%
Light transmittance (T%): 93%
Absorption spectrum : less than 288mm (ultraviolet)
Solubility: (g/100ml solvent , 25)
Benzene: 56.2 Normal hexane : 4.3
Dimethylbenzene: 47.5 Ethanol (95v/v): 5.8
Package: 25 kg in knitting bag lined with plastic film
Storage: shady place
Application: medium for ultraviolet absorption(especially for coating and plastic)
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