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Appearance: white or light yellow crystalline powder
Melting point: 142.0-146.0 ℃
Loss on drying: ≤ 0.1%
Content: ≥ 99.0%
PH value: 6
Chroma: ≤ 3.0
Heavy metal: ≤ 5ppm
Specific absorption coefficient (290nm): ≥ 630
Ash content: ≤ 0.5%
Non toxic: no irritation to human skin
Package: cardboard barrel 25kg / barrel
Storage: sealed, dark
Uses: mainly used in plastics as light stabilizer, can effectively protect plexiglass and cloth, prevent data from deterioration due to light, also used as intermediate for synthesis of other UV absorbers.
Validity: 2 years
