2,4-Dihydroxybenzophenone

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