CAS:

131-57-7

Molecular 

formula:

C₁₄H₁₂O₃

Performance and uses:

Ultraviolet light absorber UV-9 is especially suitable for light-colored transparent 

products with good light and heat stability. This product can be used in paint and 

various plastic products, and it is especially effective in PVC, polystyrene, polyurethane, 

and acrylic resins and light-colored transparent furniture. Moreover, it also functions as 

additive for cosmetics. Additive amount is 0.1-0.5%.

Quality index:

Item

Standard

Appearance

Light yellow crystalline powder

Content

≥99%

Melting point

62-64℃

Ash content

≤0.1%

Drying loss

≤0.5%

Solubility

Benzene: 56.2% n-hexane: 4.3% ethyl 

alcohol: (95%): 5.8% carbon 

tetrachloride: 34.5% 

styrene: 51.2% DOP: 18.7%