UV absorber UV BP-6 CAS 131-54-4

CAS: 131-54-4

Molecular Formula: C15H14O5

Molecular Weight: 274.27

EINECS: 205-027-3

Synonyms: Benzophenone,2,2'-dihydroxy-4,4'-dimethoxy-; bis(2-hydroxy-4-methoxyphenyl)-methanon; CyasorbUV12; 2,2-DIHDROXY-4,Chemicalbook4-DIMETHOXYBENZOPHENONE; UV-6,BP-6; UVabsorberUVBP-6

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What is UV absorber UV BP-6 CAS 131-54-4?

The melting point of UV absorber UV-BP-6 is 139-140 ° C. UV absorber UV BP-6 is soluble in ethyl acetate, methyl ethyl ketone and toluene, and insoluble in water. UV absorber UV-BP-6 is a light yellow crystal. UV absorber UV-BP-6 is flammable and stimulates smoke by thermal decomposition.

Specification

Item	Specification
Melting point	133-136 °C(lit.)
Boiling point	377.26°C (rough estimate)
Density	1.2662 (rough estimate)
Acidity coefficient (pKa)	6.81±0.35(Predicted)
Refractive index	1.5000
LogP	3.9-4.1

Application

UV absorber UV-BP-6 is suitable for polyvinyl chloride, acrylic resin, epoxy resin, phenolic resin, cellulose nitrate and polyurethane. UV absorber UV BP-6 is a benzophenone ultraviolet absorber. Uv absorber is the most common light stabilizer used as ultraviolet absorber, widely used in paints and plastics.