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BP-2(Benzophenone UV Absorber )CAS: 131-55-5

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Synonyms: Benzophenone, 2,2,4,4-tetrahydroxy-;2,2',4,4'-Tetrahydroxybenzophenone (UV-2);Eusorb UV-246;di(2,4-dihydroxyphenyl)methanone;BP-2;Sumisorb 150;Uvinul D-50;Methanone, bis (2,4-dihydroxyphenyl)-;2,2',4,4'-Tetrahydroxy benzophenone (Benzophenone 2);bis(2,4-dihydroxyphenyl)methanone;Methanone,bis(2,4-dihydroxyphenyl)-;Seesorb 106;2,2',4,4'-Tetrahydroxy Benzophenone;2,2',4,4'-Tetrahydroxybenzophenone (BP-2);2,2'4,4'Tetrahydroxy Benzophenone (UV Absorber D50); Classification: Other Chemicals
EINECS: 205-028-9 Molecular Formula: C13H10O5
Melting Point: 199-204℃ Boiling Point: 531.2 °C at 760 mmHg
Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Water Solubility:
Refractive index: 1.718 Flash Point: 289.2 °C
Purity: Appearance: yellow to brown crystalline powder
HazardClass: 4.1 Brand Name:
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Detailed Description

 Chemical name : 2,2',4,4'-tetrahydroxy Benzophenone

Introduction : BP-2 is a benzophenone type ultraviolet light absorber (UVA), imparting good light stability for polyester, coating and cosmetic. It can also be used in textile industry.

Molecular Formula : C13H10O3  CAS NO : 131-55-5
Structure :
Physical Properties

Appearance :  Pale greenish yellow crystalline powder.

Melting Range : 195~203°C


BP-2 as a ultraviolet light absorber (UVA) has better heat and light stability than BP-1(UV-0), it is mainly used in polyester, coating and cosmetics, it is also widely used in textile industry.

PackingBP-2 is available in powder form in 25kg carton, net weight, with an inner PE liner or 25kg fiber drum


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