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Benzophenones Based Ultraviolet Absorbers
PowerSorb™ 284

2-Hydroxy-4-methoxy-benzophenone-5-sulphonic acid .
Synonym:2-Benzoyl-5-methoxy-1-phenol-4-sulfonic acid

Chemical Structure


Introduction / Features

PowerSorb™ 284 is a safe and effective water-soluble UV absorber with broad spectrum absorbance ranging between 270 and 350nm.

Physical Properties

Chemical Name: 2-Hydroxy-4-methoxy-benzophenone-5-sulphonic acid
CAS No.: 4065-45-6
EINECS No.: 223-772-2
Formula: C14H12O6S
Molecular Weight: 308
Bulk Density[g/cm3]: 0.84
Melting Point(°C): Min.107
Turbidity(NTU): Max.16
Volatile(%): Max.0.2
Heavy Metals(PPM): Max.50
Specific Extinction 285nm (%): 460 Min.
Specific Extinction 325nm (%): 285 Min.
Gardner Color: Max.4.0
Appearance: Off-white Powder
Min. Purity: 99.5%

Solubility (20°C) % w/w
Acetone: 12
Ethyl acetate: <0.5
Chloroform: <0.5
n-Hexane: <0.5
Methanol: 86
Toluene: <0.5
Water: 38

Applications

PowerSorb™ 284 is neutralized with an appropriate base.

PowerSorb™ 284 can be used as a light stabilizer for water based products such as styling gels, shampoos, shower-gels and alcoholic fragrances.

Packings

PowerSorb™ 284 is supplied in 25kg carton box.

Technical Library

Download Technical Data Sheet Safety Data Sheet

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