PowerSorb™ 3048,2,2’-Dihydroxy-4,4’-dimethoxybenzophenone-5,5’-bis(sodium sulfonate),CAS No. 76656-36-5



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Benzophenones Based Ultraviolet Absorbers

PowerSorb™ 3048

2,2’-Dihydroxy-4,4’-dimethoxybenzophenone-5,5’-bis(sodium sulfonate).

Chemical Structure

Introduction / Features

PowerSorb™ 3048 is a yellowish powder.

Physical Properties

Chemical Name:	2,2’-Dihydroxy-4,4’-dimethoxybenzophenone-5,5’-bis(sodium sulfonate)
CAS No.:	76656-36-5
EINECS No.:	278-520-4
Formula:	C`15`H`12`O`11`S`2`Na`2`
Molecular Weight:	478
Density`[20°C, g/cm3]`:	1.90
Melting Point(°C):	Approx. 350
Flash Point(°C):	108
Platinum-cobalt color:	40(APHA,1% in water)
PH value(1% in water):	7
Appearance:	Yellowish Powder
Content of active substance:	67%

Solubility (20°C)	% w/w
Ethanol:	1
Ethyl acetate:	<0.01
N-Methylpyrrolidone:	<20
Methyl ethyl ketone:	<0.01
Methanol:	2
Water:	5

Applications

PowerSorb™ 3048 is a sulfonated, water-soluble derivative of PowerSorb™ 3049. Its main use is in cosmetics. One non-cosmetics application is emulsion paints. It also improves the dimensional stability of wool and jute..

Packings

PowerSorb™ 3048 is supplied in 25Kg drum.

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