PowerSorb™ 571 CAS No.

2-(2H-Benzotriazol-2-yl)-6-dodecyl-4-methyl phenol, linear and branched

PowerSorb™ 571 is a low volatility liquid ultraviolet light absorber of the hydroxy phenyl benzotriazole class. It has very good solubility in many solvents, monomers, and intermediates, and hence can be incorporated in the process of polymerization.

Technical Data of PowerSorb™ 571 cas 125304 04 3

Synonyms	Tinuvin 571, Tinuvin 171.
CAS Number
EINECS Number	603-051-2
Chemical Structure
Chemical Formula	C25H35N3O
Molecular Weight	395
Packing	PowerSorb™ 571 is supplied in 30Kg Plastic Drum.
Note	All information in the leaflet is based on our present knowledge and experience. We reserve the right to make any changes according to technological progress or further developments. Performance of the product described herein should be verified by testing. We specifically disclaim any other express or implied warranty of fitness for a particular purpose or merchantability. We disclaim liability for any incidental or consequential damages.

Benefits & Applications of PowerSorb™ 571 CAS No. 125304 04 3

PowerSorb™ 571 can be applied in thermoplastic PUR, coating and integral foams, rigid and plasticized PVC, PVB, PMMA, PVDC, EVOH, EVA, hot cured unsaturated polyesters and spin finishes for PA, PET, PUR, and PP fibers.

PowerSorb™ 571 is also suitable for latices, waxes, adhesives, styrene homo- and co-polymers, elastomers and polyolefins.

PowerSorb™ 571 is highly soluble in many solvents, monomers, or intermedi-ates and easily emulsifiable in water-based adhesives. It can be considered for use during polymerization as well as for typical applications on PVC sheets.

Physical Properties of PowerSorb™ 571 CAS No.

Appearance	Yellow liquid
Specific Gravity [20°C]
Melting Point (°C)	-56
Vapor Pressure (25°C, Pa)
Volatile Loss (%)
Clarity of Solution	Clear Solution
Color of Solution (450nm, %)
Color of Solution (500nm, %)
Assay (%)

Solubility of PowerSorb™ 571 CAS No.

Solubility [20°C]	% w/w
Acetone	>50
Ethanol	12
n-Hexane	>50
Methanol	1
Methylene chloride	>50
Toluene	>50
Water	<0.01

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