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Pigment red 21

Synonyms:
Pigment red 21 ;
Fast Red 2R
Molecular Structure:
pigment red 21
Foreign relative brand:
Fast Red 2R(LNIE)
Bronze Red (NBIE)
Pigment Red 21( CPMA)
3132 Scarlet Red (HZDK)
Everbright Fast Red 2R 3132(SHIE)
Product Name
Trade Name: Fast Red 2R
C.I. Number: pigment red 21
CAS Number: 6410-26-0
EU Number: 229-096-4
Chemical Family: Mono azo

Pigment red 21 Physical, Chemical and Fastness Properties

Application
Molecular Weight 401.84
Molecular Formula C23H16CIN3O2
P.H. Value 6.0-7.0
Density 1.5
Oil Absorption(ml/100g)% 40
Light Fastness 7
Heat Resistance 150 (°C)
Water Resistance 4
Oil Resistance 3
Acid Resistance 5
Alkali Resistance 5
Fast Red 2R is yellowish red with strong color strength, high covering and good dispersion.
Recommended for Industrial Paints, decorative paint.
Suggested for textile printing.
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Organic Pigment
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