Fast Red 2R 21 (SPR021)

Color Shade (1:10)

Product Identification

• C.I. NO. : Fast Red 21 (12300)
• Chemical Name : Permanent Red FR, Scarlet Red 2R, Fast Red 2R
• Synonyms : 4-[(2-Chlorophenyl)azo]-3-hydroxy-N-phenyl-2-naphthalenecarboxamide; 4-[(2-Chlorophenyl)azo]-3-hydroxy-N-phenylnaphthalene-2-carboxamide
• Molecular Formula : C₂₃H₁₆ClN₃O₂
• Molecular Weight : 401.85
• CAS Registry Number : 6410-26-0
• EINECS : 229-096-4
• Chamical Family : Mono Azo
• Physical State : Powder

Molecular Structure

Physical and Chemical Properties

• PH Value : 7
• Density (g/cm3 ) : 1.6
• Oil Absorption (ml/100g) : 40
• Fastness to Light : 6
• Fastness to Heat : 120 °C
• Water Resistance : 4
• Oil Resistance : 3
• Resistance to Acid : 5
• Resistance to Alkali : 5

Application

• Industrial Paint
• Water base Ink
• Solvent inks

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