Lithol Dark Red 49:2 (SPR0492)

Color Shade (1:10)

Product Identification

• C.I. NO. : Pigment Red 49:2 (15630:2)
• Chemical Name : Lithol Dark Red (Calcium)
• Synonyms : 2-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid calcium salt (2:1); Calcium bis[2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate]
• Molecular Formula : C₄₀H₂₆N₄O₈S₂¹/₂Ca
• Molecular Weight : 794.87
• CAS Registry Number : 1103-39-5
• EINECS : 214-161-1
• Chamical Family : Mono Azo
• Physical State : Powder

Molecular Structure

Physical and Chemical Properties

• PH Value : 7.5
• Density (g/cm3 ) : 1.8
• Oil Absorption (ml/100g) : 40
• Fastness to Light : 5
• Fastness to Heat : 150 °C
• Water Resistance : 3
• Oil Resistance : 3
• Resistance to Acid : 3
• Resistance to Alkali : 4

Application

• Industrial Paint
• Water base Ink
• Offset inks
• Solvent inks

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