CAS 5281-04-9: Pigment Red 57:1

Description: Pigment Red 57:1, also known as Diketopyrrolopyrrole (DPP) red, is an organic pigment characterized by its vibrant red hue and excellent lightfastness, making it suitable for various applications in coatings, plastics, and inks. It is a synthetic pigment derived from the diketopyrrolopyrrole structure, which contributes to its stability and resistance to fading when exposed to UV light. This pigment exhibits high tinting strength and opacity, allowing for effective coloration even at low concentrations. Additionally, Pigment Red 57:1 is known for its good chemical resistance and compatibility with a range of binders and solvents, enhancing its versatility in formulations. It is generally considered safe for use in various applications, although specific regulations may apply depending on the intended use and region. Overall, Pigment Red 57:1 is valued for its aesthetic qualities and performance characteristics, making it a popular choice in the pigment industry.

Formula: C₁₈H₁₄N₂O₆S·Ca

InChI: InChI=1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,21H,1H3,(H,22,23)(H,24,25,26);

InChI key: InChIKey=PPVZMZJCKBHXOT-UHFFFAOYSA-N

SMILES: [Ca].O=C(O)C1=CC=2C=CC=CC2C(N=NC3=CC=C(C=C3S(=O)(=O)O)C)=C1O

Synonyms:

• 6B300
• Calcium-3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)azo]-2-naphthoat
• 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, calcium salt (1:1)
• C.I. Pigment Red 57 calcium salt
• C.I. Pigment Red 57, calcium salt (1:1)
• 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, calcium salt (1:1)
• 1862 Red

Lithol Rubin BCA

CAS: 5281-04-9

• Formula: C₁₈H₁₂CaN₂O₆S
• Purity: >85.0%(E)
• Color and Shape: Red to Dark red to Brown powder to crystal
• Molecular weight: 424.44

Pigment Red 57:1

CAS: 5281-04-9

• Formula: C₁₈H₁₂CaN₂O₆S
• Purity: 85%
• Molecular weight: 424.4407

Red No.202 for TLC RS

CAS: 5281-04-9

• Color and Shape: Bluish Red Solid Powder

Lithol Rubine BK (2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(E)-2-(4-methyl-2-sulfophenyl)diazenyl]-, calcium salt (1:1))

CAS: 5281-04-9

Pigments & preparations based thereon

• Formula: C₁₈H₁₂CaN₂O₆S
• Color and Shape: Dark Red Powder
• Molecular weight: 424.0042

Lithol Rubine BK

CAS: 5281-04-9

Lithol Rubine BK is an insoluble polymer that is used for the treatment of wastewater. …

• Formula: C₁₈H₁₂CaN₂O₆S
• Purity: Min. 95%
• Molecular weight: 424.44 g/mol