Pigment Red 48:2

Basic Information

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CAS Number

7023-61-2

Molecular Formula

C18H13CaClN2O6S

Molecular Weight

460.9 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

SMILES

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OC(=O)c1cc2ccccc2c(c1O)/N=N/c1cc(Cl)c(cc1S(=O)(=O)O)C.[Ca]

InChI

InChI=1S/C18H13ClN2O6S.Ca/c1-9-6-15(28(25,26)27)14(8-13(9)19)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24;/h2-8,22H,1H3,(H,23,24)(H,25,26,27);/b21-20+;

InChIKey

PHFMCOUQHQMESB-ANVLNOONSA-N

LogP

4.486720000000003

Topological Polar Surface Area

136.61999999999998 Å²

Hydrogen Bond Donor/Acceptor

3 / 8

Complexity

800

Synonyms & References

English

Pigment Red 48:2
Fast Red F5R
Permanent Red 2BS
Pigment Red RC
Plasco red 48:2
PR48:2 CA RED 2B YS
PR48:2 RED 2B BS
Red 2BP
Rubine Touer 2BA
C.I. 15865:2
Calcium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate

MDL Number

MFCD00071945

FAQ

What are the physical and chemical properties of Pigment Red 48:2 (CAS: 7023-61-2)?

Pigment Red 48:2 (CAS: 7023-61-2) is a lightfast, non-toxic, and stable organic pigment. It has a molecular weight of approximately 682.5 g/mol. The pigment is insoluble in water but has good solubility in organic solvents. It exhibits excellent light and weather resistance, making it highly suitable for outdoor applications. Chemically, it is stable and does not react with most chemicals under normal conditions.

How is Pigment Red 48:2 (CAS: 7023-61-2) typically synthesized?

Pigment Red 48:2 (CAS: 7023-61-2) is synthesized through a multistep process involving coupling reactions and condensation. The key steps include the preparation of amines and coupling them with dyes using a catalyst such as a Lewis acid. The process typically yields around 80% purity with good selectivity. The final product undergoes purification and dispersion treatment to achieve optimal performance.

What industries use Pigment Red 48:2 (CAS: 7023-61-2)?

Pigment Red 48:2 (CAS: 7023-61-2) is widely used in the plastics, coatings, and printing ink industries due to its excellent lightfastness and color stability. It is also utilized in the textile industry for dyeing and finishing applications. Additionally, it finds use in the construction and aerospace industries for its durability and resistance to environmental degradation.

What precautions should be taken when handling Pigment Red 48:2 (CAS: 7023-61-2)?

When handling Pigment Red 48:2 (CAS: 7023-61-2), it is important to use appropriate personal protective equipment (PPE) such as gloves, safety glasses, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize exposure to dust. Spills should be cleaned up carefully using appropriate absorbents, and the material safety data sheet (MSDS) should be consulted for specific handling and disposal instructions. Proper storage should be in a cool, dry place away from direct sunlight and heat sources.