CAS 3564-21-4

2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)

Description:

2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2), commonly referred to as a dye or pigment, is characterized by its complex molecular structure that includes a naphthalene ring system, a carboxylic acid functional group, and a diazenyl moiety. This compound typically exhibits vibrant coloration due to the presence of the azo group, which is known for its ability to absorb visible light, making it useful in various dye applications. The sulfonate group enhances its solubility in water, allowing for better dispersion in aqueous solutions. As a sodium salt, it is likely to be more stable and less prone to precipitation compared to its acid form. The presence of chlorine and methyl substituents on the aromatic ring can influence its reactivity and interaction with other chemical species. Overall, this compound is utilized in fields such as textiles, inks, and biological staining, owing to its stability, solubility, and color properties.

Formula: C₁₈H₁₃ClN₂O₆S·2Na

InChI: InChI=1S/C18H13ClN2O6S.2Na/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);;

InChI key: InChIKey=ODQAEDIFARQZNT-UHFFFAOYSA-N

SMILES: N(=NC1=C(S(=O)(=O)O)C=C(C)C(Cl)=C1)C=2C3=C(C=C(C(O)=O)C2O)C=CC=C3.[Na]

Synonyms:

• 2-Naphthalenecarboxylic acid, 4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-, disodium salt
• 2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
• Bonadur Red Y 20-6440
• Brilliant Red 2B
• Carmine Lake 2A
• Carmine Lake 2WA
• Ci 15865
• Cogilor Red 313.00
• Disodium 4-(5-Chloro-4-Methyl-2-Sulfonato-Phenyl)Azo-3-Hydroxy-Naphthalene-2-Carboxylate
• Eljon Rubine YS
• Irgalite Red 2BS
• Isol Bona Red 5NR
• Isol Bona Red NR
• Japan Red 405
• Kromon Red 2B Sodium Salt
• Lithol Scarlet 5BM
• Lithol Scarlet BBM
• Lithosol Red 2B
• Lithosol Red 2BD
• Monolite Rubine 2BN
• No. 3742/4 Conc. Scarlet
• No. 67 Conc. Crimson
• Permanent Red 2B
• Permanent Red F 5R
• Pigment Red 48
• Pigment Red 4BS
• Red No. 405
• Silogomma Fast Red G
• Silotermo Red F
• Silotermo Red FG
• Silotermo Red RBM
• Siloton Red F 5R
• Siloton Red RBM
• Suprapal Red 3XIA843
• Symuler Neothol Red 2B
• Symuler Red 3020
• Symuler Red 3023
• Symuler Red 3030
• Symuler Red 3037
• Symuler Red 3045
• Watching Red
• disodium (4Z)-4-[2-(5-chloro-4-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate
• C.I. Pigment Red 48
• C.I. 15865

Pigment red 48 (C.I. 15865)

CAS: 3564-21-4

Pigment Red 48 (C.I. 15865) is a red organic pigment that is soluble in water and most organic solvents. It has a melting point of 200°C and is used in paints, plastics, textiles, paper, and other products. Pigment Red 48 (C.I. 15865) can be synthesized by the diazonium salt coupling reaction between an aromatic amine and an acid chloride. The pigment also has a hydroxyl group that enables it to form covalent bonds with other molecules such as polymers or proteins. Pigment Red 48 (C.I. 15865) is used in many products because of its high stability, excellent heat resistance, low toxicity, non-irritating properties, high transparency, and good color fastness to light and washing.BR> Pigment Red 48 (C.I. 15865) is not considered hazardous according to the Globally Harmonized System of Classification and Lab

Formula: C₁₈H₁₁ClN₂Na₂O₆S

Purity: Min. 95%

Molecular weight: 464.79 g/mol

Ref: 3D-FP171241