Pigment Red 23

颜料红23

Also known as: C.I. 12355, C.I. Pigment Red 23, C.I. Pigment Red 157, CIPIGMENT23, Irgalite Red, Fast Pink B, Fast Carmine RBS, 6316 Fast Rose Red, 6368 Permanent Pink, Pigment Red 245, Napthol Red Blue Shade, 3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)naphthalene-2-carboxamide, 2-Naphthalenecarboxamide, 3-hydroxy-4-(2-methoxy-5-nitrophenyl)azo-N-(3-nitrophenyl)-, 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methoxy-5-nitrophenyl)diazenyl]-N-(3-nitrophenyl)-, 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methoxyphenylazo-3-hydroxy-N-phenyl-

Pigment Red 23 (CAS 6471-49-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C24H17N5O7 and a molecular weight of 487.42100 g/mol. It is also known as C.I. 12355, C.I. Pigment Red 23 and C.I. Pigment Red 157. Key properties include a melting point of 330-340ºC, a boiling point of 692.8ºC at 760 mmHg, a density of 1.47 g/cm3 and a flash point of 372.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6471-49-4

Jingsj CID

J-1010715-5

Molecular Formula

C₂₄H₁₇N₅O₇

Chinese Name

颜料红23

Molecular Weight

487.42100 g/mol

Category

Organic Compounds

Last updated

8/21/2026