Pigment Red 4

CAS: 2814-77-9

Ref. 3B-P1050

Product Information

• Name: Pigment Red 4
• Synonyms: Permanent Red 2B, (1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one, 1-(2-Chloro-4-Nitrophenylazo)-2-Naphthol, 1-(o-Chloro-p-nitrophenylazo)-2-naphthol, 1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol, 1-[2-(2-Chloro-4-nitrophenyl)diazenyl]-2-naphthalenol, 12094 Red, 2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]-, 2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]-, 2-Naphthol, 1-(2-chloro-4-nitrophenylazo)-, ADC Permanent Red Toner R, American Vermilion, Blazing Red, C-Red 1, Calcotone Red PR, Carnelio Red R, Chlorparanitraniline Red, D and C Red No. 36, D&C Red 36, D&C Red No. 36, Dainichi Permanent Red RX, Duplex Permaton Red L 20-7022, Fast Orange 3R, Fast Orange 3RJ, Fast Red R, Fastona Red R, Fire Red Toner, Flame Tones, Flaming Red, Glo-blaze Red R 152, Graphtol Red RL, Hansa Red R, Irgalite Red PRR, Isol Fast Red R, Isol Fast Red RG, Japan Red 228, Kromon Red R, Latexol Red J, Lincoln Red 1002, Lutetia Fast Orange 3R, Monolite Fast Red G, Monolite Fast Red GA, Monolite Fast Red GF, No. 1 Forthfast Red R, Oralith Red, Permanent Red BFR, Permanent Red F, Permanent Red R, Permanent Red R Extra, Permanent Red RG Extra, Permanent Red Toner R, Permansa Red, Permaton Red, Permaton Red XL 20-7015, Pigment Red 4, Pigment Scarlet Zh, Puricolor Red PRE 4, Pyrotone Red Toner RA 5520, Red Extract R, Red No. 228, Rubber Red R Extra, Segnale Light Red PRG, Silopol Red G, Silosol Red GN, Siloton Red 2G, Syton Fast Red R, Tanager Red X 761, Tiger Orange, Versal Fast Red R, Versal Red R, Vulcafix Red J, Vulcafor Orange R, Vulcan Red R, Yingzhu R 3106
• Brand: TCI

Chemical properties

• Molecular weight: 327.72
• Formula: C₁₆H₁₀ClN₃O₃
• Color/Form: Orange to Brown powder to crystal
• SMILES: O=[N+]([O-])c1ccc(N=Nc2c(O)ccc3ccccc23)c(Cl)c1