Pigment Red 4

CAS: 2814-77-9

Ref. 3D-FP41164

Product Information

• Name: Pigment Red 4
• Synonyms: (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

Description

Pigment Red 4 is a polycarboxylic acid that is soluble in ethylene diamine and glycol ester. It has been shown to be an effective drug for the treatment of various skin diseases, such as drug reactions, dermatitis, and eczema. Pigment Red 4 has been found to absorb ultraviolet light and may be used as a sunscreen. The mechanism of action is not clear, but it may inhibit the production of prostaglandin or have other effects on cell metabolism. Pigment Red 4 has also been used in the manufacture of lacquers and enamels because it resists corrosion by water and dilute acids. This pigment can also be mixed with boron nitride to form a chelate ligand that is used in laser ablation. Pigment Red 4 is often mixed with magnesium salt or hydroxide solution to form a film-forming polymer that can be used in cosmetics or film coating. This pigment may also be used in the manufacture

• Brand: Biosynth

Chemical properties

• Molecular weight: 327.72 g/mol
• Formula: C₁₆H₁₀ClN₃O₃
• Purity: Min. 95%