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C.I. Direct Red 187

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C.I. Direct Red 187 Basic information
Product Name:C.I. Direct Red 187
Synonyms:C.I.Direct Red 187:C.I.40275;C.I. Direct Red 187;Direct Red 187
CAS:1325-64-0
MF:
MW:0
EINECS:603-627-3
Product Categories:
Mol File:Mol File
C.I. Direct Red 187 Structure
C.I. Direct Red 187 Chemical Properties
Safety Information
MSDS Information
C.I. Direct Red 187 Usage And Synthesis
Preparationin reflux (or a little take pressure), under the condition of sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid and 3-Sulfo-5-aminosalicylic acid diazo, and 2-Amino-4-methylanisole coupled to a heating products.
Properties and Applicationsyellow light red. Moderate soluble in water for orange brown, not soluble in alcohol. The strong sulfuric acid for blue-black, diluted for ash brown. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution has the purple precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 2 5-6 3 3
C.I. Direct Red 187 Preparation Products And Raw materials
Raw materials5-amino-3-sulphosalicylic acid-->2-Methoxy-5-methylaniline
Tag:C.I. Direct Red 187(1325-64-0) Related Product Information
Direct Red 180 1-Chloro-8-hydroxy-7-[4-(6-methylbenzothiazol-2-yl)phenylazo]naphthalene-3,6-bis(sulfonic acid sodium) salt Benzoic acid, 5-[[4-[(2,4-dihydroxyphenyl)azo]-3-sulfophenyl]azo]-2-hydroxy-, disodium salt 2-Naphthalenesulfonic acid, 3-[[2,5-dimethyl-4-[(4-sulfophenyl)azo]phenyl]azo]-4-hydroxy-7-[[[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]carbonyl]amino]-, trisodium salt BENZOPURPURIN 4B C.I. Direct Red 191 Direct red 194 (C.I. 35785) Direct Red 181 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt