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C.I. Direct Orange 28

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C.I. Direct Orange 28 Basic information
Product Name:C.I. Direct Orange 28
Synonyms:C.I. Direct Orange 28;Direct Orange 28;C.I.Direct Orange 28:C.I.40065
CAS:1325-49-1
MF:
MW:0
EINECS:603-623-1
Product Categories:
Mol File:Mol File
C.I. Direct Orange 28 Structure
C.I. Direct Orange 28 Chemical Properties
Safety Information
MSDS Information
C.I. Direct Orange 28 Usage And Synthesis
Preparation2-Methyl-5-nitrobenzenesulfonie acid?sodium hydroxide solution at reflux under heating together with?Benzene-1,4-diamine, the molecular ratio of 2:1.
Properties and Applicationsdark red light orange. Soluble in water for orange, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for red purple, dilute precipitation after brown; In nitric acid partly dissolved, for red light brown solution, and then to yellow brown solution.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 1 3 2-3 2 3
AATCC 3 3 2-3 2 3
C.I. Direct Orange 28 Preparation Products And Raw materials
Raw materialsp-Phenylenediamine
Preparation ProductsC.I. Direct Brown 34-->C.I. Direct Brown 29
Tag:C.I. Direct Orange 28(1325-49-1) Related Product Information
sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate Direct Orange 33 disodium (3Z)-5-methyl-3-[[2-methyl-4-[3-methyl-4-[[3-methyl-5-oxo-1-(4-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxo-cyclohexa-1,4-diene-1-carboxylate DIRECT ORANGE 29 7-[[4-[(2,4-Diamino-5-nitrophenyl)azo]benzoyl]amino]-4-hydroxy-3-[(4-sodiosulfophenyl)azo]naphthalene-2-sulfonic acid sodium salt C.I. Direct Orange 27 Direct Orange 46 C.I. Direct Orange 31 DIRECT ORANGE 26