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C.I. Direct Orange 28

C.I. Direct Orange 28 Structure
CAS No.
1325-49-1
Chemical Name:
C.I. Direct Orange 28
Synonyms
Direct Orange 28;C.I. Direct Orange 28;C.I.Direct Orange 28:C.I.40065
CBNumber:
CB94756740
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file
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C.I. Direct Orange 28 Chemical Properties,Uses,Production

Preparation

2-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 Applications

dark 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 materials

p-Phenylenediamine

Preparation Products

C.I. Direct Brown 34 C.I. Direct Brown 29

1325-49-1(C.I. Direct Orange 28)Related Search:

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
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C.I. Direct Orange 28 Direct Orange 28 C.I.Direct Orange 28:C.I.40065 1325-49-1