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C.I. Direct orange 2

C.I. Direct orange 2 Structure
C.I. Direct orange 2 structure
CAS No.
8005-97-8
Chemical Name:
C.I. Direct orange 2
Synonyms
Direct Orange 2;C.I. Direct orange 2;C.I.Direct Orange 2:C.I.22380
CBNumber:
CB12494376
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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C.I. Direct orange 2 Properties

EPA Substance Registry System C.I. Direct Orange 2 (8005-97-8)

C.I. Direct orange 2 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again with 6-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)naphthalene-1,3-disulfonic acid?(0.75 Moore) and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone (0.25 Moore) coupled.

Properties and Applications

orange. Soluble in water for gold orange, and adequate soluble in ethanol for golden brown. The strong sulfuric acid for blue-ray red to purple, diluted for golden brown. The dye solution to join strong hydrochloric acid for yellow olive, and have precipitation; Add thick sodium hydroxide solution for orange. Apply to cotton dyeing, can also be used to soap class, paper and leather color. White sex is good, alkaline white poor. Copper ions in dyeing color is red; Iron ion in the red light. Exhaust dyeing.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 4 2 2

C.I. Direct orange 2 Preparation Products And Raw materials

Raw materials

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone Salicylic acid 6-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)naphthalene-1,3-disulfonic acid Benzidine

Preparation Products

8005-97-8(C.I. Direct orange 2)Related Search:

Direct Orange 17 CALCOMINE ORANGE 5RE Direct Orange 121 C.I. Direct orange 25 Direct Orange 18
Direct Orange 119 2,7-Naphthalenedisulfonic acid, 3-amino-4-[[4'-[(4-ethoxyphenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt C.I. Direct Orange 22 [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt

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C.I. Direct orange 2 Direct Orange 2 C.I.Direct Orange 2:C.I.22380 8005-97-8