Direct Orange 33

Direct Orange 33 structure

CAS No.

Chemical Name:: Direct Orange 33

Synonyms: Direct Orange 33;C.I.Direct Orange 33:C.I.22385/23385

CBNumber:: CB69703001

Molecular Formula:

Molecular Weight:: 0

MDL Number:

MOL File:: Mol file

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Direct Orange 33 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and?3-(3-Methyl-5-oxo-4-,5-dihydropyrazol-1-yl)naphthalene-1,5-disulfonic acid?coupling, 3,3′-Dimethylbenzidine diazo, respectively with the 2,4-Diamino-5-methylbenzenesulfonic acid and 4-Methylsalicylic acid?coupling.

Properties and Applications

yellow orange. Soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for product red to brown, diluted blue for Tracy.?dye solution was added concentrated hydrochloric light olive brown yellow, with precipitation; adding concentrated sodium hydroxide solution was orange-brown.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	4	1-2		1-2

Direct Orange 33 Preparation Products And Raw materials

Raw materials

Salicylic acid 3-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)naphthalene-1,5-disulfonic acid Benzidine O-Tolidine 4,6-diaminotoluene-3-sulphonic acid

Preparation Products

(Direct Orange 33)Related Search:

C.I. Direct Orange 28 sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate 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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Direct Orange 33 C.I.Direct Orange 33:C.I.22385/23385