Direct Orange 4

Direct Orange 4 structure

CAS No.: 3626-38-8

Chemical Name:: Direct Orange 4

Synonyms: C.I.22920;Direct Orange 4;C.I.Direct Orange 4;C.I.Direct Orange 4:C.I.22920;4,4'-Bis[(2,4-diamino-5-nitrophenyl)azo]-1,1'-biphenyl-3,3'-disulfonic acid disodium salt

CBNumber:: CB4968205

Molecular Formula:: C24H21N10NaO10S2

Molecular Weight:: 696.6

MDL Number:

MOL File:: 3626-38-8.mol

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Direct Orange 4 Chemical Properties,Uses,Production

Preparation

4,4′-Diamino-3,3′-Biphenyldisulfonic acid?double nitriding, and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.

Properties and Applications

bright orange. Moderate soluble in water for palm light orange, slightly soluble in ethanol for golden brown. The strong sulfuric acid for golden brown. After diluted for orange brown. The dye solution to join strong hydrochloric acid for orange heavy red light brown, have precipitation; Add thick sodium hydroxide solution for orange light brown, have precipitation. Can be used for cotton dyeing, good levelness. Neutral and alkaline white good to very good.

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

Direct Orange 4 Preparation Products And Raw materials

Raw materials

4,4'-diamino-3,3'-biphenyldisulfonic acid 4-Nitro-1,3-phenylenediamine

Preparation Products

Direct Orange 4 Suppliers

Global( 1)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Dynasty Colourants Co., Ltd.	--	info@dynasty-color.com	China	3306	51

Supplier	Advantage
Dynasty Colourants Co., Ltd.	51

3626-38-8(Direct Orange 4)Related Search:

Direct Orange 40 Benzenesulfonic acid, 5-[(4-amino-2,5-dimethylphenyl)azo]-2-methoxy-, monosodium salt, reaction products with 2,2'-(1,2-ethenediyl)bis[5-nitrobenzenesulfonic acid], reduced SIRIUS ORANGE G DIRECT ORANGE 37 Direct Orange 46

Direct Orange 39 C.I. Direct Orange 35

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4,4'-Bis[(2,4-diamino-5-nitrophenyl)azo]-1,1'-biphenyl-3,3'-disulfonic acid disodium salt C.I.22920 C.I.Direct Orange 4 Direct Orange 4 C.I.Direct Orange 4:C.I.22920 3626-38-8