Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex

Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex structure

CAS No.: 12227-64-4

Chemical Name:: Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex

Synonyms: Food Red 7:1;C.I. Food Red 7:1;C.I.Food Red 7:1:C.I.16255:1;Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex;aluminum,(8Z)-7-oxo-8-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonate

CBNumber:: CB1919721

Molecular Formula:: C20H11AlN2O10S3

Molecular Weight:: 562.485278

MDL Number:

MOL File:: 12227-64-4.mol

Last updated:2022-12-21 16:56:50

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Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex Properties

FDA UNII	K6DSC8J075

Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex Chemical Properties,Uses,Production

Preparation

4-Hydroxynaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling, and then into aluminum salt deposit color.

Properties and Applications

red. Red fine powder, odourless. Hardly soluble in water, oil and most solvent, but can be scattered, mixed with water, oil and other liquid and solid powder. Resistance to light sex, salt tolerance, good sex, heat resistance than C.I. Food Red 7 a bit better. When using the use effect of the acid and alkali through influence. This product is particularly suitable for oil products, powder solid and colloid water-soluble colorants difficult to chromatic items shading. The product is made of a certain amount of strong HCL, added with a certain volume of two potassium hydrogen sulfate solution diluted, the maximum absorption wavelength for 508 + 2 nm.

Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex Preparation Products And Raw materials

Raw materials

1-Naphthol-4-sulfonic acid 2-Naphthol-6,8-disulfonic acid

Preparation Products

Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex 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

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Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex Food Red 7:1 C.I. Food Red 7:1 aluminum,(8Z)-7-oxo-8-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonate C.I.Food Red 7:1:C.I.16255:1 12227-64-4