3564-26-9

Name	Mordant Red 5
CAS	3564-26-9
EINECS(EC#)	222-644-3
Molecular Formula	C12H11N2NaO6S
MDL Number	MFCD00056115
Molecular Weight	334.28
MOL File	3564-26-9.mol

Synonyms

MORDANT RED 5 C.I. Mordant Red 5 Acid mordant Red 5 Chrome Bordeaux BR ANTHRACENE CHROME RED A Mordant red 5 (C.I. 14290) C.I.Mordant Red 5:C.I.14290 Sodium 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxybenzenesulfonate sodium 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxybenzenesulphonate 3-[(2,4-Dihydroxyphenyl)azo]-4-hydroxybenzenesulfonic acid sodium salt 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxy-benzenesulfonicacimonosodiumsalt

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Chemical Properties

EPA Substance Registry System

Benzenesulfonic acid, 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxy-, monosodium salt (3564-26-9)

Safety Data

WGK Germany	3
TSCA	TSCA listed

Hazard Information

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Resorcinol coupling.

Properties and Applications

dark red to bordeaux. Soluble in water for orange to brown light orange, slightly soluble in ethanol for yellow orange, soluble in Acetone. In concentrated sulfuric acid to red light yellow, dilute color shallow; In concentrated nitric acid for orange brown solution.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
Standard	Ironing Fastness	Light Fastness	Alkali	Acid	Persperation Fastness	Soaping	Water
ISO	2-3	5	3-4	3	4	4	5
AATCC	4-5	5	4-5		4-5	4-5	5

Purification Methods

Purify the dye by precipitating the free acid from aqueous solution using concentrated HCl, then wash it and extract it with EtOH in a Soxhlet extractor. Evaporation of the EtOH leaves the purified acid which is converted to the sodium salt.

Supplier

CONIER CHEM AND PHARMA LIMITED

Telephone

Websitehttp://www.conier.com/

Shaanxi Dideu Medichem Co. Ltd

Telephone81148925 17391631969

Website

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