Acid Red 142

Acid Red 142 Basic information

Product Name:	Acid Red 142
Synonyms:	Acid Red 142;Red M;Red 142;6-Hydroxy-5-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt;C.I.27000;Java Red A;Acid Red M;C.I.Acid Red 142
CAS:	6406-66-2
MF:	C22H17N4NaO7S2
MW:	536.51
EINECS:
Product Categories:
Mol File:	6406-66-2.mol

Acid Red 142 Chemical Properties

Safety Information

MSDS Information

Acid Red 142 Usage And Synthesis

Preparation

4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for red, soluble in ethanol for orange red. In the strong sulfuric acid as dark blue, diluted into red. In water solution to join strong hydrochloric acid by brown orange into palm red; Add thick sodium hydroxide solution for purplish red color.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4	4	5	2-3	4-5

Acid Red 142 Preparation Products And Raw materials

Raw materials

6-Hydroxynaphthalene-2-sulphonic acid-->4'-Aminoazobenzene-4-sulphonic acid

Acid Red 315 ALIZARIN RUBINOL R Acid Red 27 sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate Acid Red 18 Acid Red 215 Acid Red 73 Weak Acid Red 2BS SULFORHODAMINE B Acid Red 186 ACID RED 1 Acid Red 251 Weak Acid Scarlet F-3GL

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Acid Red 142

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