Neutral Red 2gl

Neutral Red 2gl Basic information

Product Name:	Neutral Red 2gl
Synonyms:	Acid Red 211;C.I.Acid Red 211;Neutral Red 2gl;Red 2GL;Chromate (1-), bis[4-[4-[(5-chloro-2-hydroxyphenyl)azo]-4, 5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonamidato(2-)], sodium;Lanyl Red GG;Taigalan Red 2G.;Neutral Red 2gl ISO 9001：2015 REACH
CAS:	12239-05-3
MF:	C17H14IN5O4S
MW:	0
EINECS:
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Mol File:	Mol File

Neutral Red 2gl Chemical Properties

Safety Information

MSDS Information

Neutral Red 2gl Usage And Synthesis

Preparation

2-Amino-4-chlorophenol diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling and chromium complexation, transformed into 1:2 chromium complex.

Properties and Applications

red. Dark red powder. Soluble in water. Used for wool, silk, polyamide fiber dyeing and printing, also used in leather dyeing.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	6	4-5	5	4-5	4	4-5	4-5	5

Neutral Red 2gl Preparation Products And Raw materials

Raw materials

3-Methyl-2-pyrazolin-5-one-->2-Amino-4-chlorophenol-->Chromium formate-->2-Amino-4-chlorophenol-->3-METHYL-1-(3'-SULFOAMIDOPHENYL)-5-PYRAZOLONE

Methyl Red 2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt Acid Red 21 Acid Red 215 Acid Red 217 Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium Basic Red 5 Acid Red 213 sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate Acid violet 90

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Neutral Red 2gl

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