Orchil Red

CAS NO.：6226-81-9
Empirical Formula: C26H25N4NaO7S2
Molecular Weight: 592.62

What is Orchil Red?

Preparation

2-Amino-2′,3,4′,5-tetramethylazobenzene?diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

red. Soluble in water for blue-ray red. In the dark for the strong sulfuric acid, after diluted red brown precipitation. In water solution to join hydrochloric acid, a palm red precipitate; Add sodium hydroxide dissolved the precipitation.

Safety information for Orchil Red

New Products

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Related products of tetrahydrofuran

2-Naphthalenesulfonic acid, 5,5'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-hydroxy-, disodium salt

2,7-Naphthalenedisulfonic acid, 5-[[(4-chloro-2,5-dimethylphenyl)sulfonyl]amino]-4-hydroxy-3-[[2-(1-methylethoxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]azo]-, disodium salt

Acid red 163

2,7-Naphthalenedisulfonic acid, 3-[[3,3'-dimethyl-4'-[[3-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt

disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate

BORDEAUX RED

CHROMOTROPE 2B

Naphthalenesulfonic acid, 2-hydroxy-1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-, monosodium salt