Brilliant purpurin R

Brilliant purpurin R structure

CAS No.: 5413-69-4

Chemical Name:: Brilliant purpurin R

Synonyms: CI 23510;Direct Red 15;C.I.Direct Red 15;Brilliant purpurin R;C.I.Direct Red 15:C.I.23510;3-amino-4-[[4-[4-[(1-amino-4-sulfonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid;3-Amino-4-[[4'-[(1-amino-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

CBNumber:: CB0728540

Molecular Formula:: C34H29N6NaO9S3

Molecular Weight:: 784.81

MDL Number:: MFCD03098899

MOL File:: 5413-69-4.mol

Last updated:2026-09-12 18:48:28

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Brilliant purpurin R Chemical Properties, Uses, Production

Preparation

3,3′-Dimethylbenzidine double nitriding, First coupling with 3-Aminonaphthalene-2,7-disulfonic acid, again with 4-Aminonaphthalene-1-sulfonic acid matches. There are some type of dyes, part 4-Hydroxynaphthalene-1-sulfonic acid can be 6-Aminonaphthalene-2-sulfonic acid instead.

Properties and Applications

red. Soluble in water is palm red light, and adequate soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue, Purple gray for diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for palm light orange, precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	2	3-4		2

Brilliant purpurin R Preparation Products And Raw materials

Raw materials

6-Amino-2-naphthalenesulfonic acid 1-Naphthol-4-sulfonic acid Naphthionic acid O-Tolidine amino-R acid

Preparation Products

Brilliant purpurin R Suppliers

Global Suppliers ( 3)

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Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58

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CI 23510 3-Amino-4-[[4'-[(1-amino-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt C.I.Direct Red 15 3-amino-4-[[4-[4-[(1-amino-4-sulfonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid Direct Red 15 C.I.Direct Red 15:C.I.23510 Brilliant purpurin R 5413-69-4