4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

Product Name: 4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
CAS No.: 5442-09-1
Chemical Name: 4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
Synonyms: C.I.23690;Direct Blue 31;C.I.Direct Blue 31;C.I.Direct Blue 31:C.I.23690;4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt;2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-[4'-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-, sodium salt (1:3)
CBNumber: CB92435104
Molecular Formula: C34H27N4NaO12S3
Formula Weight: 802.78
MOL File: 5442-09-1.mol

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

American Custom Chemicals Corporation

Product number: DYE0000774
Product name: DIANIL BLUE 2R
Purity: 95.00%
Packaging: 5MG
Price: $499.26
Updated: 2021/12/16

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4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, first and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling, again with 4-Hydroxynaphthalene-1-sulfonic acid coupled

Properties and Applications

red light blue. Soluble in water for deep purple, slightly soluble in alcohol for red light purple. The strong sulfuric acid for green light blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for deep purple; Add thick sodium hydroxide solution for purplish red color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	5	3	2	1-2		2

4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Suppliers

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5442-09-1, 4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium saltRelated Search:

Direct Blue 303 Direct Blue 307 Direct Blue 301 Direct Blue 302 C.I.Direct Blue 30 Direct Blue 306 Direct Blue 309 Direct Blue 304 Direct Blue 308

4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

C.I.23690

C.I.Direct Blue 31

2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-[4'-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-, sodium salt (1:3)

C.I.Direct Blue 31:C.I.23690

Direct Blue 31

5442-09-1

C34H26N4O12S33Na