2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt

Product Name
2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt
CAS No.
8004-70-4
Chemical Name
2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt
Synonyms
Acid Black 36;C.I.Acid Black 36:C.I.27275;2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt
CBNumber
CB74765292
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt Chemical Properties,Usage,Production

Preparation

4-Aminonaphthalene-2,7-disulfonic acid?diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

a dark grey light black. Soluble in water for dark red light purple. The strong sulfuric acid in dark green light for blue, diluted into dark purple. In water solution to join hydrochloric acid for blue; Add sodium hydroxide solution for pure blue.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 2 4 1-2 2-3 3-4

2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt Suppliers