2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1)

Product Name
2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1)
CAS No.
5858-89-9
Chemical Name
2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1)
Synonyms
Acid Orange 31;C.I.Acid Orange 31:C.I.15995;2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1)
CBNumber
CB24780450
Molecular Formula
C16H12ClN2NaO4S
Formula Weight
386.78
MOL File
5858-89-9.mol
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S468460
Product name
SODIUM 5-(4-CL-PH-AZO)-6-HO-NAPHTHALENE-2-SULFONATE(ACID ORANGE 31 C.I. 15995)
Purity
AldrichCPR
Packaging
250MG
Price
$29.8
Updated
2024/03/01
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2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) Chemical Properties,Usage,Production

Preparation

4-Chlorobenzenamine diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

bright orange. Soluble in water and ethanol for red orange, easily soluble in soluble fiber element. In the strong sulfuric acid to orange for yellow orange after diluted. The dye solution to join 10% sulfuric acid as orange; Add 10% sodium hydroxide solution for orange brown. Used for wool, silk fiber dyeing, etc.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
AATCC 6 2 2 2-3

2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) Suppliers