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
Molecular Weight:
386.78
MDL Number:
MOL File:
5858-89-9.mol

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

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S468460 SODIUM 5-(4-CL-PH-AZO)-6-HO-NAPHTHALENE-2-SULFONATE(ACID ORANGE 31 C.I. 15995) AldrichCPR 5858-89-9 250MG $29.8 2024-03-01 Buy
Product number Packaging Price Buy
S468460 250MG $29.8 Buy

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

2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) Acid Orange 31 C.I.Acid Orange 31:C.I.15995 5858-89-9