5863-95-6

Basic information

• Product Name: disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate
• Synonyms: disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate;8-[[4-(Acetylcyclohexylamino)phenyl]azo]-7-hydroxy-1,3-naphthalenedisulfonic acid disodium salt;C.I.16240;C.I.Acid Orange 28;1,3-Naphthalenedisulfonic acid, 8-((4-(acetylcyclohexylamino)phenyl)azo)-7-hydroxy-, disodium salt;1,3-Naphthalenedisulfonic acid, 8-(2-(4-(acetylcyclohexylamino)phenyl)diazenyl)-7-hydroxy-, sodium salt (1:2);Einecs 227-517-6
• CAS NO: 5863-95-6
• Molecular Formula: C24H23N3Na2O8S2
• Molecular Weight: 591.56426
• EINECS: 227-517-6
• Mol File: 5863-95-6.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate(5863-95-6)
• EPA Substance Registry System: disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate(5863-95-6)

Safety Data

• Hazardous Substances Data: 5863-95-6(Hazardous Substances Data)

Usage

Description

Disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate is a synthetic dye characterized by its bright orange color. It is soluble in water and ethanol, and its color can be altered by the addition of strong acids or bases. disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate is known for its use as a dye in various industries due to its colorfastness properties.

Uses

Used in Textile Industry:
Disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate is used as a dye for wool and silk fibers. It is chosen for its ability to produce a gold orange color that is resistant to fading and staining under various conditions, such as light exposure, soaping, perspiration, oxygen bleaching, and seawater.
Used in Leather Industry:
In the leather industry, disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate is used as a dye for leather dyeing. Its colorfastness properties make it a suitable choice for producing vibrant and long-lasting colors on leather products.
Standard:
The colorfastness properties of disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate are measured according to international standards such as ISO and AATCC. The ratings for light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater are as follows:
ISO:
Light Fastness: 4-5
Soaping: 3-4
Perspiration Fastness: 3
Oxygen Bleaching: 4-5
Fastness to Seawater: 1
AATCC:
Fading: 5-6
Stain: 4
Fading: 4
Stain: 1
Fading: 4-5
These ratings indicate the dye's performance under various conditions, making it a reliable choice for applications in the textile and leather industries.

Preparation

N-(4-aminophenyl)-N-cyclohexylacetamide diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.

Standard

Light Fastness

Fading

Stain

ISO

4-5

AATCC

5-6

InChI:InChI=1/C24H25N3O8S2.2Na/c1-15(28)27(18-5-3-2-4-6-18)19-10-8-17(9-11-19)25-26-24-21(29)12-7-16-13-20(36(30,31)32)14-22(23(16)24)37(33,34)35;;/h7-14,18,25H,2-6H2,1H3,(H,30,31,32)(H,33,34,35);;/q;2*+1/p-2/b26-24+;;