5850-86-2

Usage

Uses

Used in Textile Industry:
ACID ORANGE 8 is used as a dye for various types of fibers, including wool, silk, cotton, and polyamide fibers. Its ability to impart a vibrant red light orange color makes it a popular choice for dyeing these materials.
Used in Paper Industry:
In the paper industry, ACID ORANGE 8 is utilized as a dye for coloring paper products. Its solubility in water and compatibility with soluble fiber elements make it suitable for this application.
Used in Leather Industry:
ACID ORANGE 8 is also used in the leather industry for dyeing leather products. Its ability to create a distinct red light orange color adds aesthetic value to leather goods.
Used in Organic Pigments:
The dye is employed in the production of heavy metal salt-based organic pigments, where its unique color properties contribute to the creation of various pigment formulations.
Standard:
ACID ORANGE 8 meets various industry standards for light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater. The ISO and AATCC ratings for these properties are as follows:
Light Fastness: ISO 3, AATCC 4
Soaping: ISO 1, AATCC 1
Perspiration Fastness: ISO 2, AATCC 1
Oxygen Bleaching: ISO 3, AATCC 3
Fastness to Seawater: ISO 2-3, AATCC 2
These ratings indicate the dye's performance and durability under different conditions, making it a reliable choice for various applications across different industries.

Preparation

4-Amino-3-methylbenzenesulfonic acid?diazo, and Naphthalen-2-ol coupling.

Flammability and Explosibility

Nonflammable

Standard

Light Fastness

Fading

Stain

ISO

3

AATCC

4

Purification Methods

Salt it out three times with sodium acetate, then extract it repeatedly with EtOH and dry.

InChI:InChI=1/C17H14N2O4S.Na/c1-11-10-13(24(21,22)23)7-8-15(11)18-19-17-14-5-3-2-4-12(14)6-9-16(17)20;/h2-10,18H,1H3,(H,21,22,23);/q;+1/p-1/b19-17+;