Mordant Orange 1 CAS 2243-76-7

Mordant Orange 1

Name	Mordant Orange 1
Synonyms	C.I. 14030; 5-(4-Nitrophenylazo)salicylic acid
Molecular Structure
Molecular Formula	C13H9N3O5
Molecular Weight	287.23
CAS Registry Number	2243-76-7
EC Number	218-818-3

Uses:

1. Wool dyeing: As an important acidic mediator dye, it is used for dyeing wool fibers 

   and can produce bright and firm orange to red tones.

2. Silk dyeing: suitable for dyeing silk fabrics, providing good color depth and fastness.

3. Nylon dyeing: It can be used for dyeing polyamide fibers (such as nylon) to enhance their color brightness and durability.

4. Leather coloring: Used for dyeing leather products, giving them a long-lasting and vibrant orange color.

5. Biological staining (laboratory application): In biology and microscopy, it can be used as a staining agent for cells or tissues, 

   for the observation and analysis of specific structures.