Name: toluidine red

Foreign name: Toluidine red

Molecular formula: C17H13N3O3

Molecular weight: 307.31

CAS Number: 2425-85-6

MDL number: MFCD00003910

EINECS number: 219-372-2

RTECS number: QK4247000

PubChem number: 24851937

Properties: bright red powder

Melting point (ºC): 258

Boiling point (ºC, normal pressure): 270-272

Solubility: insoluble in water, slightly soluble in ethanol, acetone and benzene.

use

1. It can be used for the coloring of ink pads, ink pencils, crayons, watercolor and oil paints, and rubber products; also suitable for the coloring of varnished cloth, paint, plastic and natural lacquer, sand pipes, arts and crafts and cosmetics.

2. Used for the coloring of inks, paints, cultural and educational supplies. Used for the coloring of plastics, rubber products, cultural and educational supplies, paint printing, etc.