Solvent Red 24 | Transparent Plastic Red 301 | CAS 85-83-6

Solvent Red 24

Chinese aliases: Oil-soluble Red 24, 128 Candle Red, Oil Red, Candle Red Oil, 400 Oil-soluble Wax Red, 3902 Oil-soluble Red, Transparent Plastic Red 301, Sudan Red No. 4, Sudan Red IV
Foreign name: Solvent Red 24
CAS: 85-83-6
EINECS registration number: 201-635-8
Chemical formula: C24H20N4O

Physical and chemical properties: Dark red powder. High coloring power, bright and vivid hue, good heat resistance and light resistance. It can maintain a bright color for a long time in outdoor environments and is not easy to fade.
Shade: Blue-red
Light fastness: Grade 3-4
Weather resistance: Grade 3-4
Heat resistance: 180°C
Melting point: 199°C
Boiling point: 260°C
Light fastness (in PS): Grade 5-6
Its melting point range is generally between 184~199°C. It can maintain a bright color for a long time in outdoor environments and is not easy to fade.
Solubility: Insoluble in water but soluble in various organic solvents. This characteristic makes it perform well in oil-soluble media.

Product uses: Mainly used as a biological stain, and also for coloring oils, water, soaps, candles, rubber toys, and plastic products.

In the plastics industry, Solvent Red 24 is one of the commonly used colorants. It can also be used for coloring engineering materials such as polyester and nylon, as well as for the original pulp coloring of polyester fibers, adding a rich range of color options to plastic products.
It is also widely used in industries such as rubber, ink, paint, leather, and cosmetics. It can provide bright colors for rubber products such as rubber toys and rubber soles without affecting the physical properties and chemical stability of the rubber.
In inks and paints, it can provide stable color effects, making it suitable for the printing and coating industries.