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Pigment Red 208 CAS 31778-10-6

Chemical Property:

Molecular Formula C29H25N5O5
Molar Mass 523.54
Density 1.39±0.1 g/cm3(Predicted)
Boling Point 632.0±55.0 °C(Predicted)
Flash Point 336°C
Water Solubility 3.2μg/L at 24℃
Vapor Presure 1.44E-16mmHg at 25°C
pKa 11.41±0.30(Predicted)
Refractive Index 1.691
Physical and Chemical Properties hue or color: bright red
density/(g/cm3):1.42
Bulk density/(lb/gal):11.2-11.6
melting point/℃:>300
average particle size/μm:50
particle shape: Cube
specific surface area/(m2/g):50;65
pH value/(10% slurry):6.5
oil absorption/(g/100g):86
hiding power: transparent type
diffraction curve:
reflection curve:
bright red powder. Light resistance 6~7. Resistance to organic solvents can reach 4~5, acid resistance, excellent alkaline, no migration phenomenon.
Use The pigment gives a neutral red color with a hue of 17.9 degrees (1/3SD,HDPE) and has excellent solvent resistance and chemical resistance properties. Mainly used for plastic pulp coloring and packaging printing ink, no migration in soft PVC, light-resistant Grade 6-7(1/3SD), heat-resistant 200 ℃, and C.I. Pigment yellow 83 or carbon black mosaic Brown; Used for polyacrylonitrile puree coloring, natural color light resistance is grade 7; Used for acetate fiber and polyurethane foam puree coloring; Can also be used for packaging ink, its solvent resistance, sterilization treatment performance is good, but because of the light resistance, weather fastness limits the use of a large number of common coatings.
mainly used for plastic coloring.

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Introduction

Pigment Red 208 is an organic pigment, also known as ruby pigment. The following is an introduction to the properties, uses, preparation methods and safety information of Pigment Red 208:

 

Quality:

Pigment Red 208 is a deep red powdery substance with high color intensity and good lightfastness. It is insoluble in solvents but can be dispersed in plastics, coatings, and printing inks, among others.

 

Use:

Pigment Red 208 is mainly used in dyes, inks, plastics, coatings and rubber. It is also commonly used in the field of art for painting and coloring.

 

Method:

Pigment Red 208 is usually obtained by synthetic organic chemical methods. One of the most common methods is the reaction of aniline and phenylacetic acid to generate intermediates, which are then subjected to subsequent processing and purification steps to obtain the final product.

 

Safety Information:

Inhalation or contact with the powdered substance of Pigment Red 208 must be avoided to avoid causing allergies or irritation.

During operation and storage, avoid contact with strong oxidants and acidic substances to prevent the formation of harmful substances.

When using Pigment Red 208, wear appropriate personal protective equipment such as gloves and a mask to protect the skin and respiratory system.

 


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