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Pigment Red 179 CAS 5521-31-3

Chemical Property:

Molecular Formula C26H14N2O4
Molar Mass 418.4
Density 1.594±0.06 g/cm3(Predicted)
Melting Point >400°C
Boling Point 694.8±28.0 °C(Predicted)
Flash Point 341.1°C
Water Solubility 5.5μg/L at 23℃
Vapor Presure 3.72E-19mmHg at 25°C
Appearance powder
Color Orange to Brown to Dark purple
Maximum wavelength(λmax) ['550nm(H2SO4)(lit.)']
pKa -2.29±0.20(Predicted)
Storage Condition Room Temprature
Refractive Index 1.904
Physical and Chemical Properties solubility: slightly soluble in tetrahydronaphthalene and xylene; Purple in concentrated sulfuric acid, brown-red precipitate after dilution; Purplish red in alkaline sodium hydrosulfite solution, turning dark orange in case of acid.
hue or shade: Dark Red
relative density: 1.41-1.65
Bulk density/(lb/gal):11.7-13.8
average particle size/μm:0.07-0.08
specific surface area/(m2/g):52-54
oil absorption/(g/100g):17-50
hiding power: transparent
diffraction curve:
reflection curve:
Use Used in industrial construction, automotive coatings, printing ink, polyvinyl chloride plastic and other coloring
The pigment is the most industrially valuable pigment varieties in perylene Red series, giving bright red, mainly used for automotive primer (OEM) and repair paint, and other inorganic/organic pigment color matching, the quinacridone hue is extended to the yellow red area. The pigment has excellent light resistance and weather fastness, even better than substituted quinacridone, heat stability of 180-200 ℃, good solvent resistance and Varnish performance. There are 29 types of products put on the market.

Product Detail

Product Tags

Hazard Symbols Xi – Irritant
Risk Codes 36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description 26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany 3
RTECS CB1590000

 

Introduction

Pigment red 179, also known as azo red 179, is an organic pigment. The following is an introduction to the properties, uses, manufacturing methods and safety information of Pigment Red 179:

 

Quality:

- Color: Azo red 179 is dark red.

- Chemical structure: it is a complex composed of azo dyes and auxiliaries.

- Stability: Relatively stable over a certain range of temperature and pH.

- Saturation: Pigment Red 179 has a high color saturation.

 

Use:

- Pigments: Azo red 179 is widely used in pigments, especially in plastics, paints and coatings, to provide a long-lasting red or orange-red color.

- Printing inks: It is also used as a pigment in printing inks, especially in water-based and UV printing.

 

Method:

The preparation method generally involves the following steps:

Synthetic azo dyes: Synthetic azo dyes are synthesized from appropriate raw materials through chemical reactions.

Addition of an adjuvant: The synthetic dye is mixed with an adjuvant to convert it into a pigment.

Further processing: Pigment Red 179 is made into the desired particle size and dispersion through steps such as grinding, dispersion and filtration.

 

Safety Information:

- Pigment Red 179 is generally considered to be relatively safe, but the following should be noted:

- Skin irritation can occur on contact, so gloves should be worn when operating. In case of contact with skin, wash immediately with soap and water.

- Avoid inhaling dust, operate in a well-ventilated environment, and wear a mask.

- Avoid eating and swallowing, and seek medical attention immediately if inadvertently ingested.

- If there is any concern or discomfort, discontinue use and consult a physician.

 


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