Pigment Red 2

Pigment Red 2 is a neutral red pigment. Its shade is little yellower than PR112, but its light fastness is 0.5-1 grade lower. It has larger particle size, and lower transparency; Its main application is in packaging and offset inks, dyeing and textile printing. Pigment red is not so often used in the coloring of paint.

Product Details

Chemical information 

Color Index No: Pigment Red 2

Synonyms: 4-[(2,5-dichlorophenyl)azo]-3-hydroxy-n-phenylnaphthalene-2-carboxamide, Fast Scarlet F2R,4-(2,5-dichlorophenyl)azo-3-hydroxy-N-phenyl-

Molecular Structure:

Pigment Red 2 molecular

Molecular Fomula: C23H15Cl2N3O2 CAS No: 6041-94-7
Molecular Weight: 436.29 EINECS No: 227-930-1
Density(g/cm3): 1.5 Average particle size: 160
Specific surface: 33 Oil Absorption: 50-60
Melting point: 310℃ Chemical Class: Naphthol AS

Chemical resistance datas

Light fastness (Full) : 4 Ethanol : 3
Light fastness(tinting) : 4 Acid : 5
Heat stability (10min) : <140℃ Toluene : 2-3
Ethyl acetate : 3 Alkali : 5
Water : 5 Paraffine : 3-4

Applications

Ink

Sheetfed offset ink: ◭ Water-based ink: ▲
Heat set ink: ◭ NC ink: △
Cold set ink: ◭ Metal decorative ink: –
Gravure ink: – UV curing ink(offset): ▲
Silkscreen ink: – UV curing ink(Flexo): ▲
Coating Water based industrial paint: – Powder Coatings: –
Solvent based industrial paint: △ Automotive coatings: –
Water based decorative paint : – Wood coatings: –
Solvent based decorative paint: – Amine curing epoxy coatings: –
Coil Coating: – Textile printing: ▲
Plastic PE: – PA: –
PP: – PC: –
PVC: – Pom: –
ABS: – Rubber: –
PUR: – Fibers: –

Packing methods

25kgs craft bag with pallets; 7-8MT in 20’FCL