Pigment Red 81, cas# 12224-98-5


Molecular formula: C112H125MoN8O23PW

CAS registration number: 12224-98-5


P.R.81 affords a very clean bluish red shade, which matches the purple-red on the DIN 16 508 color scale for letterpress application and also on the DIN 16 509 off-
set scale. The shade is not accessible by using other pigments.

P.R.81 is used especially in three and four color printing and lends itself to various printing processes, therefore pigments of PR81 referred to as “Process
Red” in the USA.


Physical properties PH value Oil absorption Covering power The average particle size
6-8 70ml/100g Translucent 0.10
Fastness performance Heat resistant Lightfastness Acid-resistant surname Alkali resistance
160°C 5 5 5
Ink application  Offset printing ink Water-based ink Solvent ink UV ink
 X X X
Coating application  Waterborne coatings Paint printing Powder coating Industry coating
 X    X  X

●Suitable, ○ Limited suitability, – Not suitable, nt-Not tested *Specific information available on request

Handing and Safety: 

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet


Packed with plastic bag in composite plastic woven sack, Net 25kg/bag,1000kg/pallet, 10pallet/20’FCL,or according to customers’ requirements.


Pigment red 81 tds baoxu chemical.

Pigment red 81 MSDS baoxu chemical