Pigments & Colorants
REACH
Pigment Red 48
CAS Number
7585-41-3
EC Number
231-494-8
What is Pigment Red 48?
Pigment Red 48 (CAS 7585-41-3), also marketed as Pigment Red 48:1 in its barium salt form, is an azo pigment delivering strong red hues across industrial substrates.
Where is Pigment Red 48 used?
- Printing inks: offset, flexographic and gravure formulations with high tinting strength and sharp red tones on paper and packaging
- Plastics: vivid red coloration of polyolefins and PVC in consumer and industrial goods
- Surface coatings: solvent-based and water-based systems
- Textile and paper: surface dyeing and pigment printing where opacity and batch-to-batch color consistency matter
- Standard grades are differentiated by salt form for specific uses.
Good to know: The barium lake variant (PR 48:1) is the most commercially prevalent.
Commercial specifications
- Particle size distribution and oil absorption values provided for screening
Other Names (Synonyms)
Pigment red 48 barium|Barium(2+);2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]-4-chloro-5-methylbenzenesulfonate|Pigment red 48:1
What are the physical properties of Pigment Red 48?
Density 2[at 20°C]