Pigment red 48
Description
Pigment Red 48 (CAS 15782-05-5), a strontium-based azo pigment, delivers strong red coloration across a range of industrial substrates. Known commercially as PR48, it is valued for its bright masstone and good lightfastness.
The pigment offers excellent compatibility with both solvent and water-based systems. In printing inks, it is used in packaging applications where vivid red shades and acceptable heat resistance are required for flexographic processes.
Plastics compounders incorporate it into PVC and polyolefin formulations where cost-effective red coloration is needed at moderate processing temperatures. It ensures consistent performance during the extrusion and molding stages.
Textile and paper dyeing operations use it to achieve consistent red tones in surface coatings and pigment-printed fabrics. It provides a reliable solution for manufacturers seeking uniform color distribution across large batches.
Automotive refinish and industrial coatings formulators select it for decorative applications where bright red hue and opacity take priority. It is particularly effective in systems where high-performance durability is not the primary requirement.
The product is supplied as a dry powder, typically in press cake form for ink manufacturers requiring direct dispersion. Standard commercial grades are available in both full-strength and flushed variants to suit different workflows.
Technical-grade material is the predominant market specification for this chemical. Tinting strength and oil absorption values are documented per batch for formulator qualification to ensure strict quality control and consistency.
Physical Properties
| Density | 1.9[at 20℃] |
| Log P | -0.23 at 23℃ |
Documentation
Other Names
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, strontium salt (1:1)|Pigment Orange 34|strontium 2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]-4-chloro-5-methylbenzenesulfonate|Pigment red 48:3
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