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Solvent Red 207

Solvent Red 207 (Transparent Red CHA) is a premium solvent dye developed for durable red coloration of polymers and fibers. It produces vivid, transparent-to-semi-transparent red tones while offering dependable heat tolerance and consistent dispersion in common polymer systems.

Part of the solvent-dye family, Solvent Red 207 is supplied as a fine powder designed to dissolve readily in organic carriers and polymer melts. Its combination of tinting power and processing stability makes it suitable for masterbatch production and direct melt coloring applications.

Key Features

  • Vivid red to transparent red color range
  • Good thermal stability under typical polymer processing conditions
  • Excellent tinting strength at low dosage
  • Low migration behavior in many plastic matrices
  • Uniform dispersion and repeatable shade control

Typical Applications

  • Plastics: PS, ABS, PMMA, PC, PET
  • Polymer masterbatches and concentrates
  • Transparent and semi-transparent molded parts
  • Synthetic fibers, especially polyester
  • Industrial and consumer plastic components requiring stable red shades

Technical Specifications

  • ‍CAS NO: 15958-69-6
  • CI.NO: 617001
  • Chemical Family: anthraquinone series
  • Molecular Formula: C26H30N2O2
  • Molecular Weight: 402.53
  • Shade: blue transparent red powder‍

Density(g/cm3)

1.29

Melting Point(°C)

243

Light Fastness

7-8

Heat resistance

350

Acetone

1.4

Butyl Acetate

0.3

Methylbenzene

2.7

Dichloromethane

5.3

Ethylalcohol

1.2

Package

20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye

Processing & Usage Recommendations

Addition rates vary by substrate and target shade — start with low dosing and increase incrementally. For melt coloration, pre-dispersed masterbatches or high-shear dispersion help achieve uniform color. Adjust processing temperature and residence time according to the polymer manufacturer's guidelines.

Always follow the supplier's technical data sheet for recommended dosing, dispersion methods and compatibility notes.

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