Solvent Red 3 / Solvent Dyes
Solvent Dyes
Technical Information
CAS No.: 6535-42-8
Molecular formula: C18H16N2O2
Description
Solvent Red 3 is a high-performance solvent dye from Honor Pigments, engineered for reliable coloring of plastics and industrial materials. Detailed technical data, physical properties and application recommendations are provided below. Request TDS/SDS for full specifications.
Identification Information:
Color Index: Solvent Red 3
CAS No.: 6535-42-8
Molecular formula: C18H16N2O2
Product specification
Appearance Dark brown powder
Tinting Strength 100±3%
Shade Color Similar to the standard
Ash ≤ 1.0%
Moisture ≤ 1.0%
Color Differential Value ΔE ≤ 0.8
Technical Data
| Test Items | PS | ABS | SAN | PMMA | PC | R-PVC | PA6 | PET |
| Heat resistance temperature, ℃ | – | – | – | – | – | – | – | – |
| Migration resistance | – | – | – | – | – | – | – | – |
| Light fastness (0.05% dyes, transparent) | – | – | – | – | – | – | – |
Why Choose Honor Pigments?
- 🌍 Global Export Expertise — Trusted by customers in 40+ countries for consistent quality and reliable supply
- ✅ Strict Quality Control — ISO 9001 certified with batch-to-batch consistency and zero-defect policy
- 💰 OEM Production Advantage — Competitive pricing without compromising pigment performance
- 🧪 Technical Support — Free color matching, formulation advice and sample testing before bulk order
📩 Need more details?
Request TDS, SDS, or a free sample for testing.
Frequently Asked Questions
What is Solvent Red 3 used for?
Solvent Red 3 (CAS No.: 6535-42-8), molecular formula C18H16N2O2 is a solvent dye supplied as a dark brown powder, engineered for reliable coloring of plastics and industrial materials. Its published technical data covers styrenic resins (PS, ABS, SAN), acrylic (PMMA), polycarbonate (PC), rigid PVC (R-PVC), polyamide (PA6) and polyester (PET).
What are the key specification parameters of Solvent Red 3?
The published specification lists a coloring strength (tinting strength) of 100±3%, a color differential value ΔE of ≤ 0.8, an ash content of ≤ 1.0%, a moisture content of ≤ 1.0%, with shade similar to the standard for batch-to-batch consistency.
How do I request a TDS, SDS or sample of Solvent Red 3?
Full specifications for Solvent Red 3 are available on request. Contact the supplier to obtain the TDS/SDS or to arrange a free sample for evaluation before bulk ordering.