Solvent Red 179 / Solvent Dyes
Solvent Dyes
Technical Information
Color Index: Solvent red 179
Molecular formula: C22H12N2O
CAS No.: 89106-94-5
A yellow shade red with very good lightfastness and excellent heat resistance.
Description
Solvent Red 179 is a yellowish transparent red oil solvent dye.
It has good heat resistance and light fastness, good migration resistance and high tin Solvent Red 179 is widely recognized for its exceptional performance in various industrial applications. Its robust properties make it suitable for use in solvent-based systems where durability and color integrity are paramount. Additionally, the dye’s compatibility with different substrates enhances its versatility, allowing for effective formulation in coatings, inks, and plastics. Overall, Solvent Red 179 stands out as a reliable choice for achieving vibrant coloration in demanding environments. ting strength. Solvent Red 179’s equivalence is Red E2G.
It is recommended for plastics, PS PET PA PC ABS (polyolefin, polyester,polycabonate, polyamide ) etc. Also allowed to be used in polyester fiber (PET).
Identification Information:
Color Index: Solvent red 179
Molecular formula: C22H12N2O
CAS No.: 89106-94-5
Product specification
Appearance red powder
Tinting Strength 100±3%
Shade Color Similar to the standard,
Ash ≤ 1.0%
Moisture ≤ 1.0%
Color Differential ValueΔE ≤ 0.8
Density g/cm3 1.40
Melting Point ℃ 255
Technical Data
| Test Items | PS | ABS | SAN | PMMA | PC | R-PVC | PA6 | PET |
| Heat resistance temperature, ℃
(0.05% dyes, transparent) |
300 | 300 | – | – | 340 | – | – | 320 |
| Heat resistance temperature, ℃
(0.05% dyes + 1.0% Titanium dioxide) |
300 | 300 | – | – | 340 | – | – | 320 |
| Migration resistance | 5 | 5 | – | – | 5 | 5 | 5 | 5 |
| Light fastness (0.05% dyes, transparent) | 7-8 | 7-8 | – | – | – | 7-8 | – | |
| Weather resistance | – | – | – | – | – | – | – | – |
| Acid resistance (in 5% hydrochloric acid solution) | – | – | – | – | – | 5 | – | – |
| Alkali resistance (in 5% caustic soda solution) | – | – | – | – | – | 5 | – | – |
Application Profile
| PS | ● | PET | ● | PC | ● |
| AS | ● | PVC- R | ● | SAN | ● |
| ABS | ● | PVC-U | ● | ||
| PMMA | ● |
Note: ● = recommended ○ = potential use – = not recommended
Solvent red 179 solubility in organic solvent at 20℃(g/l)
| Acetone | Butyl Acetate | Methylbenzene | Dichloromethane | Ethylalcohol |
| 1.6 | 1.6 | 4.1 | 8 | 0.9 |
Recommended Dosage
Transparent: 0.05
Non-transparent: 0.08
Packaging:
Regular Packaging is in 25kgs paper drum, 450kgs/Pallet.
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 — Solvent Red 179
What is Solvent Red 179 used for?
Solvent Red 179 (Solvent Red 179) is an organic pigment supplied by Honor Pigments for printing inks, industrial coatings, plastics masterbatch, and textile printing. ISO 9001 certified quality with batch-to-batch consistency.
Is Solvent Red 179 suitable for water-based applications?
Yes. Solvent Red 179 can be formulated for water-based ink and coating systems when combined with proper dispersing and wetting agents. Contact Honor Pigments for application-specific grade recommendations.
What technical data is available for Solvent Red 179?
Full technical datasheets including heat resistance, light fastness, oil absorption, density, pH value, and particle size distribution are available upon request. Honor Pigments maintains 3-year batch records for QC traceability.
How does Honor Pigments ensure batch consistency for Solvent Red 179?
Every batch undergoes color strength, shade, dispersibility, and particle size testing against internal standards. Results are documented per ISO 9001 procedures and available with each shipment.