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| Customization: | Available |
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| CAS NO.: | 2512-29-0 |
| Formula: | C17h16n4o4 |
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| Product Name | Fast Yellow G; Hansa Yellow G; Pigment Yellow 1 | |
| Color Index No | C.I.P.Y 1 | |
| Chemical Composition | C17H16N4O4 | |
| CAS No. | 2521-29-0 C.I.11680 | |
| EINECS | 219-730-8 | |
| Testing Indicators | Parameter | |
Quality Standard |
Appearance | Yellow powder |
| Tinting Strength | 95-105% | |
| Oil Absorption | 25-35g/100g | |
| Water soluble | ≤1.5% | |
| Volatile matter at 105ºC | ≤2.0% | |
| Residue on sieve (400μm sieve) | ≤5% | |
| Relative density | 1.3g/cm3 | |
| PH value/(10% slurry) | 6.0-7.0 | |
| Heat resistance | 160ºC | |
| Light resistance | ≥7 level | |
| Weather resistance | 5 level | |
| Acid and alkali resistance | 5 level | |
| Sales Packing | In 25kg paper bag / We provide customized packaging specifically designed to fulfill every customer's needs. | |
| Matters Needing Attention | Protect against weathering/store in a dry place. | |




Welcome to Cala Technology (Guangdong) Co., Ltd., a trusted manufacturer of pigments. Our products are widely used across various industries, including coatings, plastics, rubber, Wood & Biofiber Plastic Composites(WPC) inks, and textiles. We are committed to providing our customers with vibrant colors and exceptional quality.
Services & Support
Global Expertise: Exported to 30+ countries, trusted by clients in Europe, the Americas, and Asia.
Contact us now to request a free sample and experience the superior quality of our products!



1. Certified Quality: ISO 9001-certified manufacturing with rigorous quality checks.
2. Expert Support: Dedicated technical team for after-sales service.
3. Competitive Pricing: Direct factory pricing with no middlemen.
4. Samples Available: Test our product risk-free with free samples (terms apply).
5. Customizable: Personalized customization based on your needs.