Pigment RED SY-211
C.I. Pigment Red 31
Chemical Class: Azo Naphthol Pigment (BON Arylamide)
CAS No.: 6448-96-0
EINECS No.: 613-418-6
Molecular Formula: C₂₅H₁₈N₄O₆
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1.Typical Physical and Chemical Properties
Pigment RED SY-211
| Property | Specification / Description |
| Appearance | Yellowish red powder |
| Hue | Medium to yellowish red |
| Density (g/cm³) | Approx. 1.4 – 1.6 |
| Oil Absorption (g/100g) | Approx. 40 – 60 |
| Specific Surface Area (m²/g) | 10 – 30 (dependent on particle size distribution) |
| Lightfastness (1-8) | 5-6 (Good) |
| Heat Resistance (°C) | 160 – 180 |
| Water Resistance (1-5) | 4-5 (Good) |
| Oil Resistance (1-5) | 4 (Good) |
| Acid Resistance (1-5) | 3-4 (Moderate to Good) |
| Alkali Resistance (1-5) | 3-4 (Moderate to Good) |
*(Note: 1=Poor, 5=Excellent; Actual performance depends on application media and processing conditions)*
2.Application Characteristics
Primary Applications:
Paints & Coatings: Used in industrial coatings, decorative paints, and latex paints. Provides a full, yellowish red shade.
Plastics Coloring: Suitable for PVC, polyolefins (PP, PE), rubber, etc. Note its heat resistance and migration properties in plastics.
Inks: Can be used in certain types of printing inks.
Others: Can be used for textile printing, stationery, and other polymer materials.
Who are we?
Our headquarters is located in Qingdao, Shandong Province, China. We started operations in 2008 and our products are sold to East Asia (15.00%), Eastern Europe (10.00%), domestic market (5.00%), South Asia (5.00%), Southern Europe (5.00%), Northern Europe (5.00%), Central America (5.00%), Western Europe (5.00%), North America (5.00%), Middle East (5.00%), Oceania (5.00%), Africa (5.00%), Southeast Asia (5.00%), South America (5.00%).
How can we ensure quality?
Before large-scale production, a pre-production sample is always made;
Final inspection must be conducted before shipment;
What products can you provide for us?
Resin, curing agent, pigment, color paste
What services can we provide?
Accepted delivery terms: FOB, CFR, CIF, EXW, express delivery;
Accepted payment currencies: US dollars, euros, RMB
Accepted payment methods: wire transfer, cash;
Used languages: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Italian
What is the packaging price?
The exact price will depend on your purchase quantity. We can offer you the most favorable price.
How can we obtain samples and what is the cost?
Regarding samples: They are free. You only need to pay for the shipping cost. For custom samples, we can design them according to your information and requirements. The production time of the samples is approximately 3 to 5 days.
What is your payment method?
You can use methods such as TT/PAYPAL. For small transactions below $1000, we prefer 100% advance payment. For larger transactions, we require a 80% deposit to be paid before shipment.
How can we pick up the goods from your factory?
You can choose air freight or sea freight. If the quantity is small (total packaging volume is less than 1 cubic meter), we recommend air freight, which takes approximately 5 to 7 days. If the quantity is large, we recommend sea freight. It takes approximately 20 to 30 days. If you have your own freight agent to handle the transportation, it will be more convenient. If not, we have professional freight agents who can provide assistance for you.
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