Pigment RED SY-238
CI : Pigment Red 170
Chemical Class: Monoazo Pigment (Naphthol AS-type)
CAS No.: [2786-76-7] (Transparent Type), [1248-18-6] (Opaque Type)
EINECS No.: 220-491-7
Molecular Formula: C₂₆H₂₂ClN₃O₅
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1.Typical Physical and Chemical Properties
Pigment RED SY-238
| Property | Specification / Description |
| Appearance | Bluish-red powder |
| Hue | Medium to bluish red (exists in transparent and opaque versions) |
| Density (g/cm³) | Approx. 1.4 – 1.6 |
| Oil Absorption (g/100g) | Approx. 45 – 65 |
| pH Value (10% slurry) | 6.5 – 8.0 |
| Lightfastness (1-8) | 7-8 (Excellent) |
| Heat Resistance (°C) | 200 – 220 |
| Water Resistance (1-5) | 5 (Excellent) |
| Oil Resistance (1-5) | 5 (Excellent) |
| Acid Resistance (1-5) | 4 (Good) |
| Alkali Resistance (1-5) | 4 (Good) |
*(Note: 1=Poor, 5=Excellent; Performance varies between transparent and opaque types)*
2. Application Characteristics
Primary Applications:
Plastics Coloring: Excellent performance in engineering plastics (ABS, PC, PS, PMMA), polyolefins (PP, PE), and PVC. Offers excellent heat stability.
Coatings: Widely used in automotive coatings, industrial coatings, and powder coatings. Excellent weather resistance.
Printing Inks: High-quality packaging inks, decorative inks, and printing applications requiring good fastness properties.
Artistic Colors: Used in artists’ paints and printing inks.
Key Advantages:
Clean bluish-red shade
Excellent heat resistance (suitable for engineering plastics)
Very good lightfastness and weather resistance
Good chemical resistance
Available in transparent and opaque forms
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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