Pigment RED SY-203
C.I:Pigment Red 8
Chemical Class: Monoazo (Naphthol AS Series)
CAS No.: 6410-30-6
EINECS No.: 229-094-3
Molecular Formula: C₂₀H₁₆N₄O₅
Share
1. TYPICAL PROPERTIES
Pigment RED SY-203
| Property | Typical Value / Description |
| Color / Shade | Bright medium red, bluish red (magenta) |
| Density (at 20°C) | ~ 1.45 – 1.55 g/cm³ |
| Oil Absorption | ~ 40 – 60 g/100g |
| Specific Surface Area | Medium |
| Lightfastness (1:1 SD) | Moderate (4-5 on Blue Scale). Significant fading in deep reductions (1:5 SD). |
| Weatherfastness | Poor to Moderate. Not recommended for long-term exterior exposure. |
| Heat Stability | Moderate (~ 160 – 180 °C). Not suitable for high-temperature engineering plastics. |
| Migration Resistance | Good in most polymer systems. |
| Solvent Resistance | Moderate. May show slight bleeding in strong polar solvents. |
| Acid/Alkali Resistance | Resistant to weak acids and weak alkalis. Unstable in strong alkaline conditions. |
| Opacity / Transparency | Semi-transparent to Semi-opaque |
(Note: SD = Standard Depth)
2. APPLICATIONS
Pigment Red 8 is a classic, cost-effective organic red pigment widely used in general industrial applications where the highest durability is not required.
Paints & Coatings: Air-drying alkyd paints, emulsion paints (latex), and indoor decorative coatings. Not recommended for high-performance industrial or automotive coatings.
Plastics: Coloring of PVC, LDPE, PU, and other polymers with processing temperatures within its stability range.
Inks: Flexographic inks, gravure inks, and inks for stationery and office supplies.
Others: Artists’ colors, colored pencils, wax crayons, and other general industrial coloring.
3.ADVANTAGES & LIMITATIONS
Advantages:
Bright and intense color hue.
Excellent cost-performance ratio.
High tinting strength.
Good dispersibility in most common media.
Limitations:
Moderate lightfastness and weatherability, especially in tints.
Limited heat resistance.
Not suitable for applications requiring high chemical or solvent resistance.
Question 1: 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%).
Question 2: How can we ensure quality?
Before large-scale production, a pre-production sample is always made;
Final inspection must be conducted before shipment;
Question 3: What products can you provide for us?
Resin, curing agent, pigment, color paste
Question 4: 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
Question 5: What is the packaging price?
The exact price will depend on your purchase quantity. We can offer you the most favorable price.
Question 6: 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.
Question 6: 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.
Question 8: 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.
Related products
Enhance Your Formulation Performance
To maximize the performance of our products, we recommend using professional chemical additives. Visit our partner website to explore high-efficiency solutions: rk-chem.com.
SALES NETWORK
shipping
Available global shipping
CUSTOMIZED SERVICE
Get Custom Services with a Free Consultation.
BUYING GUIDE
Make Informed Choices with Our Comprehensive Buying Guide
help
Need Help? Just Contact Us Crystal@rk-chem.com