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Direct Red 81, with CAS number 2610-11-9 and molecular formula C29H19N5Na2O8S2, is a sodium salt azo dye supplied as a red powder by Sparrowings International. It is primarily used in ink and paper dyeing applications due to its high color yield and compatibility with aqueous systems. The product is offered in powder form, with no stated minimum order quantity, suggesting flexibility for small or trial orders.
The dye belongs to the direct dye family and is engineered for water-based systems. Standard industry specifications for similar azo dyes include a moisture content under 5%, a particle size range of 5-30 microns, and pH stability between 6 and 8. No certifications are claimed. The dye is not intended for food, pharmaceutical, or textile applications requiring colorfastness to light or washing.
Buyers in the packaging ink, label printing, and paper coloring industries commonly use Direct Red 81 for its vibrant hue and ease of dispersion. It is suited for offset, flexographic, and screen printing inks. Packaging is in sealed plastic bags, likely in 25kg units. Trade terms are not specified, but delivery is assumed to be from Ahmedabad, Gujarat, with lead times subject to production cycles.
| Chemical Name | Direct Red 81 |
| CAS Number | 2610-11-9 |
| EINECS Number | 220-028-9 |
| Molecular Formula | C29H19N5Na2O8S2 |
| Appearance | Red powder |
| Solubility | Soluble in water, forming a red solution |
| Moisture Content | Typical maximum 5% (standard for direct dyes) |
| Particle Size | Typical range 5-30 microns (standard for ink-grade dyes) |
| pH of 1% Solution | Typical range 6.5 to 7.5 (standard for neutral direct dyes) |
| Packaging | Sealed plastic bags, likely 25kg units |
Sparrowings International is based in Ahmedabad, Gujarat, and presents as a supplier of industrial dyestuffs under its own brand name. The company has no listed certifications, production facilities, or third-party audits. The trust tier is harbor, indicating basic registration, but no response rate or average reply time is provided, suggesting minimal buyer interaction or customer support infrastructure.
The supplier does not disclose its manufacturing capacity, workforce, export volume, or client references. No history of operation or years in business is stated. The listing focuses solely on product attributes and does not mention quality control procedures, R&D, or compliance with international standards. Buyers must treat this as a product reseller or small-scale manufacturer without verified production systems.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before ordering Direct Red 81 from Sparrowings International, confirm the CAS number and molecular formula match your specifications. Request a batch-specific Certificate of Analysis for moisture, particle size, and pH. Ensure the dye is free from banned aromatic amines, especially if used in packaging. Insist on batch traceability and supplier documentation, even if not certified.
Logistics are assumed to be FOB Ahmedabad, with lead times not specified. Payment terms are not listed, but T/T in advance is common. Buyers must confirm Incoterms, packaging compliance with transport regulations, and whether the product is classified as hazardous under IMDG. Request a shipping manifest and safety data sheet before dispatch.
Upon receipt, inspect for moisture damage and test solubility in water. Perform a filtration test to detect insoluble particles. Conduct a small-scale ink formulation trial to check for nozzle clogging or color consistency. Retain a sample of each batch. Documentation should include a safety data sheet and, if possible, a chromatographic purity report.
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Direct Red 81 for your business, securing the right balance of quality and cost is essential. Sparrowings International, a verified supplier based in India, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $510/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Products sector with strong demand from importing countries worldwide.
Importing Direct Red 81 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sparrowings International offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Direct Red 81 has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Products category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Importing Direct Red 81 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Direct Red 81 from Sparrowings International is $510/Bags on FOB terms from India. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Sparrowings International through EximNext.
The supplier, Sparrowings International, has set a Minimum Order Quantity (MOQ) of 1 Bags for Direct Red 81. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Direct Red 81 depends on the specific grade and form. Contact Sparrowings International through EximNext for the exact HS Code and customs documentation required for your destination country.
To import Direct Red 81 from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Sparrowings International. Ensure you have the necessary import licenses for Products products in your destination country.
Yes, Sparrowings International is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Sparrowings International through EximNext.
Sparrowings International offers Direct Red 81 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Direct Red 81 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sparrowings International through our platform.
Sparrowings International maintains international quality certifications. These ensure that the Direct Red 81 meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sparrowings International will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Sparrowings International.
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