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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›Direct Blue 15 is a synthetic direct dye with CAS number 2429-74-5 and molecular formula C34H24N6Na4O16S4. It is supplied as a fine blue powder and classified under EINECS 219-385-3. This dye is optimized for ink applications and dyeing silk and cotton, offering good solubility and moderate shade depth. The formulation is designed for use in aqueous systems where consistent color reproduction is required.
As a direct dye, it attaches directly to cellulose and protein fibers without mordants. It exhibits better lightfastness than Direct Blue 1, particularly in silk, due to its molecular structure. Typical industrial grades contain less than 1.8% moisture and less than 0.4% insoluble residue. The dye is produced with controlled particle size to ensure even flow in inkjet systems and screen printing applications.
Buyers in the textile printing and specialty ink industries use Direct Blue 15 for high-precision applications such as silk scarves, digital textile prints, and security inks. Trade terms are generally FOB Ahmedabad, with packaging in 20kg or 25kg multi-layer polyethylene-lined bags. Buyers should validate dye compatibility with their printing equipment and substrate pretreatment process before bulk procurement.
| CAS Number | 2429-74-5 |
| EINECS Number | 219-385-3 |
| Molecular Formula | C34H24N6Na4O16S4 |
| Appearance | Fine blue powder |
| Solubility | Highly soluble in hot water, moderately soluble in cold water |
| Moisture Content | Typical maximum 1.8% |
| Insoluble Matter | Typical maximum 0.4% |
| Particle Size | Typical average under 80 microns |
| pH of 1% Aqueous Solution | Typical range 7.0 to 8.5 |
| Application Type | Direct dye for silk, cotton, and ink formulations |
Sparrowings International operates from Ahmedabad, Gujarat, and supplies dyestuffs to industrial buyers in Asia and the Middle East. The supplier is registered under the harbor trust tier, indicating basic compliance with export documentation standards. There is no public information confirming production capacity, years in operation, or third-party certifications such as ISO or REACH. The listing shows no response rate or average reply time, suggesting limited buyer engagement on the platform.
The supplier does not claim ownership of manufacturing facilities, nor does it list any laboratory testing capabilities or quality control protocols. Its role appears to be that of a trading entity sourcing from regional dye producers. Buyers should request material safety data sheets and batch-specific certificates of analysis directly before placing orders. No client names, export volumes, or production history are disclosed.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before ordering Direct Blue 15 from Sparrowings International, verify the batch-specific CAS and EINECS numbers match the supplier’s declaration. Request a Certificate of Analysis showing moisture content, insoluble matter, and heavy metal limits. Confirm the dye is intended for industrial use only and not for food, cosmetics, or pharmaceutical applications. Ensure the supplier provides SDS in English and local language if required for import clearance.
Logistics are typically handled via FOB Ahmedabad port, with lead times of 10 to 15 days after order confirmation. Payment terms are commonly T/T in advance or LC at sight. Packaging is in 20kg or 25kg multi-layer polyethylene-lined bags, stacked on wooden pallets. Buyers should specify Incoterms and request container loading photos to confirm handling integrity. No express shipping options are advertised.
Quality checks should include visual inspection for color uniformity, particle clumping, and foreign matter. Conduct a solubility test by dissolving 1g in 100ml hot water and filtering through 0.45μm membrane to check for insolubles. Request a UV-Vis absorption spectrum to confirm the dye’s peak absorbance aligns with the standard at approximately 595nm. Retain a sample from each batch for future shade matching and regulatory audits.
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When sourcing Direct Blue 15 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 Blue 15 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 online 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 Blue 15 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 B2B marketplace. Start your sourcing journey today.
Importing Direct Blue 15 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 Blue 15 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 Blue 15. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Direct Blue 15 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 Blue 15 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 Blue 15 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Direct Blue 15 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 Blue 15 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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