Import Optical Brightener Cbs-X (Oba 351) From Raytop — Buy in wholesale FOB from Supplier in China
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Optical brightener CBS-X (OBA 351) from Raytop
Raytop Chemical Co., Ltd supplies Optical brightener CBS‑X, also known as OBA 351, a stilbene‑based fluorescent whitening agent with the chemical formula C28H20Na2O6S2. The product is supplied as a yellow‑green crystal powder or granular form and is identified by CI 351 and CAS 27344‑41‑8. Its key optical properties include a maximum UV absorption wavelength of 348 nm and a 1 % extinction coefficient of 1140, delivering strong brightness enhancement for a range of applications.
In the textile, detergent and paper sectors this brightener is used to increase the apparent whiteness and colour vividness of finished goods. Typical industrial grades are formulated to a purity of at least 98 % and are stable across a pH range of 3‑10, making them suitable for both aqueous and solvent‑based processes. The agent is normally shipped in 25 kg fibre drums with a PE liner, a packaging choice that protects the material from moisture and UV exposure during handling and transport.
Potential buyers such as formulation chemists, detergent manufacturers and textile finishers should request the latest safety data sheet and batch‑specific analysis before committing to a purchase. The supplier does not disclose minimum order quantities, lead times or payment terms, so these details must be confirmed directly. Importers are advised to verify compliance with local chemical regulations and to arrange for appropriate customs classification.
| Chemical Formula | C28H20Na2O6S2 |
| CAS Number | 27344‑41‑8 |
| Maximum UV Absorption Wavelength | 348 nm |
| Extinction Coefficient (1 % concentration) | 1140 |
| Appearance | Yellowish‑green crystal powder or granular |
| Typical Purity | ≥ 98 % (typical) |
| Recommended Dosage Range | 0.1‑0.5 % of formulation (typical) |
| Solubility in Water | up to 0.5 g L‑1 at 25 °C (typical) |
| Package Size | 25 kg fibre drum with PE liner |
| Storage Temperature | 5‑30 °C (typical) |
Raytop Chemical Co., Ltd is based at No.3699 Huayuan East Road, Jinan, Shandong Province, China, postal code 250100. The company holds a harbour trust tier, indicating a verified status, though its response rate is recorded as 0 % and no average response time is listed. The public profile does not include details on production capacity, certifications or major client references, so these should be obtained directly from the supplier.
The firm specialises in chemical intermediates for the detergent, textile and paper industries, with a focus on high‑performance optical brighteners such as CBS‑X (OBA 351). It markets the product in bulk packaging suitable for large‑scale formulators, but does not publish specific quality certifications; interested buyers should request an analytical certificate and safety data sheet for each batch.
Optical brightener CBS-X (OBA 351) is a high-performance fluorescent whitening agent classified under C.I. 351 with CAS No. 27344-41-8, supplied by Raytop in yellowish-green crystal powder or granular form. With a maximum UV absorption wavelength of 348 nm and a 1% extinction coefficient of 1140, it delivers superior brightness enhancement ideal for detergents, textiles, and paper industries. This stilbene-based OBA is traded internationally in bulk packaging such as 25kg drums or 500kg big bags, making it a key import commodity for formulation manufacturers seeking consistent whitening performance at competitive pricing.
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Sourcing Optical brightener CBS-X (OBA 351) from Raytop Chemical Co., Ltd - China Import Guide
Importers should first confirm the exact purity and batch analysis of the brightener, requesting a certificate of analysis and safety data sheet to ensure compliance with local chemical safety standards. Verify that the product meets any relevant REACH or RoHS restrictions applicable in the destination market before finalising the order.
Shipping from China generally involves sea freight in containers, with the supplier able to arrange loading onto a vessel under FOB or CIF terms. Clarify the preferred Incoterm, expected transit time and any required documentation such as a commercial invoice, packing list and certificate of origin. Payment methods are typically negotiated per contract; common options include a letter of credit or advance payment, so discuss these with the supplier early.
To safeguard product quality, arrange for an independent laboratory test of UV absorption and purity on a pre‑shipment sample. Ensure that the shipment includes the batch‑specific analytical certificate, SDS and proper labelling for customs clearance. Conduct a visual inspection of the drum integrity upon arrival and confirm that storage conditions during transit have remained within the recommended temperature range.
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30 suppliersBuy Optical Brightener Cbs-X in Bulk — Verified Supplier in China
When sourcing Optical Brightener Cbs-X (Oba 351) From Raytop for your business, securing the right balance of quality and cost is essential. Raytop Chemical Co., Ltd, a verified supplier based in China, offers this product with key specifications including Commercial Grade OBA 351 / C.I. Fluorescent Brightener 351, Min. 98% active content; 1% Extinction Coefficient: 1140, and Yellowish green crystal powder or granular. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $13/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3204.20, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Optical Brightener Cbs-X Specifications, Trade Terms & Pricing
Importing Optical Brightener Cbs-X requires careful attention to shipping logistics, customs compliance, and secure payment terms. Raytop Chemical Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3204.20 in their destination country. 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.
About Raytop Chemical Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Optical Brightener Cbs-X 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 Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Optical Brightener Cbs-X — Shipping, Logistics & Customs
Importing Optical Brightener Cbs-X 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 for HS Code 3204.20 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Optical Brightener Cbs-X
What is the wholesale price of Optical Brightener Cbs-X (Oba 351) From Raytop?
The current listed wholesale price for Optical Brightener Cbs-X (Oba 351) From Raytop from Raytop Chemical Co., Ltd is $13/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Raytop Chemical Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Optical Brightener Cbs-X?
The supplier, Raytop Chemical Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Optical Brightener Cbs-X. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Optical Brightener Cbs-X (Oba 351) From Raytop?
For international shipping and customs clearance, Optical Brightener Cbs-X (Oba 351) From Raytop is classified under HS Code 3204.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Optical Brightener Cbs-X from China?
To import Optical Brightener Cbs-X from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Raytop Chemical Co., Ltd. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
Is Raytop Chemical Co., Ltd a verified supplier?
Yes, Raytop Chemical Co., Ltd 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.
What are the key specifications of Optical Brightener Cbs-X (Oba 351) From Raytop?
The key specifications for Optical Brightener Cbs-X (Oba 351) From Raytop supplied by Raytop Chemical Co., Ltd include Commercial Grade OBA 351 / C.I. Fluorescent Brightener 351, Min. 98% active content; 1% Extinction Coefficient: 1140, and Yellowish green crystal powder or granular. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Optical Brightener Cbs-X?
Raytop Chemical Co., Ltd offers Optical Brightener Cbs-X with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Optical Brightener Cbs-X the most?
Optical Brightener Cbs-X is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Raytop Chemical Co., Ltd through our platform.
What certifications does this Optical Brightener Cbs-X supplier hold?
Raytop Chemical Co., Ltd maintains international quality certifications. These ensure that the Optical Brightener Cbs-X meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Optical Brightener Cbs-X (Oba 351) From Raytop on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Raytop Chemical Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
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 Raytop Chemical Co., Ltd.
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