Fluorescent Brightener 28(CAS 4193-55-9)
| Purity | Grade | Package | Stock | Price | Quantity |
| 95% | RG | 25G | In Stock | 15 USD
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| 95% | RG | 100G | In Stock | 28 USD
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| 95% | RG | 500G | In Stock | 93 USD
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| 95% | RG | 2.5KG | In Stock | 206 USD
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| 95% | RG | 25KG | In Stock | 1414 USD
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Your region is eligible for ordering. Available NMR Spectrum
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Applications of 4193-55-9
| Industry | Application | Process |
|---|---|---|
| Textiles | Used for optical brightening of synthetic fibers such as polyester and nylon to enhance fabric whiteness and color vividness | Post-dyeing finishing or immersion process |
| Papermaking | Added to pulp or surface sizing to improve paper whiteness and visual brightness | In-pulp addition or coating process |
| Detergents | Acts as an optical brightener in laundry powders and liquid detergents to enhance post-wash whiteness of garments | Formulation blending |
| Plastics | Used for optical brightening of plastics such as PVC and ABS to counteract yellowing of the base material and improve product appearance | Melt compounding or injection molding |
| Cosmetics | Used in trace amounts in certain skin-whitening skincare products (subject to safety compliance) to deliver immediate visual brightening | Low-temperature emulsification or mixing process |
Physical and chemical properties of 4193-55-9
Density |
1.37 g/cm3 在 20 ℃ |
|---|---|
Exact Mass |
960.23800 |
LogP |
5.04520 |
Melting Point |
290ºC |
Molecular Formula |
C40H42N12Na2O10S2 |
Molecular Weight |
960.94500 |
PSA |
344.02000 |
Solubility |
DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated) |
Stability |
Hygroscopic |
Storage condition |
Hygroscopic, Room Temperature, Under inert atmosphere |
Vapour Pressure |
0-0Pa at 25℃ |
Water Solubility |
10-48.2g/L at 20-26℃ |
Spectrums of 4193-55-9
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Cas:108-77-0
Cas:111-42-2
Cas:62-53-3
Cas:81-11-8
Q&A for CAS 4193-55-9
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download COA of 4193-55-9
Operate under the ISO 9001 system
