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| Customization: | Available |
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| CAS NO.: | 1533-45-5 |
| Formula: | C28h18n2o2 |
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Optical brightener
Optical brightener is a kind of fluorescent dye, or white dye, which is also the general name of a class of compounds. Its characteristic is that it can stimulate incident light to produce fluorescence, causing the dyed substance to achieve a sparkling effect similar to fluorite, making the substance visible to the naked eye very white.
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Item
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Value
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Product name
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Optical Brightener Agent
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Other Name
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Fluorescent brightener,Fluorescent Whitening
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CAS NO.
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1533-45-5
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EINECS No.
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216-245-3
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Appearance
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Yellowish green powder
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Application
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Paper, plastic, leather, detergent, dyeing and other industries
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Grade
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Industry Grade
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Main Products(%wt)
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≥99
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Melting Point(ºC)
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328.6
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Fineness(μm)
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Pass
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Ash Content(%wt)
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0.29
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Moisture Content(%wt)
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0.2
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Sample
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Free
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Package
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25 kg/bag,25 kg/drum,customized packaging.
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Appearance
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Yellow-green crystal powder
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Content
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99%
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Melting Point
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357-361ºC
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Volatile content
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≤0.5%
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Molecular Weight:
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414.4
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Max UV Absorption Wavelength:
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374 nm
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Max Optical Emitting Wavelength:
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434 nm
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Appearance
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Light-yellow-green crystal powder
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Content
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99%
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Melting Point
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216-222ºC
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Volatile content
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≤0.5%
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Color light
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Blue-Violet Light
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CAS NO
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40470-68-6
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Decomposition temperature
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280ºC
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Appearance
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Yellow-green crystal powder
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Content
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99%
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Melting Point
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190-200ºC
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Volatile content
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≤0.5%
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Color light:
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Blue Light
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| CAS NO |
7128-64-5
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Decomposition temperature :
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220ºC
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Appearance
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Yellow-green crystal powder
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Content
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99%
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Melting Point
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210-212ºC
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Volatile content
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≤0.5%
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Color light:
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Blue-Violet Light |
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CAS NO:
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5089-22-5
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Decomposition temperature :
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250ºC
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Optical brightener OB is one of the whitening agents used in plastics and chemical fibers. It can be used in thermoplastic plastics, PVC, polystyrene, polyethylene, polypropylene, ABS, acetate fibers, as well as varnish, paint, white enamel, paint and ink.This whitening agent has the characteristics of heat resistance, weather resistance, non yellowing, and good color brightness. It can be added to monomer or prepolymer materials before or during polymerization, condensation, and addition, and can also be added to plastics and Synthetic fiber before or during forming in the form of powder or particle (i.e. color master batch).
Application area:
1. Used in high temperature of all kinds of plastic and plastic products processing.
2. It has good heat resistance, light resistance and bleaching properties.
It is used in the whitening of polyester fiber, cotton and other fiber blended fabric, and can be used in polyester original solution whitening.
3. It can also be used for plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC,etc.
Packaging:plastic paper bag for external packaging, PVC plastic bag for intemal packaging, net weight of each bag is 20KG or 25KG.
Storage: rain proof and sun proof, fire proof and damp proof,airtight and ventilated.
Transportation: transported as moisture-proof ordinary chemicals.
our company is a large comprehensive enterprise, it is engaged in the R & D, production,sales trade for chemical industry. We have been in this line for almost 20 years. Our facilities areworld advanced, like the Germany imported production line, Modern aseptic production workshop,fully automatic packing machine, stereos/copic warehouse and advanced lab. So quality goods, competitive price,prompt delivery, stable supply and good after- sales service can be guaranteed. Nowadays, our business scope has been extended to more than 50 types in 6 series,it is water treatment chemical, coating, solvent, detergent chemicals , PVC additives and Food additives). Chemical materials has been popularly selling worldwidely and the sionwin brand has become a shining business card for our company.With morour company is one of the premier Supplier.Our aim is to provide customers the high quality products, most competitive pricing, the shortest delivery time and the unequaled service. To reach this, we keep our advantages:
+10 years experience
With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements.
Consistent Quality Our plant has strict quality control in each manufacturing process. Our goods passed BV,ISO9001 which quality can be control and guaranteed. Meanwhile all the materials are tested before each shipment in our laboratory to double confirm the quality.
Most competitive pricing
With more than 10 years working experience, we always offer the most competitive pricing to customers to help lower their cost in application.
Shortest delivery time
90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C.
our factory have five production lines and one backup production line,can support any urgent orders.
Respond in 24 hours to inquiry, feedback or other requirements
Our experienced staff is dedicated to answer all of your inquires, feedback or other requirements in 24 hours.
1.Q:Are you a factory or trading company?
A:We have owned factory.
2. Q: What documents you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA, Origin certificate etc.PLS let us know if your markets have any special requirements.
3. Q: What is loading port?
A: Usually is Qingdao. Shanghai,Tianjin.
4.Q:What is the payment terms?
A: L/C ,T/T,Western Union,Paypal,Escrow.
5. Q:How can I get some samples?
A: Kindly send us your address, we are honored to offer you samples.Sample Time:5-7 days
6. Q:How does your factory do regarding quality control?
A:Our factory has gained BV, ISO9001 2008, SGS authentication
7. Q: What is your MOQ?
A: Our MOQ is 20'FCL for each product
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