Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5
Optical Brightener OB CAS 7128-64-5

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Optical Brightener OB CAS 7128-64-5

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Model No. : VK-CHC-052
Brand Name : Volksky
classification : Chemical Auxiliary Agent
CAS No. : 7128-64-5
MF : C26h26n2o2s
EINECS No. : 230-426-4
Brand Name : Volksky
Melting Point : 199-201 °C(lit.)
Boiling Point : 531.2±45.0 °C(Predicted)
Density : 1.26
Flashing Point : 560.2°c
Storage : Keep in dark place,Sealed in dry,Room Temperature
place of origin : China
Types of : Adsorbent,Carbon Black
Application field : Coating Auxiliary Agents,Rubber Auxiliary Agents,Electronics Chemicals,Surfactants,Textile Auxiliary Agents,Leather Auxiliary Agents,Paper Chemicals,Water Treatment Chemicals,Petroleum Additives,Plastic Auxiliary Agents
Product Name : Optical brightener OB
Other Names : 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene
Purity : 99%
Place of Origin : Jiangsu, China
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2yrs

Wuxi, Jiangsu, China

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Product description

2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene is used for whitening treatment of PVC, polystyrene, ABS resin, polyolefin and polyester, also used for whitening of acetate, polymethyl methacrylate, foam artificial leather. It is also used in varnishes, paints, UV-curable coatings, printing inks, fats, oils, and packaging materials. Apply this product in printing ink for anti-counterfeit mark. It can be used in photography to improve the whiteness of the non-image area of the photo, and can make the photo transform into fluorescence when exposed to ultraviolet light. Produce whitening and lightening effect.

Item Specifications
Appearance Slight greenish yellow powder
Content (HPLC) 98% min
Melting point 198~203℃
Ash content 0.5% max
Volatile matter 0.5% max


Optical brightener OB 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene


FAQ

1、When will my goods be shipped? 

      -- About 3〜5 days after prepayment is paid.

2、Can I get a sample? 

      -- Free samples are available, but buyers needs to pay freight.

3、How long does it take for me to get a sample? 

      -- It depends. Generally speaking, it is about 7-10 days.

4、Why is the quote offered different from the sticker price? 

      -- As we know, prices of chemicals are not fixed, they fluctuate with the markets.

5、Is the quality of your products guaranteed? 

      -- We have a professional R&D team, so every batch of our products is up to standard.

WHY CHOOSE US

1. With a seasoned R&D team, we are experienced in producing multiple chemicals over the past ten years. 

2. Tailor-made packing can also be available according to your specific requirment. 

3. Fast response. Every inquiry will be answered within 24 hours. 

4. Prompt delivery. We have worked with many forwarding companies for years. 

5. Good quality, we have a strict quality control system.

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