Benzophenone-4 (UV-284)
CAS NO : 4065-45-6
Molecular Formula : C14H11O6S
Synonyms : 2-Hydroxy-4-methoxybenzophenone-5-sulfonic Acid Hydrate; BP-4; 2-Hydroxy-4-Methoxy Benzophenone-5-Sulfonic acid;UV-284;
Item | Specification |
Appearance | White or light yellow powder |
Melting point | ≥ 140 ºC |
Loss on drying | ≤ 5.0 |
Assay | ≥ 99.0% |
PH value | 1.2-2.2 |
Water solution degree of turbidity | ≤ 4.0EBC |
Hazen | ≤ 2.0 |
Heavy metal | ≤ 5ppm |
Main packaging method
:
Plastic drum Fiber drum Carton Aluminum foil bag
Fluorinated bottle
Shanghai Dumi Biotechnology Co., Ltd. is a professional manufacturer and exporter of chemical raw materials and chemical products such as API, pharmaceutical intermediates and organic intermediates.
The factory has several standard production workshops and warehouses for raw materials and finished products, with an annual production capacity of thousands of tons.
Product quality is stable and reliable.
We sincerely look forward to cooperating with you with high quality products and satisfactory service.
1. When will you deliver the goods?
If we have inventory, generally we can arrange shipment after receipt of payment 2 to 3 days. If not, it will be decided by the time of the factory production
.
2.Is there any discount ?
Yes, we can consider to give you a discount for first deal and regular order and for good payment.
3.what payment terms do you accept ?
we'd like to accept bank transfer, Western Union or BTC.
4.Can you supply relative document?
Of course, we can supply MSDS, COA, commerical invoice, packing list, B/L... If your markets have any special requirements, pls just let me know !
5 .Why did you choose us?
(1)We can provide Consistent, high-quality products ,
(2)we have strong technical support
(3) we have competitive and reliable price of the products
(4)We can provide excellent and fast customer service.
If you have any other questions for me. Please feel free to contact us.