2, 2′-Benzene-1, 4-Diylbis (4H-3, 1-benzoxazin-4-one) CAS 18600-59-4 Cyasorb UV-3638

• CAS No.: 18600-59-4
• Formula: C22h12n2o4
• EINECS: 418-280-1
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Synthesis
• Model NO.: SUREST-157
• Content: Standard
• Usage: Laboratory Reagents, Analytical Reagents, Diagnostic Reagents, Teaching Reagents
• Source: Dry Powder
• Habit Appellation: Special Reagent
• Application: Industry, Scientific Research, Health, Environmental Protection, Agriculture
• Property: Organic Reagent
• Molecular Weight: 368.34
• Melting Point: 522.8°c at 760 Mmhg
• Shelf Life: 2 Years
• Stock: Available
• Transport Package: 1kg/Bag or 25kg/Drum
• Specification: 98%min
• Trademark: Surest
• Origin: China
• HS Code: 2933990099
• Production Capacity: 1000 Tons Yearly

Product Description

2,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one)
 

Name	2,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one)
Synonyms	Cyasorb UV-3638
Molecular Structure
Molecular Formula	C22H12N2O4
Molecular Weight	368.34
CAS Registry Number	18600-59-4

Chemical Property:
White crystal or powder.


Main Uses:
1.As a highly efficient UV absorber, it is mainly used in engineering plastics, especially PET and PBT.


2.It can absorb 200-400 nm ultraviolet light, and the absorption peak is 350 nm. The absorption range covers UVA, UVB, UVC, the absorption efficiency is several times that of commonly used ultraviolet absorbers, and the thermogravimetric temperature is as high as 371 degrees Celsius. It has the characteristics of high temperature resistance, extraction resistance, low volatilization, low migration, wide absorption range, high absorption efficiency, delay color yellowing, block physical loss and so on. It is suitable for PET, PBT, PAR, PES, PSU, PPO, PC, PA under high temperature processing, especially for transparent PET film, sheet, plate, transparent PC film, sheet, plate, optical film, optical lens, light diffuser plate. The general dosage is 0.1-0.5%.


 

Detailed Photos

 

 

FAQ

 

FAQ
Question 1: Can I get samples?
Answer: Yes,you can get free samples of our most products,
while the courier cost will be borne by the buyers.

Question 2: What's your MOQ?
Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;
for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.

Question 3: What's your delivery time?
Answer:
Orders shipped by express delivery,the delivery time is usually 5~7 working days;
Orders shipped by air transport,usually around 7~10 working days;
Orders shipped by sea , usually around 2~3 working weeks.

Question 4: What are the different payment methods?
Answer: We usually accept T/T, L/C and Western Union.

Question 5: How do you treat quality complaint?
We take quality very seriously, it is one of the founding principles of our business.
 If the quality problem actually exists, we will replace with qualified goods or refund the money.