2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS NO.1533-45-5

product name:

2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole

synonyms:

optical brightening agent ob-1 c. i. 393

cas no:

1533-45-5

einecs:

216-245-3

molecular formula:

c28h18n2o2

molecular weight:

414.45

physical properties:

bright yellow cystal powder

specification:

specifications

product name:optical brightener ob-1
appearance:greenish yellow granules

synonyms: 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole; fluorescent brightener ob-1; fluorescent brightener 393; 2,2-(4,-4`-vinyl biphenyl)dual benzoxazole
cas no.:1533-45-5
structural no.: c.i.393
molecular formula: c28h18n2o2

structural formula:

molecular weight: 414.4
appearance: greenish yellow granules

melting point:353-359oc

assay:99% min

package: packed in 25kgs fiber drum with double pe liners, or according to customers' request.

applications:optical brightener ob-1 is the best whitening agent for polymer fiber,and it is also widely used in plastics,such as pp,abs,ps,hips,pa,pc,eva,rigid pvc etc

storage:

should be stored in cool and dry place.