- Product Details
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Quick Details
-
MF:
-
C28H18N2O2
-
EINECS No.:
-
216-245-3
-
Place of Origin:
-
Shandong, China
-
Brand Name:
-
Kejian
-
Model Number:
-
KJ-1533-45-5
-
Storage:
-
Cool and dried condition
-
Package:
-
25kg/Drum
-
Sample:
-
Availiable
-
Shelf life:
-
2 Years
-
Certification:
-
COA MSDS TDS
-
Melting point:
-
>300 °C
-
Acidity (pKa):
-
1.45±0.10
Quick Details
-
CAS No.:
-
1533-45-5
-
Purity:
-
99% min.
-
Other Names:
-
OBA393
-
MF:
-
C28H18N2O2
-
EINECS No.:
-
216-245-3
-
Place of Origin:
-
Shandong, China
-
Brand Name:
-
Kejian
-
Model Number:
-
KJ-1533-45-5
-
Storage:
-
Cool and dried condition
-
Package:
-
25kg/Drum
-
Sample:
-
Availiable
-
Shelf life:
-
2 Years
-
Certification:
-
COA MSDS TDS
-
Melting point:
-
>300 °C
-
Acidity (pKa):
-
1.45±0.10
Products Description
Product Name:
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole / O
ptical BrightenerOB-1
CAS:
1533-45-5
MF:
C28H18N2O2
Appearance: Yellow-green powder
Assay: 99%
Specification
|
Item
|
Specification
|
|
Appearance
|
Yellow green crystal powder
|
|
Content
|
99%
|
|
Melting Point
|
357-361℃
|
|
Volatile content
|
≤0.5%
|
|
Molecular Weight
|
414.4
|
|
Max UV Absorption Wavelength
|
374 nm
|
|
Max Optical Emitting Wavelength
|
434 nm
|
Application
* 1). Optical Brightener OB-1 (YFG-OB1) is used to whiten various kinds of plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC.
* 2). Addition of optical brightener OB-1 can reach an excellent whitening effect.
* 2). Addition of optical brightener OB-1 can reach an excellent whitening effect.
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