Pure Optical Brightener Ob-1 CAS 1533-45-5

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PRODUCTS DETAILS

Basic Info.

Model NO.
OB-1
Color Tone
Bluish / Reddish
Melting Point
360 Degree
Feature
High Temperature Resistance
Transport Package
25kg/Drum
Specification
400um
Origin
China
HS Code
32042000

Product Description

Pure Optical Brightener OB-1 CAS 1533-45-5
 
Product Name
Optical brightener OB-1(C.I. 393)
CAS No.
1533-45-5
EINECS No.
216-245-3
Other Name 4,4'-Bis(2-benzoxazolyl)stilbene
MF C28H18N2O2
Appearance Bright yellow / green crystalline powder
Purity ≥99%
Melting point 360~380 °C
Volatile: <0.5%
Package 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.
Application Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well 
as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU 
foaming together with coating, natural lacquer, etc. It also has specially good effect
on foaming plastics, especially EVA, PE foaming.

 
Dosage:

 
Optical brightener OB-1 is commonly used in the amount of 0.02-0.05%, that is, each 100kg of the materials, the optical brightener OB-1 takes 20g-50g or can be adjusted according to the requirements of the product or test
Properties
 
•     Colors appear more brilliant
•     Environmentally friendly
•     Excellent brightening ability
•     Produce a bluish tinge, masking yellowness
•     Whiter-than-white appearance.
 
Other name: Fluorescent brightener C.I.393
CAS NO: 1533-45-5

Appearance: Greenish yellow powder
Purity: 98.5%Min
Melting point: 355-360°C
Solubility: insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride
Properties: Does not dissolve in water, can dissolve in such high boiling point solvents as trichlorobenzene, diphenyl ether,etc.; Because this product has high melting point and strong stability,so it has very good heat resistance; Because this product's hydrophobic nature, so it has good light fastness; and for it has strong fluorescence, it can not only improve the whiteness of the products but also can improve the brightness, so it can be used as disperse dyes in the chemical fibre, can be used like oil dissolving coloring agent in the plastics.
Uses:
1.Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on.
2. Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS . EVA, polystyrene, polycarbonate, etc.
3. Suitable to be added into the conventional polymerization of polyester and nylon.
4. Especially suitable for whitening the plastics of elevated temperature.


Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5


Optical Brightener product range:
I.OPTICAL BRIGHTENER FOR PLASTICS/RUBBER/INK/COATING
Optical Brightener OB-1 C.I. 393 CAS NO.1533-45-5
Optical Brightener OB C.I. 184 CAS NO.7128-64-5
Optical Brightener FP-127 C.I. 378 CAS NO.40470-68-6
Optical Brightener KCB C.I. 367 CAS NO.5089-22-5
Optical Brightener KSN C.I. 368 CAS NO.5242-49-9
Optical Brightener EBF C.I. 185 CAS NO.12224-41-8
Optical Brightener ER-I C.I. 199 CAS NO.13001-39-3
Optical Brightener ER-II C.I. 199:1 CAS NO.13001-38-2
Optical Brightener ER-III C.I. 199:2 CAS NO.13001-40-6
II.OPTICAL BRIGHTENER FOR DETERGENT
Optical Brightener CBS-X C.I. 351 CAS NO.27344-41-8
Optical Brightener CXT C.I. 71 CAS NO.16090-02-1
III.OPTICAL BRIGHTENER FOR TEXTILE
Optical Brightener ER-330 C.I. 199 CAS NO.13001-39-3
Optical Brightener BA C.I. 113 CAS NO.12768-92-2
Optical Brightener BBU C.I. 113 CAS NO.16470-24-9
Optical Brightener CXT C.I. 71 CAS NO.16090-02-1
IV.OPTICAL BRIGHTENER FOR PAPER/PULP MAKING
Optical Brightener BA C.I. 113 CAS NO.12768-92-2
Optical Brightener BBU    C.I. 220 CAS NO.16470-24-9
V.OPTICAL BRIGHTENER FOR WOOL/ACRYLIC
Optical Brightener SWN    C.I. 140 CAS NO.91-44-1
Optical Brightener BAC  C.I. 363 CAS NO.95078-19-6

 
Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5 Pure Optical Brightener Ob-1 CAS 1533-45-5
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