TDS of OB
Chemical Name: 2,2-(2,5-Thiophenediyl) Bis[5-(1,1-dimethylethy)]
Benzoxazole
Molecular Formula: C26H26N2O2S
Molecular Weight: 430
CAS No.: 7128-64-5
C.I.: 184
Structure type:
Appearance: light yellow or milk white powder
Melting point: 201-205℃
Appearance: Yellowish or yellowish green crystal powder
Assay: 99% min.
Melting Point: 196-203
Ash: 0.3% max.
Volatile Content: 0.3%max.
Particle size: 200 meshes
Max. Absorption Wavelength: 375nm(in ethanol)
Solubility: hardly soluble in water,but soluble in paraffin, mineral oils and ordinary organic solvents.
Application:
It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA, PE,PP, Paint, coating, printing ink and so on.
Packaging: 25KGS fiber drums within double PE bags.
Usage:
A good whitening agent for PVC,PS,PE,PP,ABS,ther-moplastic plastics,Acetate fiber,paint,coating and printing ink,etc.
TDS of OB-1
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Chemical Name
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Fluorescent Whitening Agent OB-1
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Property
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good effect, strong fluorescence
used in polyester, nylon and plastic
Property. good performence in HT and weather
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Main Indexes
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appearance yellow powder
Color light blue purple(similar to standard)
Purity≥98%
melting point≥359°C
Fineness >300mesh
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Characteristics and Uses
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used in polyester, nylon, polypropylene
used in PP, ABS, EVA, PS and PC
used in nomal polymerization of polyester and nylon
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Storing and Packaging
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1kg×12 or 2kg×5 carton , 20kg metal drum or following your demand , stored in dark , cool and dry place
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