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Home » Product Directory » Chemicals » Pigment & Dye » Optical Brightener OB

Optical Brightener OB

Optical Brightener OB
Optical Brightener OB
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Product Description

Fluorescent Whitening Agent OB C. I. 184
Chemical name: 2. 5-bis (5-tertbutyl-2-benzoxazolyl) thiophene
Molecular formula: C26H26SO2N2
Molecular weight: 430. 575
CAS No.: 7128-64-5
C. I: 184
SYNONYMS: Fluorescent Whitening Agent OB, C.I.184, CAS No.: 7128-64-5, Optical Brightener OB, Fluorescent Brightener OB, Optical Brightening Agent OB, Brightener OB, UVITEX OB, Whitening Agent OB, 2.5-bis (5-tertbutyl-2-benzoxa
Properties:
It is hard to dissolve in water. It dissolves in paraffin, fat, mineral oil, wax and common organic solvents. The hue of the fluorescent light is blue light. The wave length of the maximum absorptive light is 375nm (ethyl alcohol)

Specifications:
Appearance: Bright yellow green crystal powder.
Melting point: 200-203C
Assay: 99.0% min
Volatile Content: 0.3% max
Ash: 0.3% max
Max wavelength absorption spectrum: 375nm (in ethanol)
Fineness: Through 200 meshes.
Application:
It is widely used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, paints, and ink etc.
Package: Packing in 25kg fiber drum or according to the requirement of the customers.
Storage:
Stored in dry and ventilate place.

   
Company: Beijing Yangcun Chemical Co., Ltd.

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