Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5

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  • Model NO.: mc
  • Environmental Protection: Yes
  • Kind: Plasticizer
  • CAS No.: 7128-64-5
  • Einecs No.: 230-426-4
  • Quality: High
  • Purity: >99.0%
  • Transport Package: (5kg X 1) (25kg X 1) (1kg X 1X12 Boxes) Iron Box C
  • Origin: China
  • Certification: CCIC, REACH
  • Color: White
  • Appearance: Powder
  • Mf: C26h26n2o2s
  • Inspection: SGS CIQ
  • Price: Lowest
  • Trademark: Betop
  • Specification: 25kg/pp bags
  • HS Code: 3204200000

OPTICAL BRIGHTENER OB (OBA184)

C.I.184 CAS7128-64-5

 

Technical Spec.: 

 

Appearance:

 light green powder

Chromatic light: 

blush white (similar with standard sample)

Purity: 

≥98%

M.P.: 

198~203ºC

Fineness: 

over 100 meshes

 

 

 

Structure:

 

 

Chemical Name:  2,5-bis(5-tertbutyl-2-benzoxazolyl)thiophene

 

Molecular Formula: C26H26N2O2S (As International relative Atom Mass 1997)

 

Emission Wavelength: 435nm (in ethanol).

 

Spectral Absorption Value: 375nm (in ethanol), max

 

 

Properties & Features: 

 

 

Light green powder, odorless, soluble in alkane, fat, mineral oil, paraffin and most organic solvents, max. 

spectral absorption value: 375nm (in ethanol), max. 

emission wavelength: 435nm (in ethanol).

 

 

Range of Application: 

 

 

Widely used for the whitening of PVC, PE, PP, PS, ABS, PMMA, POM, polester fiber, paints, printing ink and coatings etc.

 

 

Packing & Storage:

 

 

(5kg×1) (25kg×1) (1kg×1X12 boxes) iron box carton, fiber drum. Stored in dry place, avoid light.

 

Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
 

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