CBS/FP-127 is a highly purified optical brightener applicable to polymer, paint, printing ink and artificial fiber. It presents blue fluorescent light in all the polymers.

Key words: optical brightening agent CBS-127, optical brightener CBS-127, fluorescent brightener CBS-127, optical whitening agent CBS-127, brightener CBS-127

Typical Properties:

Chemical name: 4,4-Bis [2-(2-methoxyphenyl)ethenyl]-1,1-biphenyl
Molecular weight: 418
CAS No.: 40470-68-6
C.I.: 378

Specifications:

Appearance: light yellow color crystal powder

Assay: 99%min.

Bulk density: 1.23g/cm3

Melting point: 216-222

Ash: 0.3%max

Volatile content: 0.3%max

Particle size: 200 meshes

Max. absorption wavelength: 375nm(in ethanol)

Spectrophotography: max.(DMF) 364nm

Application:
PVC: 0.01-0.05%(10-50g/100kg)
Transparent PVC: 0.0001-0.001%(0.1-1g/100kg)
Polyphenyl: 0.001%(1g/100kg)
Transparent polyphenyl: 0.0001-0.001%(0.1-1g/100kg)
ABS: 0.01-0.05%(10-50g/100kg)

Package:

25kg / fiber drum with PE liner


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