Optical brightener FP-127

  • Product name: Optical Brightener FP-127
  • Chemical Name: 4,4′-Bis[(E)-2-(2-methoxyphenyl)vinyl]biphenyl
  • C.I.: 378
  • CAS.: 40470-68-6
  • Molecular Formula: C30H26O2
  • Formula Weight: 418.53
  • Synonyms: Uvitex FP, FP-P, FP-C (Clariant), CBS-127, FP-127, OBA 378, FBA 378.
    Optical Brightening Agent FP-127
  • Application: Optical Brightener FP-127 is widely used in the whitening of flex PVC, PS, synthetic leather, paints, inks, wallpaper PVC plastisol, etc.
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1. Properties of Optical Brightener FP-127

Appearance: Light Yellow powder
Purity: ≥99%
Melting point: 219-221℃
Volatile ≤0.5%
Ash ≤0.5%
Max Absorption Wavelength 375nm (in ethanol)
Max. Emission Wavelength 436nm(in ethanol)

Optical Brightener FP-127 chemical structure

Optical Brightener FP-127 chemical structure

Optical brightener FP-127 is poorly soluble in water, and soluble in alkane, mineral oil, and common organic solvents.

2. Synonyms / Alternative

Uvitex FP, FP-P, FP-C (Clariant), CBS-127, FP-127, OBA 378, FBA 378.
Optical Brightening Agent FP-127

3. Packing and Storage

25KG fiber drum lined with a double-layer plastic bag.
Stored in a cool, dry, and ventilated place, the storage term should not exceed 2 years.

4. Common Application and Recommend Dosage

Optical Brightener FP-127 is widely used for whitening various plastic products, especially for flex PVC and PS, which have better affinity and whitening effects.
It has excellent whitening and brightening effects for synthetic leather.
It can also be used for whitening and brightening paints, inks, wallpaper PVC plastisol, etc.

PVC/PS   White: 0.02-0.05%    Transparent: 0.0002-0.002%
ABS         Natural: 0.02-0.05%
Transparent:  0.0025-0.005%.   Commonly used: 0.01-0.05%

Due to the dosage amount is small, please mix thoroughly for the best effect.
When using any UV absorb additive, the dosage of FP-127 should be adjusted.

5. Transportation and Safty

Avoid inversion, sunlight, moisture, and crash. Avoid damaging the package.
Non Hazardous. Stock as ordinary chemicals. Wear Protective goggles and gloves while using. And avoid direct contact with skin and eyes. Soap clean if the skin is contaminated.

Shandong Grand Chemical Co., Ltd, is a professional manufacturer of optical brighteners in China.
If you have any inquiries about the optical brightener for plastics, please do not hesitate to contact us via sales@obachemical.com, or WhatsApp: +86 13173009832.

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