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Optical Brightener

Inquiry
  Post Date: Jan 24,2021
  Expiry Date: Jul 23,2021
  Detailed Description: Cas No. :13001-40-6

Main Ingredient: diphenylethene

Specification:

Appearance: light yellow powder
Colored light: bright violet
Ionicity: anionic
fluorescence intensity: similar with the standard
Water(%): ≤5.0

Properties
1. Excellent fluorescent whiting effect to obtain higher degree of whiteness and more bright color shade.
2. Not sensitive to light, with stable chemical properties.
3. Resistant to alkali, hydrogen peroxide and perborate, suitable for alkaline oxygen bath and padding process.
4. Excellent washing fastness.

Applications:
Mainly used for brightening of cotton, linen, viscose, polyamides and blended fabrics.

Recommended dosage:

1. dipping exhaustion method
Dosage: 0.1-0.8%(o.w.f) bath ratio: 1:10-30
Temperature X time:95-100℃×30-40min, washing, drying
(anhydrous sodium sulfate or salt 10-20g/L can be added based on situation)

2. Scouring, oxygen bleaching, brightening, one bath method. dosage: 0.2%-0.8%(o.w.f)
hydrogen peroxide(30%): 5-15g/L
scouring agent: 3-5g/L 
bath ratio: 1:10-30
Temperature and Time: 95-100℃×30-40min, washing, drying.

Packing and Storage:
50kg/drum  Keep in a cool, dry and dark place. Shelf time: 6 months.

  CAS Registry Number:

13001-40-6
  Synonyms: ;Optical Brightening Agent ER-Ⅲ;1,4'-bis(2-cyanostyryl) Benzole;optical brightener 199;C.I.199;1,4-BIS(4-CYANOSTYRYL)BENZENE;4,4'-(p-phenylenediethene-2,1-diyl)bisbenzonitrile;Optical Brightening Agent ER C. I. 199;Benzonitrile, 4,4-(1,4-phenylenedi-2,1-ethenediyl)bis-;1,4'-bis(2-cyanostyryl) Benzene;Optical Brightener ER;1,4'-bis(2,4'-cyano-phenlene)-benzene;Optical Brightener ER II;Fluorescent Brightener ER-1;C.I. 199;4,4'-(benzene-1,4-diyldiethene-2,1-diyl)dibenzonitrile;4,4'-[benzene-1,4-diyldi(E)ethene-2,1-diyl]dibenzonitrile;2-[2-[4-[2-(2-cyanophenyl)vinyl]phenyl]vinyl]benzonitrile;FBA 199;Fluorescent Brightener ER-I;Fluorescent Brightener;Fluorescent Brightener ER;1,4-Bis(2-cyanostyryl)benzene;High Efficient Fluorescent whitening Agent CBS;Optical Brightener;Optical Brightening Agent;Fluorescent Whitening Agent;Fluorescent Brightener;Fluorescent Brightening Agent;Optical Whitening Agent;Optical Brightening Agent ER-III;Fluorescent Brightener ER-Ⅰ;ER-Ⅰ;Optical Brightening Agent ER-Ⅰ;Optical Brightner ER-I;Optical Brightner ER-III;
  Molecular Formula: C24H16N2
  Molecular Weight: 332.3972
  Molecular Structure: 13001-40-6 Fluorescent brightener 199

  Company: Shaoxing ZhengGang Chemical Co. Ltd.     [ China ]        
  Contact: Manager. Yang
  Tel: 0575-82917667
  Fax:
  Email: annieyang@zjzgchem.com
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