Fluorescent Brightener 71 Optical Brightener Cxt for Cotton Textile

• Customization: Available
• CAS No.: 16090-02-1
• Formula: C40h38n12o8s2.2na
• Model NO.: OBA 71
• Appearance: Powder
• Color: White to Slightly Yellow
• H S Code: 32042000
• Transport Package: 25kgs Carton
• Specification: E 370
• Trademark: AFINE
• Origin: China
• HS Code: 3204200000

Product Description

Optical Brightener CXT (C.I.71)

Chemical name: stibene bistriazine derivative

Formula: C₄₀H₃₈ N₁₂O₈ S₂ Na₂

Specification: Appearance: White powder

                 Fluorescent color: Similar to the standard sample
               Moisture: 5% (max)
Ionic character: anoinic
Application: Mainly be used in whitening of cotton fabric
Property: With strong fluorescence, excellent whitening performance and high yellowing point.
Maximum UV Spectrum Absorption: 349nm

Treating process:

 For cotton fabric: 0.05 - 0.4%(O.W.F.), bath ratio: 1.5 - 20, Na₂SO₄: 5 - 20g/L, room temperature heating rate: 1-2 ºC/min 60 -100ºC x 10 - 40min - - wash - dry. The prcessing can be adjusted according to the actual situation.

 

CERTIFICATE OF ANALYSIS

PRODUCT NAME: OPTICAL BRIGHTENER CXT
BATCH NUMBER: 20211210        
MFG. DATE: 2021/12/10  
QUANTIYTY: 2000KGS              

 

Items	Specifications	Results
Appearance	White to slightly yellow powder	Conform
Whiteness	Correspond to the standard±1.5	-0.1
E value	370 ±10	363.9
Moisture	≤5.0%	3.51%

CONCLUSION: THE RESULT CONFORMS TO THE STANDARD