Optical Brigheing Agent 199: 1 Fluorescent Brightener Er-II

• Customization: Available
• CAS No.: 13001-38-2
• Formula: C24h16n2
• Model NO.: ER
• EINECS: 235-834-6
• Environmental Protection: Yes
• Color: Yellow-Green
• Kind: Fluorescernt Brighening Agent
• Appearance: Powder
• H.S.Code: 32042000
• Transport Package: 25kgs Drum
• Specification: 99%
• Trademark: AFINE
• Origin: China
• HS Code: 3204200000

Product Description

Optical Brightener ER-II

Chemical name: 4,4'-bis(2,4-cyano-phenlene)-benzene
Structure:

Formula: C₂₄H₁₆N₂
C.I.Number: 199:1
Appearance: Slight yellow powder
Melting point: 188 ~ 192ºC
Purity: 99.0%
Property: Bluish color shade with strong fluorescence, high whitening performance and excellent fastness to sublimation.
Application: Suitable for the whitening and brightening of polyester, acetate and nylon fibers and for whitening plastics
Packing: 25KG fiber drum.

* The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.



CERTIFICATE OF ANALYSIS

 

Items	Specifications	Results
Appearance	Slight yellow-green powder	Conform
Melting point	190±2ºC	189.9~190.7ºC
Moisture	≤1%	0.25%
Assay (HPLC)	≥99%	99.74%