Er-III Optical Brightener/Fluorscent Brightener 199: 2

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

Product Description

 

Optical Brightener ER-III

C.I.199:2


Chemical name: 1.4-Bis-p-cyanostyryl-benzene
Structure:
 

Formula: C₂₄H₁₆N₂

Appearance: Yellow powder

Melting Point: 289 ~ 291 ºC
Purity: 99.0%(min)
Application: Suitable for the whitening and brightening of polyester, acetate and nylon fibers and for whitening plastics
Property: With strong fluorescence, high whitening performance and excellent fastness to sublimation.



CERTIFICATE OF ANALYSIS

 

Appearance	Yellow crystalline powder	Confirm
Purity	≥99%	99.31%
Impurities	≤0.6%	0.35%
Moisture	≤1.0%	0.48%
Melting point	270±2ºC	269.0~271.2ºC