Optical Brightener Agent 210/Fluorescent Whitening Agent 210

• Customization: Available
• CAS No.: 28950-61-0
• Formula: C40h36n12o14s4na4
• Model NO.: Fluorescent whitening agent for paper
• EINECS: 28950-61-0
• Usage: Paper
• Classification: High Purity Material
• Grade: Ar
• Habit Appellation: Fine Chemicals
• Application: Industry
• Source: Used for Paper
• Specific Usage: Used for Paper
• Property: Liquid
• Content: Used for Paper
• Transport Package: Drum
• Specification: KG
• Trademark: IDEFU
• Origin: China
• HS Code: 320420
• Production Capacity: 3000000mt/Year

Product Description

FLUORESCENT BRIGHTENER 210
CAS:28950-61-0
MOLECULAR FORMULA: C40H36N12 Na4O14S4
MOLECULAR WEIGHT:1128.1(As International relative Atom Mass 2005)
Max UV ABSORPTION WAVELENGHTH: 349±1nm
EXCUTIVE STANDARD: HG/T 3970-2007
SPECIFICATIONS:
 Item       Indices
Appearance   Amber transparent liquid
Fluorescent strength (equivalent to standard sample)     35
Whiteness (WCIE) (equivalent to standard sample) ≥ -0.3
Viscosity (25ºC), mPa.s        ≤50
pH value 8-10
Density, g/cm3     1.1-1.2
Ionicity    Anionic
PROPERTY:
 1. Easily used, and can be mixed with water at any ratio. Suitable for automatic continuous addition & gauge.
    2. Excellent acid resistance and excellent whiten effect even in low pH value solution.
    3. Advanced nanofiltration membrane technology is applied for this material and has low salinity and better store stability under normal temperature.
    4. Compared with other products, FWA-APC has better sunlight fastness and alkaline resistance.
    5. Kept stable above 0ºCand cooled freeze -3ºC, but have no influence on its usage when hearted and dissolved again.

Application:
 1. Fluorescent whitening agent for paper pulp bleaching.
    2. Fluorescent whitening agent in the process of surface gluing.
    3. Fluorescent whitening agent in the process of coating.

PACKAGE AND STORAGE:
 1000 kg, 200 kg or 50 kg plastic drum, or for the special demand.