Bbu Ci220 Optical Brightener Fluorescent Brightener for Cotton and Paper

• Customization: Available
• CAS No.: 16470-24-9
• EINECS: 241-512-2
• Model NO.: BBU
• Kind: Fluorescernt Brighening Agent
• Appearance: Powder
• Purity: 99%
• Color Tone: Bluish Violet
• Transport Package: 25kg/Carton
• Trademark: LDCHEM
• Origin: China
• HS Code: 32042000
• Production Capacity: 8000mt/Year

Product Description

BBU CI220 optical brightener fluorescent brightener for cotton and paper

Name: Optical Brightener C.I. 220
Molecular formula: C40H40N12Na4O16S4
CAS Number: 16470-24-9
Molecular Weight: 1165.03
EINECS: 240-521-2
Specification:

Items	Indices
Appearance	Amber transparent liquid/Powder
Fluorescent strength (equivalent to standard substance)	35
Whiteness (WCIE)	≥ -0.3
PH	8.0--10.0
Viscosity (25°C)	≤50mpa.s
Density	1.05-1.2g/cm3
Ionicity	anionic

Description:
  This product is a liquid fluorescent whitening agent used in paper making.
Characteristics:
1.This product is easy to use, can be arbitrary proportion miscible with water,is suitable for continuous addition.
2.It has good acid-resistance, under low PH value also has excellent whitening effect.
3. It is very stable above 0°C.If temperature is below -3°C,it will freeze, if move to room temperature place or heating can melt,and to use effectively without any adverse effects.
4.This product uses advanced nanofiltration technology to make it contain low salt 
content At room temperature, it has good storage stability.
Scope of application:
1. in the process of surface Sizing.
2. in the process of coating.
Application: 
1.we can add it into paper pulp directly , the dosage is : 0.05-1.2%(to oven dry stock)
2.In the process of surface sizing, it has better whitening effect used together with
CMC, PVA and starch. The dosage: 0.5-10g/L.

1. In the process of coating, it can be added at any position.it has better whitening

effect used together with CMC,PVA and starch.The dosage: 0.1-1.1% (to the coating weight) Stored in closed containers at the temperature between 0-35°C,storage life is 6 months.
Packing:
200kg or 1000kg plastic drum(IBC,or Flexitank) or as your demand. 

  



Optical Brightener product range:

I.OPTICAL BRIGHTENER FOR PLASTICS/RUBBER/INK/COATING
Optical Brightener OB-1	C.I. 393	CAS NO.1533-45-5
Optical Brightener OB	C.I. 184	CAS NO.7128-64-5
Optical Brightener FP-127	C.I. 378	CAS NO.40470-68-6
Optical Brightener KCB	C.I. 367	CAS NO.5089-22-5
Optical Brightener KSN	C.I. 368	CAS NO.5242-49-9
Optical Brightener EBF	C.I. 185	CAS NO.12224-41-8
Optical Brightener ER-I	C.I. 199	CAS NO.13001-39-3
Optical Brightener ER-II	C.I. 199:1	CAS NO.13001-38-2
Optical Brightener ER-III	C.I. 199:2	CAS NO.13001-40-6
II.OPTICAL BRIGHTENER FOR DETERGENT
Optical Brightener CBS-X	C.I. 351	CAS NO.27344-41-8
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
III.OPTICAL BRIGHTENER FOR TEXTILE
Optical Brightener ER-330	C.I. 199	CAS NO.13001-39-3
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 113	CAS NO.16470-24-9
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
IV.OPTICAL BRIGHTENER FOR PAPER/PULP MAKING
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 220	CAS NO.16470-24-9
V.OPTICAL BRIGHTENER FOR WOOL/ACRYLIC
Optical Brightener SWN	C.I. 140	CAS NO.91-44-1
Optical Brightener BAC	C.I. 363	CAS NO.95078-19-6

For more details, please contact Niki