Optical Brightener Ba for Paper Pulp Coating

• CAS No.: 12768-92-2
• Formula: C40h42n12o10s2na2
• EINECS: 216-245-3
• Environmental Protection: Yes
• Color: Yellow
• Appearance: Powder
• Model NO.: BA
• Purity: 99%
• Max UV Absorption Spectrum: 348nm
• Transport Package: 25kg/Carton
• Trademark: LDCHEM
• Origin: China
• HS Code: 32042000
• Production Capacity: 8000mt/Year

Product Description

Optical brightener BA for Paper Pulp Coating

MOLECULAR FORMULA: C₄₀H₄₂N₁₂O₁₀S₂Na₂
MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991)
MAX UV ABSORPTION SPECTRUM: 348 nm
EXCUTIVE STANDARD: HG/T3990-2007
SPECIFICATIONS:

ITEM	INDEX
Appearance	Light yellow uniform powder
Fluorescent Strenghth (equivalent to the standard sample)	350±10
Color Shade	Similar to Slightly Different
Moisture content	≤ 5%
Content of water-insoluble impurities	≤0.5%
Fineness (residual content passed through 180μm-pore sieve )	≤10%

PROPERTY:
    The product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.
APPLICATION:
 Mainly applied to whiten paper pulp, surface sizing, coating, and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics.
USAGE:
    1. Being used in paper-making industry, add them into the paper pulp, coating solvent and surface gluing solvent after dissolving with the 20 times water.usual dosage: 0.1-0.3% on dry pulp or dry dope.
2. When whitening of the cotton, hemp or cellulose, directly adding the fluorescent brightener dissolved with water into the dye vat, the dosage:0.08-0.3%, bath ratio:1:20-40, the dying temperature:60-100ºC.
PACKAGE: Packed in cardboard bucket or plastic coating paper sack after being packed in plastic bag either 25 Kg or 50 Kg per bucket or sack.
TRANSPORTAION: Should be handle carefully, avoid sunlight and moisture.
STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years.






  




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

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