Fluorescent brightener BA
C. I. 113 CAS: 12768-92-2

Molecular formula: C40H42N12O10S2Na2
Molecular weight: 960.94 (as international relative atom mass 2005)
Max UV absorption wavelenghth: 348nm
Excutive standard: Q/LQH010-2006

Properties:
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 fluorscent brightener dissolved with water into the dye vat, the dosage: 0.08-0.3%, bath ratio: 1: 20-40, the dying temperature: 60-100 celsius degree.

Package:
Packed in cardboard bucket or plastic coating paper sack after being packed in plastic bag either 25kg or 50kg per bucket or sack.

Transportation:
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.