OPTICAL BRIGHTENING AGENT BA C. I. 113 OBA 113 cas 4193 55 9

Product Overview

Description

OPTICAL BRIGHTENER BA C. I. 113 OBA 113

cas no.:12768-92-2 or 4193-55-9

MOLECULAR FORMULA: C₄₀H₄₂N₁₂O₁₀S₂Na₂

MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991)

MAX UV ABSORPTION SPECTRUM: 348nm

EXCUTIVE STANDARD:HG/T 3990-2007

SPECIFICATIONS:

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 surfactant.

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:60-100℃.

PACKAGE: Packed in cardboard bucket, kraft bag or PE bag. Net weight 25kg.

STORAGE: Should be stored in cool, dry and ventilate place, and storage period should not exceed 2 years.