Optical brightener BBU(220#)

TECHNICAL DATA SHEET

FLUORECENT BRIGHTENER BBU

C.I.220 CAS:16470-24-9

STUCTURE:

MOLECULAR FORMULA:C₄₀H₄₀N₁₂O₁₆S₄Na₄

MOLECULAR WEIGHT:1165.12(As International relative Atom Mass 2005)

MAX UV ABSORPTION WAVELENGTH:350 nm

EXECUTIVE STANDARD:HG/T3727-2003

SPECIFICATIONS

PROPERTY1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300g per liter in boiling water and 150g per liter in cooling water. 2.Good resistance to hard water, the ions of Ca²⁺and Mg²⁺have no influence on its whitening effect. 3.Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite) 4. General acid-resistance and the optimal applied PH value＞7. 5. Show anionic character and optical blue color

APPLICATION1.Used for cotton fiber and glue fiber. 2.Used in the syrup of discharge pattern of printing color. 3.Used in paper pulp 4.Used in the process of surface gluing 5.Used in the process of coating.

PROCEDUR(Such as padding dyeing Bath temperature is about 60-100℃,holding time is about 20-40 minutes, bath ratio is 1:20-30. The dosage is 0.1-0.5%

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

TRANSPORTATIONShould be handled carefully, avoid sunlight and moisture

STORAGEShould be stored in cool,dry and ventilate place, and storage time should not exceed 2 years