Fluorescent brightener CXT-370 (Optical Brightener CXT-370)
C. I. No.: 71
CAS No.: 16090-02-1
Molecular Formula: : C40H38N12O8S2Na2
Molecular Weight: 924.91 (As International relative Atom Mass 2005)
Max UV absorption wavelength: 350nm
Application:
1. Used in detergent industry, for the synthetic detergent, toilet soap and soap.
2. Used in the fabric of cotton fiber, nylon, etc, taking on excellent whitening effect on artificial fiber, polyamide, vinylon, also has good whitening effect on protein fiber, amino plastic.
Procedure:
Optical brightener CXT has less solubility than VBL and 31#, it can be soluble in hot water and form about 10% suspension liquid. The liquid should be used immediately when ready and avoid sunlight. The dosage used is 0.1-0.5% in detergent industry and 0.1-0.3% in dyeing industry.
Package:
Packed in cardboard bucket or cardboard box after being firstly packed in plastic bag. Net weight per bucket is 20kg or 25 kg.
Transportion:
Should avoid sunlight and crash.
Storage:
Should be stored in cool, dry and ventilate place, and storage time should not exceed 2 years.
Fluorescent Brightener CXT / Optical Brightener CXT / Optical white agent CXT/ Optical Brightener Agent CXT
SPECIFICATIONS |
|
Item |
Indices |
FLUORESCENT BRIGHTENER CXT-370 |
Appearance |
white or light yellow even powder |
Fluorescent strength(equivalent to standard sample E370) |
100± 3 |
Color Shade |
Similar |
Moisture content |
≤ 5.0% |
Content of water-insoluble impurities |
≤ 0.5% |