OPTICAL BRIGHTENER OVIWHITE BC 707
Cas no. 16470-24-9
FORMULA: C40H40N12O16S4Na4
SUBSTANCE NAME:
tetrasodium4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulphonatoanilino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate]
MOLECULAR WEIGHT: 1165.12 (As international relative Atom Mass 1997)
Max UV ABSORPTION WAVELENGHTH: 350nm
CHARACTER: Show nionic character and optical blue color
EXCUTIVE STANDARD: HG/T3727-2003
PROPERTY:
1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g 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.
USEAGE:
- Used for cotton fiber and glue fiber.
- Used in the syrup of discharge pattern of printing color.
- Used in paper pulp.
- Used in the process of surface gluing.
5. Used in the process of coating.
PROCESS:(Such as padding dyeing)
Bath temperature is about 60ºC, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.
PACKAGE: Packed in cardboard bucket after being packed in plastic bag first. Net weight per bucket is 25 kg or 50 kg.
TRANSPORTATION: Should avoid sunlight and crash.
STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years.
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