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| Product name: | Optical Brightener BBU | |
| C.I. NO.: | 220 | |
| CAS: | 16470-24-9 | |
| Structure: |  |
|
| Molecular formula: | C40H40O16N12S4Na4 | |
| 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: | 350 nm | |
| Character: | Show nionic character and optical blue color | |
| Excutive standard: | HG/T3727-2003 | |
| Specification: | Item | Indices |
| Appearance | Light yellow uniform powder | |
| Fluorescent strenghth (equivalent to the standard sample) | 100±3 | |
| Color Shade | Similar to the standard sample | |
| Whiteness (the deviation with the standard sample) | ≥ -3 | |
| Moisture content | ≤ 5.0% | |
| Content of water-insoluble impurities | ≤ 0.5% | |
| Fineness (residual content passed through 180μm-pore sieve) | ≤ 10% | |
| 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 onits 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. |
|
| Usage: | 1. 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. |
|
| Process: (Such as padding dyeing) | Bath temperature is about 60℃, 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. | |
| Product name: | Optical Brightener BBU | |
| C.I. NO.: | 220 | |
| CAS: | 16470-24-9 | |
| Structure: | |
|
| Molecular formula: | C40H40O16N12S4Na4 | |
| 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: | 350 nm | |
| Character: | Show nionic character and optical blue color | |
| Excutive standard: | HG/T3727-2003 | |
| Specification: | Item | Indices |
| Appearance | Light yellow uniform powder | |
| Fluorescent strenghth (equivalent to the standard sample) | 100±3 | |
| Color Shade | Similar to the standard sample | |
| Whiteness (the deviation with the standard sample) | ≥ -3 | |
| Moisture content | ≤ 5.0% | |
| Content of water-insoluble impurities | ≤ 0.5% | |
| Fineness (residual content passed through 180μm-pore sieve) | ≤ 10% | |
| 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 onits 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. |
|
| Usage: | 1. 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. |
|
| Process: (Such as padding dyeing) | Bath temperature is about 60℃, 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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