Fluorescent brightener APC

C.I.220

CAS：16470-24-9

Molecular formula: C40H40N12O16S4Na4

Relative molecular mass: 1165.12 (according to the international relative atomic mass in 1997)

Maximum UV absorption wavelength: 350nm executive standard: Hg / T 3727-2003

Quality index:

1) Appearance: transparent liquid

2) Fluorescence intensity (equivalent to standard 370), Min: 35

3) Whiteness wcie (difference between whiteness of standard product and standard product): - 3

4) Viscosity (25 ℃), MPA • s: ≤ 50

5) pH： 8-10

6) Density, g / cm3: 1.1-1.2

7) Ionic: anionic

Performance characteristics:

1. It is easy to use and can be miscible with water in any proportion. It is suitable for automatic continuous addition and metering.

2. It has good acid resistance and excellent whitening effect even at low pH value.

3. This product adopts advanced nanofiltration technology, so that its salt content is low and has good storage stability at room temperature.

4. Compared with similar products, it has considerable light fastness and acid and alkali fastness.

5. The product remains stable above 0 ℃ and may freeze below - 3 ℃, but it will dissolve after heating, which will not affect the use effect.