C.I.353
CAS:55585-28-9
Molecular formula: C40H36N12 O20Na6
Relative molecular mass: 1334.10 (according to the international relative atomic mass in 2005)
Maximum UV absorption wavelength: 349 ± 1 nm
Properties: anionic, blue light
Executive standard: HG / T 3967-2007
Quality index:
1. Appearance: light yellow liquid
2. Fluorescence intensity (equivalent to that of standard): 20 ± 1
3. Color light (and standard): blue light
4. Whiteness (compared with standard): - 3
5. Moisture,%: ≤ 5.0
6. Fineness (amount of residue passing 250um sieve),%: ≤ 0.5
7. Water insoluble content,%: ≤ 0.5
Performance characteristics:
1. This product has good water solubility and can be miscible with water in any proportion.
2. It has extremely high whiteness enhancement.
3. It has the excellent performance of hard water resistance and less yellowing after high temperature setting.
4. PH > 7 is the best whitening condition.