Benzophenone-5

We are offering benzophenone-5.
Morewhitetm bp5
inci name: benzophenone-5
chemical name: bp-5, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid sodium salt
cas no.: 6628-37-1
einecs no. : ---
molecular formula: c14h11o6sna
molecular weight: 330.31
specification:
items specification
1. appearance: light yellow crystalline powder
2. assay (hplc) %: 99.0 min
3. melting point (°c) 280 min
4. specific extinction (1%, 1cm): e287 more than 400
e325 more than 235
5. loss on drying %: 1.5 max
6. ph value: 4.8 min
7. turbidity in water (ebc): 2.0 max
8. gardner color: 4.0 max
9. heavy metal ppm: 5 max
application: coating & printing- as uv curing for coatingsinks.
Package: 25kg net per drum.
Storage: store in a closed system, and be kept in a dry and dark place without any light exposure.
Shelf life: 2 years.