Benzophenone-4
2-Benzoyl-5-methoxy-1-phenol-4-sulphonic acid (Benzophenone-4)
|
Molecular Formula |
C14H12O6 S |
|
Molecular Weight |
308.31 |
|
CAS No. |
4065-45-6 |
|
|
|
Appearance |
White or light yellow crystalline powder |
|
Assay |
99.0% min. |
|
Heavy metals |
5ppm max. |
|
Colour (Gardner-10% aqueous solution) |
1.0 max. |
|
Loss on drying |
a.5.0% max b. 3.0% max |
|
PH value |
1.2-2.2 |
|
UV Absorbance Max @285nm |
460 min. |
|
UV Absorbance Max @325nm |
290 min. |
|
Melting Point (°C) |
140 min. |
|
Turbidity in water (EBC) |
1.5 max |
|
Packing |
25kg net cardboard drum |