CAS No.: | 121-79-9 |
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Formula: | / |
EINECS: | / |
Testing Items
|
Standard Requirements
|
Appearance
|
White crystal powder
|
Content
|
98.0~102.0 %
|
Chlorinated organic compounds
|
100ppm Max
|
Gallic acid
|
0.50% max
|
Appearance of solution
|
The solution is clear,not more intensely colored than reference solution BY5
|
Loss on Drying
|
0.50% max
|
Melting point
|
148-150ºC
|
Ignited residue
|
0.1% max
|
Heavy metal
|
10mg/kg
|
Lead/pb mg/kg
|
1mg/kg
|
As mg/kg
|
3mg/kg
|
Mercury mg/kg
|
1mg/kg
|
Microbiology E. Coli : F. St. Aureus : G. Salmonella : H. Pseudomonas |
Negative Negative Negative Negative |