USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
item |
specification |
result |
appearance |
white crystals or a white crystalline powder |
complies |
identification |
complies with bp98 / usp24 |
complies |
melting point |
226 - 230 °c |
226.8 - 229.0 °c |
acidity or alkalinity |
4.5 - 5.5 ml |
5.10 ml |
charity and color of solution |
clear and colourless |
complies |
alkalinity |
complies with bp98 / usp24 |
complies |
assay |
99.0 - 101.0 % |
99.56% |
o- and p-toluenesulphonamides |
≤ 10 ppm |
8 ppm |
heavy metals |
≤ 10 ppm |
6 ppm |
loss on drying |
≤ 6 % |
3.1% |
arsenic |
≤ 2 ppm |
1.6 ppm |
benzoic |
≤ 1 ppm |
0.6 ppm |
icad |
≤ 10 ppm |
7 ppm |