analysis |
specification |
results |
appearance |
white fine powder |
complies |
odor |
characteristic |
complies |
assay (hplc) on dry basis |
yohimbine hcl≥98.0% |
99. 3% |
sieve analysis |
nlt 100% pass 80 mesh |
complies |
melting point |
285-290ºc |
288.2ºc |
boiling point |
542.979ºc at 760 mmhg |
complies |
flash point |
282.184ºc |
complies |
vapour pressur |
0mmhg at 25ºc |
complies |
specific rotation |
+100º to +105º |
+103.80º |
solubility |
slightly soluble in water/alcohol |
complies |
loss on drying |
<1% |
0.7% |
residue on ignition |
<1% |
0.87% |
heavy metal |
<15ppm |
<10ppm |
as |
<2.0ppm |
<1ppm |
pb |
<1.0ppm |
<0.4ppm |
cd |
<1.0ppm |
0ppm |
hg |
<0.1ppm |
0ppm |
residual solvents |
eur.pharm. |
complies |
total plate count |
<1000cfu/g |
complies |
yeast & moulds |
<100cfu/g |
complies |
e.coli |
negative |
complies |
salmonella |
negative |
complies |
s.aureus |
negative |
complies |