USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
specification |
standard |
|
appearance |
white or almost white crystal powder |
|
identification |
ir |
similar to standard |
appearance of solution |
the solution is clear and not more intensely cloured than reference solutions y7 |
|
solubility |
very slightly soluble in water; soluble in methanol; slightly soluble in alcohol |
|
angle of optical rotation |
-0.10 ----+0.10 |
|
related substances |
each impurity |
≤0.25% |
total imurity |
≤0.5% |
|
melting point |
178-182°c |
|
loss on drying |
≤0.5% |
|
residue on ignition |
≤0.1% |
|
assay ( on dry basis) |
98.5-102% |