product name : iopromide
molecular formula : c18h24i3n3o8
molecualr weight : :791.12
cas no. : 73334-07-3
standards : :usp30
packing : 25kg or 50kg /drum
storage : preserve in tight containers and protect from light.
items
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standards
|
|
1 |
characteristics
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white or yellowish powder, has hygroscopicity
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2
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ph
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5.2~6.5
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3
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loss on drying
|
1.5% max
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4
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heavy metals
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20ppm
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5
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free aromatic amine
|
0.1%
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6
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free iodine
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the toluene layer shows no red color
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7
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free iodide
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20ppm
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8
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residual solvents
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ethanol, 0.4% max
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9
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residue on ignition
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0.1% max
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10
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related substances
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3.0% max
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11
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n-acetyl compounds
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1.5% max
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12
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isomer distribution
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e1+z1=40.0~51.0%, e2+z2=49.0~60.0%
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13
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assay
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97.0~102.5%
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