USD $1.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
product name : ioversol
molecular formula : c18h24i3n3o9
molecualr weight : 807.11
cas no.:87771-40-2
standards : usp30
items
|
standards
|
|
1 |
characteristics
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white or yellowish powder, has hygroscopicity
|
2
|
ph
|
5.0~7.0
|
3
|
loss on drying
|
5.0% max
|
4
|
heavy metals
|
20ppm
|
5
|
free iodine
|
the toluene layer shows no red color
|
6
|
free iodide
|
200ppm
|
7
|
residual solvents
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methanol, 0.3% max; n-butanol, 0.3% max;
|
8
|
residue on ignition
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0.1% max
|
9
|
related substances
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a, 0.1% max; b, 0.5% max
|
10
|
assay
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97.0~101.0%
|