REMARK:
DESCRIPTION:
Furazolidone is Yellow crystalline powder,odorless,first it's tasteless and then lightly
bitter,it will turn dark in strong light, it will melt and decompose at 255-259℃. It is
almost insoluble in water and ethanol, slightly soluble in chloroform and soluble in
dimethyl formamide. Its solubility in water is 60mg/L when pH is 6,the PH of
saturated water solution is 4.5-7.0, it will be easily decomposed in alkaline.
Chemical name: 3-(5-nitrofurfurylideneamino)-2-oxazolidone
Molecular formula:C8H7N5O3
Molecular weight: 225.16
SPECIFICATION:
A:Accord with the drug standard of the Ministry of Health of PRC(1989 edition)
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Properties
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Specification
|
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Appearance
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Yellow crystal powder
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Assay
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97.0-103.0%
|
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Acidity
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5.5-7.0
|
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Loss on drying
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Not more than 0.5%
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Residue on ignition
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Not more than 0.2%
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B:Accord with British Pharmacopoeia(2001) edition
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Properties
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Specification
|
|
Appearance
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Yellow crystal powder
|
|
Assay
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97.0-103.0%
|
|
Acidity
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4.5-7.0
|
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Loss on drying
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Not more than 0.5%
|
|
Residue on ignition
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Not more than 0.1%
|
C:Accord with the USP 29TH edition
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Properties
|
Specification
|
|
Assay
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97.0-103.0%
|
|
Acidity
| |
| |
