Product name:
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Sulphapyridine
|
|
Expiry Date:
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Three years
|
|
Inspection Standard:
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USP25
|
|
Items
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Specifications
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Results
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Description
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off-white or yellowish-white crystalline powder
|
off-white crystalline powder
|
Clarity and colour of solution
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Clear not deeper than pale yellow
|
Clear not deeper than pale yellow
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Identification
|
Conform Withmonograph A.B.C
|
Pass
|
Melting point
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190–193℃
|
190.4–191.2℃
|
Heavy metals
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≤0.002%
|
Pass
|
Acidity
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≤0.2ml
|
0.19ml
|
Loss on drying
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≤0.5%
|
0.24%
|
Sulphated ash
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≤0.1%
|
0.08%
|
Assay
|
99.0—101.0%
|
99.52%
|
Conclusion : PASS
|