product series
product name :
caffeine anhydrous
overview
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cas no :
58-08-2
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einecs no :
200-362-1
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hs code :
2939300010
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grade standard :
pharma grade bp2009/usp32
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appearance :
white crystalline powder
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packaging details :
25kg/drum
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application :
"nervous system drug
product description
tds:
| items | specifications |
| appearance | white, crystalline powder |
| appearance of solution | clear and colorless |
| identification | ir confirms to reference spectrum |
| hplc confirms to chromatogram of the standard preparation | |
| melting point | 234.0～239.0°c |
| acidity(0.01mol/l naoh,ml) | ≤0.2 |
| unspecified impurities | ≤0.10% |
| total impurities | ≤0.10% |
| residue on ignition | ≤0.10% |
| sulfate | ≤500ppm |
| sulphated ash | ≤0.10% |
| heavy metals(on pb basis) | ≤0.001% |
| loss on drying | ≤0.50% |
| residual solvent(chloroform) | ≤60ppm |
| assay(on dried basis) | 98.5-101.5% |
others
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