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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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| Molecular Formula: C8H14O2S2 Molecular Weight: 206.33 Structural Formular : Character: Slightly yellow crystal or powder; Almost odorless, It dissolves difficult in water, but easily in alcohol, ether, and chloroform. Uses: Medicine of vitamin;Acute and chronic hepatitis, cirrhosis, hepatic coma, fatty liver, etc. |
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Appearance
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Slightly yellow crystal powder almost ordeless
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Conforms
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Identification
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Conforms
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Conforms
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Melting point
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60ºC -62ºC
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62ºC
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Loss on drying
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0.20% Max
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0.18%
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Residue on ignition
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0.10% Max
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0.06%
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Specific rotation
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-1.0º― +1.0º
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Conforms
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Limit of polymer content
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2.0% max
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Conforms
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Related Substances by HPLC
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6,8-Epitrithleoctanolic acid(EPI)
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0.10% Max
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0.09%
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Single impurities
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0.10% Max
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0.04%
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Total Impurities
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0.50% Max
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0.30%
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Residue by GC
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Cyelohexane
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1000 PPM Max
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940 PPM
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Ethyl acetate
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250 PPM Max
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180 PPM
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Toluene
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20 PPM Max
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16 PPM
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Total acrobes counts
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1000cfu/g Max
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100 cfu/g
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Moulds and yeasts
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100cfu/g Max
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Less than 10 cfu/g
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E.coli/Salmonella
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Absence/g
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Not detectable
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Staphyloeaccus nureate
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Absence/g
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Not detectable
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Particle size
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100% through 40 mesh
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conforms
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Losse bulk density
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0.279g/ml
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Assay
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99.0-101.0%
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99.54%
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Result: The product conform to USP28
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