Memantine HCl 41100-52-1 CAS NO.41100-52-1

items

specifications

results

appearance

white or almost white crystalline powder

white crystalline powder

identification

ir

conform

related substance

1-methyladamantane ≤0.3%

0.13%

1,3,5-trimethyladamantane ≤0.3%

0.14%

unknow impurity ≤0.1%

<0.1%

total impurity ≤0.5%

<0.4%

residue on ignition

≤0.1%

0.06%

heavy metal

≤10ppm

<10ppm

loss on drying

≤0.5%

0.29%

assay(base on drying)

98.5~101.0%

99.55%

solvent residual

ethanol ≤0.5%

0.12%

ethylacetate ≤0.5%

0.08%

contamination microbiological

max5*102aerobes and fungi per 1g

passes

no escherichia coli

size of distributed particles

pass 100μm

conform

ph

4.5~5.5

5.3

conclusion

the results conform with enterprise standar