Factory Lidocaine，USP,BP,EP in stock CAS 137-58-6 CAS NO.137-58-6

test items

specification

result

characters

white crystalline powder with characteristic odor

white crystalline powder with weak odor

melting point

66 degree to 70 degree

66.6 degree-68.5 degree

identification

b\c\d\e
conforms with the requirement

conforms

appearance of solution

clear and colorless

conforms

water

not more than 0.5%

0.3%

sulphate

not more than0. 1%

conforms

chloride

not more than 0. 0035%

0.0025%

heavy metals

not more than 0.002%

0.001%

residue on ignition

not more than 0.1%

0.02%

impurity
(2\6-dimethylaniline content)

not more than 0.01%

conforms

assay (hplc)

99.0%-101.0%

99.6%

conclusion

conforms bp 2007 standard