quick details:
product name: lidocaine
cas: 137-58-6
assay: 99%
mf: c14h22n2o
mw: 234.34
einecs: 205-302-8
appearance: white powder
usage: lidocaine (alphacaine)is a selective inverse peripheral histamine h1-receptor agonist with an ic50 of >32 μm. [1] histamine is responsible for many features of allergic reactions. lidocaine (alphacaine)is a second-generation antihistamine agent closely.
specification:
test items | specification | results |
characters | a white or almost white crystalline powder | a white crystalline powder |
identification | infrared absorption spectrum of the substance is same as that of lidocaine intermediate crs | conforms |
clarity and color of the solution | clear and colorless≤y6 | conforms |
ph | dissolve 2.0g in water and dilute to 20ml ph 3.5~5.5 | 4.3 |
optical rotation | 4%(w/v)water solution +135°~+150° | +140° |
heavy metal | ≤5ppm | <5ppm |
sulphated ash | ≤0.5% | 0.02% |
water content | 3.1~4.6% | 4.1% |
acetone | ≤0.5% | 0.04% |
butyl alcohol | ≤0.5% | 0.004% |
bacterial endotoxins | ≤0.5 cfu/g | <0.5 cfu/g0.5 cfu/g |
assay | 89.5%~102.0% | 95.9% |
b of lidocaine≤5.0% | 5.0 | |
conclusion | the specification conform with enterprise standard |