Erythromycin for making ointment CAS 114-07-8 ERYTHROMYCIN
Product Name: Erythromycin
Synonyms: Abboticin; Abomacetin; Dotycin; Em; Emu; E-mycin; Erycin; Erycinum
CAS: 114-07-8
MF: C37H67NO13
MW: 733.93
EINECS: 204-040-1
Assay: 99%
Appearance: White or almost white crystalline powder
Specification: USP35/CP2010
Property: Weakly alkaline, slightly soluble in water (about 0.2%), soluble in organic solvents. Unstable under acidic conditions.
Package: 25kg/drum
Test |
Standard |
Result |
Appearance |
White or almost white crystalline powder |
Conform |
Identification |
The reaction is postitive |
Positive Reaction |
PH |
6.0-8.0 |
6.13 |
Heavy Metals |
≤20ppm |
<20ppm |
Arsenic |
≤2ppm |
<2ppm |
Loss on drying |
≤6.0% |
5.4% |
Residue on ignition |
≤1.0% |
0.07% |
Assay |
≥750μ/mg |
838μ/m |