Erythromycin Ph. Eur.


CAS no. 114-07-8

Erythromycin is an antibiotic used for the treatment of various bacterial infections in veterinary and human medicine. 

Erythromycin Ph. Eur. is a mixture of macrolide antibiotics produced by a strain of Streptomyces erythreus.

Erythromycin can be used to treat bacteria responsible for causing infections of the skin and upper respiratory tract, including Streptococcus, Staphylococcus, Haemophilus and Corynebacterium genera.

BHM Chemicals is a supplier of Ph. Eur. quality Erythromycin suitable for use in veterinary and human medicinal preparations.

We can also supply: Erythromycin Ethyl Succinate, Erythromycin Stearate, Erythromycin Estolate, Erythromycin Propionate, Erythromycin Phosphate, Erythromycin 11,12 Carbonate.

Minimum order quantity: 25kg





Specific optical rotation



Sulphated ash

Any impurity

Total impurities

Erythromycin A + B + C

Erythromycin B

Erythromycin C




White or slightly yellow powder or colourless or slightly yellow crystals,

slightly hygroscopic. Slightly soluble in water (the solubility decreases as the temperature rises), freely soluble in alcohol, soluble in methanol.

Conforms to Ph. Eur. test

-71o to -78o

Not more than 0.3%

Not more than 6.5%

Not more than 0.2%

Not more than 3.0%

Not more than 7.0%

93.0% to 102.0%

Not more than 5.0%

Not more than 5.0%

Non-hazardous chemical

Keep container tightly closed in a cool and dry place and protected from light. Protect from contamination by foreign substances.