Cetrimide Ph. Eur.


CAS no. 57-09-0

Cetrimide is an antiseptic agent used in variaty of applications for external use.

Cetrimide consists of trimethyltetradecylammonium bromide and may contain smaller amounts of dodecyl- and hexadecyl trimethylammonium bromides.

It is used in various applications fo example antiseptic agents, diagnostic test and analysis, topical formulations, and dental treatment.

BHM Chemicals is a supplier of Ph. Eur. quality Cetrimide. 

Minimum order quantity: 25kg




Assay (content)


Appearance of solution

Acidity or alkalinity

Amines and amine salts

Loss on drying

Sulphated ash




White or almost white, voluminous, free-flowing powder.

Freely soluble in water and in alcohol.

96.0% to 101.0% (as C17H38 BrN, dried basis)

Conforms to Ph. Eur. tests

As per Ph. Eur. test: Solution S is clear and colourless

As per Ph. Eur. test: Not more than 0.1 ml of 0.1 M HCl or 0.1 M NaOH is required to change the colour of the indicator

As per Ph. Eur. test: The volume of titrant added between the 2 points is not greater than 2.0 ml

Maximum 2.0%

Maximum 0.5%

Hazardous class 9, UN 3077, Packing group III

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