Chlorhexidine base (CAS 55-56-1)

Chlorhexidine base (CAS 55-56-1)

Chlorhexidine base is barely soluble in water, but it is used to produce salt forms: chlorhexidine diacetate (CHA), chlorhexidine dihydrochloride, chlorhexidine digluconate (bigluconate), chlorhexidine gluconate and chlorhexidine phosphate. These salts forms chlorhexidine solutions that are colorless, odorless and have a bitter taste.

Free base of chlorhexidine is a white crystalline powder.


Available package: 

50 kg drum

25 kg drum


SPECIFICATION


Product name:

 

Chlorhexidine base CAS 55-56-1

 

Nr

Item

Limits

Reference

1

Appearance

 

White crystalline powder

 

In-house standard

2

Structure

3

 

MP

 

Between 132 °C and 136 °C

 

In-house standard

4

 

Loss on drying

 

 

0.25% max

 

In-house standard

5

 

Chlorides

 

 

0.05%%

In-house standard

6

 

Sulfated ash

 

 

0.1% max

In-house standard

7

 

p-Chloraniline

 

 

Less than 50 ppm

In-house standard

8

 

Assay

 

 

NLT 98% and NMT 102% by titration

In-house standard