Carboxy Methyl Cellulose is always Sold as the Sodium Salt and to be Scientifically precise should be called Sodium Carboxy Methyl Cellulose however, it has become fairly well established trade practice to call the commercial product Carboy Methyl Cellulose or CMC.
The Structural Formula
CMC is produced by the reaction of cellulose with sodium hydroxide and monochloro acetic acid.
Technological reasons for use.
- Many types are available with especially adapted Varieties for numerous applications.
- It is Colourless, ordourless and tasteless.
- It has better resistance towards micro-organisms that many unmodified natural products.
- Preservation of properties within very narrow limits.
- It is easily Soluble, even in cold water.
- Binding and thickening.
- Suspending and Stabilizing.
- Forming protective film.
- Improving rheological properties.
- Giving Body