Ammonium alginate

Ammonium alginate

Names
Other names E403
Identifiers
CAS Number	9005-34-9  N
ECHA InfoCard	100.124.851
E number	E403 (thickeners, ...)
PubChem CID	135314377
CompTox Dashboard (EPA)	DTXSID301010952
Properties
Chemical formula	C6H11NO6
Molar mass	193.155 g·mol−1
Appearance	brown solid
Density	1.79 g/cm3
Boiling point	300 °C
Solubility in water	soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium alginate is a chemical compound with the chemical formula NH₄C₆H₇O₆.This is an organic ammonium salt of alginic acid. ^{[1] [2]} This is also a natural polyuronide found in certain brown algae. ^[3]

Physical properties

The compound exists in white to yellowish brown filamentous, grainy, granular, or powdered forms. ^[4]

Soluble in water. ^[5]

Uses

The compound is used in the food industry as a stabilizer, thickener, gelling agent, emulsifier. ^[6]

References

1. "ALGINIC ACID, AMMONIUM SALT". Sigma Aldrich . Retrieved 9 March 2025.
2. Ahmed, Shakeel (13 February 2019). Alginates: Applications in the Biomedical and Food Industries. John Wiley & Sons. p. 206. ISBN   978-1-119-48798-2 . Retrieved 10 March 2025.
3. Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and Index. Division of the Federal Register, the National Archives. 1999. p. 462. Retrieved 10 March 2025.
4. "AMMONIUM ALGINATE" (PDF). FAO . Retrieved 10 March 2025.
5. Jana, Sougata (21 January 2022). Micro- and Nanoengineered Gum-Based Biomaterials for Drug Delivery and Biomedical Applications. Elsevier. p. 261. ISBN   978-0-323-90987-7 . Retrieved 10 March 2025.
6. Burdock, George A. (1997). Encyclopedia of Food and Color Additives. CRC Press. p. 64. ISBN   978-0-8493-9412-6 . Retrieved 10 March 2025.