Propylene glycol alginate

Chemical compound used as emulsifier, stabilizer, and thickener in food products
Propylene glycol alginate[1]
Names
Other names
Hydroxypropyl alginate,
Propane 1,2-diol alginate,
E405
Identifiers
CAS Number
  • 9005-37-2 checkY
ChemSpider
  • none
ECHA InfoCard 100.123.773 Edit this at Wikidata
EC Number
  • 618-414-0
E number E405 (thickeners, ...)
PubChem CID
  • 131752735
UNII
  • 26CD3J2R0C checkY
CompTox Dashboard (EPA)
  • DTXSID7044186 Edit this at Wikidata
Properties
Molar mass 234.21 per structural unit (theoretical)
Appearance white to yellowish brown filamentous, grainy, granular or powdered forms
Solubility in water
 Soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound

Propylene glycol alginate (PGA) is an emulsifier, stabilizer, and thickener used in food products. It is a food additive with E number E405. Chemically, propylene glycol alginate is an ester of alginic acid, which is derived from kelp. Some of the carboxyl groups are esterified with propylene glycol, some are neutralized with an appropriate alkali, and some remain free.[1]

See also

References

  1. ^ a b Propylene glycol alginate, Food and Agriculture Organization of the United Nations

External links

  • What is the "propylene glycol alginate" found in salad dressings? at The Straight Dope