Propylene glycol alginate

Propylene glycol alginate^[1]
Names

Other names Hydroxypropyl alginate, Propane 1,2-diol alginate, E405
Identifiers
CAS Registry Number	9005-37-2^Y
ChemSpider	^Y
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 noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Y verify (what is: Y/N?)
Infobox references

This article is about the food additive E405. For the Italian E405 locomotive, see FS Class E.405.

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]

References

↑ 1.0 1.1 Propylene glycol alginate, Food and Agriculture Organization of the United Nations