Propylene glycol alginate

Product Description

Name Propylene Glycol Alginate ( PGA )
Synonyms  N-4-[(2-Amido-4-oxo-1,4-dihydro-6-terene)methylamino]benzoyl-L-glutamic acid; Vitamin B; Vitamin B11; Vitamin BC; Vitamin M; L-Pteroylglutamic acid; PGA 
Molecular Formula  C19H19N7O6
Molecular Weight  441.40
CAS Registry Number  59-30-3
EINECS  200-419-0
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.
Speciafication
Product name  Propylene Glycol Alginate ( PGA )
Molar mass 234.21 per structural unit (theoretical)
Appearance white to yellowish brown filamentous, grainy, granular or powdered forms
Solubility in water Soluble
Melting point 250ºC