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Online Edition: "Specifications for Flavourings"

Flavouring Betaine
Synonym(s) 1-Carboxy-N,N,N-trimethylmethanaminium hydroxide inner salt; (Carboxymethyl)trimethylaminum hydroxide inner salt; Glycine betaine; Glycylbetaine; N,N,N-Trimethylglycine; Trimethylglycine hydroxide inner salt; Trimethylglycine
Latest JECFA evaluation 2020 (Session 89)
Status of specification Full
Chemical name 2-(trimethylazaniumyl)acetate
JECFA number 2265
CAS number 107-43-7
FEMA number 4223
COE number
FLAVIS number
Molecular weight 117.15
Chemical formula C5H11NO2
Physical form/odour Free-flowing, white crystals; Savoury
Solubility Very soluble
Solubility in ethanol Soluble
Boiling point (°C)
Assay min % 95%
Acid value max
Refractive index
Specific gravity
Other requirements mp: 293º
ID Test IR