| Name | Betaine | |
| Synonyms | 2-(Trimethylammonio)ethanoic acid hydroxide inner salt; (Carboxymethyl)trimethylammonium hydroxide inner salt; Glycine betaine; Methanaminium; Trimethylammonioacetate | |
| Molecular Structure | ||
| Molecular Formula | C5H11NO2 | |
| Molecular Weight | 117.15 | |
| CAS Registry Number | 107-43-7 | |
| EINECS | 203-490-6 | |

