| Identification | Back Directory | [Name]
BETAINE MONOHYDRATE | [CAS]
17146-86-0 | [Synonyms]
BET H2O
BETAINE HYDRATE
BETAINE 1-HYDRATE
Betaine hydroxide
Trimethylglycine=TMG
Betaine cryst. research grade
(CARBOXYMETHYL)TRIMETHYLAMMONIUM HYDROXIDE | [EINECS(EC#)]
203-490-6 | [Molecular Formula]
C5H13NO3 | [MDL Number]
MFCD00150010 | [MOL File]
17146-86-0.mol | [Molecular Weight]
135.16 |
| Hazard Information | Back Directory | [Definition]
ChEBI: Glycine betaine hydrate is a hydrate that is the monohydrate form of glycine betaine. It has a role as a fundamental metabolite. It contains a N,N,N-trimethylglycinium. | [Purification Methods]
Crystallise betaine from aqueous EtOH or EtOH/Et2O. The monohydrate loses H2O above 100o. Betaine undergoes internal alkylation to methyl dimethylaminoacetate Purification of Biochemicals — Amino Acids and Peptides above its melting point. It is also prepared by treating the hydrochloride (below) with silver oxide and recrystallising from EtOH/Et2O. [Edsall J Am Chem Soc 66 1767 1943, Leifer & Lippincott J Am Chem Soc 79 5098 1957, for pK see Grob et al. Chem and Ind (London) 1222 1955, Beilstein 4 III 1127, 4 IV 2369.] |
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