| Melting point | 301-305 °C (dec.)
|
| Boiling point | 218.95°C (rough estimate) |
| density | 1.00 g/mL at 20 °C
|
| FEMA | 4223 | BETAINE |
| refractive index | 1.4206 (estimate) |
| storage temp. | 2-8°C
|
| solubility | methanol: 0.1 g/mL, clear
|
| pka | 1.83(at 0℃) |
| form | Crystals or Crystalline Powder |
| color | colorless |
| Water Solubility | 160 g/100 mL |
| Sensitive | Hygroscopic |
| Merck | 14,1179 |
| BRN | 3537113 |
| Stability: | Stable. Hygroscopic. Incompatible with strong oxidizing agents. |
| InChIKey | KWIUHFFTVRNATP-UHFFFAOYSA-N |
| CAS DataBase Reference | 107-43-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Methanaminium, 1-carboxy-n,n,n-trimethyl-, hydroxide, inner salt(107-43-7) |
| EPA Substance Registry System | Betaine (107-43-7) |
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