| Melting point: |
41-44 °C(lit.) |
| Boiling point: |
125 °C |
| alpha |
-0.2～+0.2°(20℃/D)(c=5,H2O) |
| Density |
1.04 g/mL at 20 °C |
| vapor density |
5.3 (vs air) |
| vapor pressure |
0.019-0.29Pa at 20-50℃ |
| refractive index |
1.5200 (estimate) |
| Flash point: |
>230 °F |
| storage temp. |
-20°C (or 4°C short term). |
| solubility |
H2O: 50 mg/mL, clear, colorless |
| form |
Powder |
| pka |
pK1:8.9 (25°C) |
| color |
White |
| PH |
4.0-6.0 (20-25℃, 0.1m in H2O) |
| Odor |
Unpleasant Odor |
| PH Range |
4 - 6 at 15,4 g/l at 25 °C |
| Water Solubility |
freely soluble |
| λmax |
λ: 260 nm Amax: 0.400
λ: 280 nm Amax: 0.100 |
| Sensitive |
Air Sensitive |
| Merck |
14,3376 |
| BRN |
1719757 |
| Stability: |
Stability Stable, but heat sensitive. Incompatible with strong oxidizing agents. Keep frozen at -20 to -10 C. |
| InChIKey |
VHJLVAABSRFDPM-UHFFFAOYSA-N |
| LogP |
0.07 at 25℃ and pH5 |
| CAS DataBase Reference |
3483-12-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
2,3-Butanediol, 1,4-dimercapto-, (r*,r*)-(3483-12-3) |
| EPA Substance Registry System |
1,4-Dithiothreitol (3483-12-3) |