
4432-31-9
| Name | 4-Morpholineethanesulfonic acid |
| CAS | 4432-31-9 |
| EINECS(EC#) | 224-632-3 |
| Molecular Formula | C6H13NO4S |
| MDL Number | MFCD00006181 |
| Molecular Weight | 195.24 |
| MOL File | 4432-31-9.mol |
Chemical Properties
| Appearance | White/clear crystalline powder |
| Melting point | >300 °C(lit.) |
| Boiling point | 102°C |
| density | 1.208 (estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | Store at RT. |
| solubility | H2O: 0.5 M at 20 °C, clear |
| form | Powder |
| pka | pKa at 0.1M ionic: 0°, 6.38; 20°, 6.15; 37°, 5.98; pKa1 1.99; pKa2 6.21; pKa/°C -0.011 |
| color | White |
| PH | 2.5-4.0 (25℃ in neat) |
| PH Range | 5.5 - 6.7 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | 185.2g/L at 20℃ |
| λmax | λ: 260 nm Amax: 0.01 λ: 280 nm Amax: 0.01 |
| Merck | 13,5929 |
| BRN | 6350956 |
| Major Application | clinical research diagnostic assay manufacturing life science and biopharma ( ) metabolomics ( ) |
| InChI | 1S/C6H13NO4S/c8-12(9,10)6-3-7-1-4-11-5-2-7/h1-6H2,(H,8,9,10) |
Safety Data
| Symbol(GHS) | ![]() GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P271-P280 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 1 |
| RTECS | QE9104530 |
| TSCA | TSCA listed |
| REACH Registrations | Active |
| HS Code | 29349990 |
| Storage Class | 11 - Combustible Solids |
