A5688912
MES , 99% , 4432-31-9
Synonym(s):
2-(N-Morpholino) ethanesulfonic acid;2-(N-Morpholino)ethanesulfonic Acid;4-Morpholineethanesulfonic acid
CAS NO.：4432-31-9
Empirical Formula: C6H13NO4S
Molecular Weight: 195.24
MDL number: MFCD00006181
EINECS: 224-632-3
| Pack Size | Price | Stock | Quantity |
| 25G | RMB53.60 | In Stock |
|
| 100G | RMB120.80 | In Stock |
|
| 500G | RMB388.00 | In Stock |
|
| 2.5kg | RMB1436.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >300 °C(lit.) |
| Boiling point: | 102°C |
| Density | 1.208 (estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | 2-8°C |
| solubility | H2O: 0.5 M at 20 °C, clear |
| 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 |
| form | Powder |
| color | White |
| PH | 2.5-4.0 (25℃ in neat) |
| PH Range | 5.5 - 6.7 |
| 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 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | SXGZJKUKBWWHRA-UHFFFAOYSA-N |
| LogP | -2.2 at 20℃ |
| CAS DataBase Reference | 4432-31-9(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Morpholineethanesulfonic acid (4432-31-9) |
Description and Uses
MES solution has been used to activate microspheres. It has also been used as a component of activating solution to activate carboxyl groups of poly lactic-co-glycolic acid (PLGA).
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P271-P280 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-24/25-22 |
| WGK Germany | 1 |
| RTECS | QE9104530 |
| HS Code | 29349990 |
