Methylethanolamine
2-(Methylamino)ethanol
CAS: 109-83-1
Molecular Formula: C3H9NO
Methylethanolamine - Names and Identifiers
| Name | 2-(Methylamino)ethanol |
| Synonyms | MMEA AKOS BBS-00004409 1-aminopropan-2-ol Methylethanolamine METHYLETHYLOLAMINE 2-METHYLAMINOETHANOL N-Methylethanolamine N-METHYLETHANOLAMINE 1-(methylamino)ethanol 2-(Methylamino)ethanol 2-(METHYLAMINO)ETHANOL Monomethylamino ethanol N-MethylEthanolamine(Mmea) N-METHYL(B-HYDROXYETHYL)AMINE 2-hydroxy-N-methylethanaminium |
| CAS | 109-83-1 |
| EINECS | 203-710-0 |
| InChI | InChI=1/C3H9NO/c1-4-2-3-5/h4-5H,2-3H2,1H3/p+1 |
Methylethanolamine - Physico-chemical Properties
| Molecular Formula | C3H9NO |
| Molar Mass | 75.11 |
| Density | 0.935g/mLat 25°C(lit.) |
| Melting Point | -3 °C |
| Boling Point | 159°C(lit.) |
| Flash Point | 163°F |
| Water Solubility | miscible |
| Vapor Presure | 0.5 mm Hg ( 20 °C) |
| Vapor Density | 2.6 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| Merck | 14,6015 |
| BRN | 1071196 |
| pKa | pK1:9.88(＋1) (25°C) |
| PH | 13.6 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with oxidizing agents. |
| Explosive Limit | 1.6-17.7%(V) |
| Refractive Index | n20/D 1.439(lit.) |
| Use | Used as pharmaceutical, organic synthesis intermediates |
Methylethanolamine - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R34 - Causes burns R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2735 8/PG 2 |
| WGK Germany | 1 |
| RTECS | KL6650000 |
| TSCA | Yes |
| HS Code | 29221980 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 1391 mg/kg LD50 dermal Rabbit 1006 mg/kg |
Methylethanolamine - Reference Information
| LogP | -0.91 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | methylmonoethanolamine (N-Methyl monoetholamine), commonly known as MMEA, it is a colorless or yellowish liquid with ammonia odor, which is flammable and miscible with water, ethanol, benzene, ether and acetone. |
| Use | methylmonoethanolamine can be used as an intermediate in the synthesis of pharmaceuticals and organic compounds. methyl monoethanolamine is also an inhibitor of ethanolamine phosphokinase. |
| spontaneous combustion temperature | 662 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-05-21 11:46:49
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