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| CAS No.: | 4432-31-9 |
|---|---|
| Name: | 4-Morpholineethanesulfonic acid |
| Molecular Structure: | |
|
|
|
| Formula: | C6H13NO4S |
| Molecular Weight: | 195.24 |
| Synonyms: | 2-(4-Morpholino)ethanesulfonicacid;2-(4-Morpholinyl)ethanesulfonic acid;2-(N-Morpholino)ethanesulfonicacid;2-Morpholinoethanesulfonic acid;MES;MES (buffering agent);Morpholinoethanesulfonic acid;NSC 157116; |
| EINECS: | 224-632-3 |
| Density: | 1.349 g/cm3 |
| Melting Point: | >300 °C(lit.) |
| Boiling Point: | 102°C |
| Solubility: | 0.5 M at 20 °C in water, clear |
| Appearance: | White/clear crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36-24/25-22 |
| PSA: | 75.22000 |
| LogP: | 0.22510 |
| Conditions | Yield |
|---|---|
| In water at 60℃; for 6h; Large scale; | 85% |
4-morpholineethanesulfonic acid
| Conditions | Yield |
|---|---|
| With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 48h; | 72% |
| Conditions | Yield |
|---|---|
| With water; sodium sulfite |
4-morpholineethanesulfonic acid
1,1'-(1,4-butanediyl)bis(2-ethylbenzimidazole)
water
| Conditions | Yield |
|---|---|
| In ethanol; ammonia aq. NH3; Ag compd., acid, and ligand (1:2:1 molar ratio) in EtOH, stirred for 30 min, dissolved (aq. ammonia); crystd. on storage at room temp., elem. anal.; | 68% |
4-morpholineethanesulfonic acid
1,1′-(1,4-butanediyl)bis(2-methylbenzimidazole)
| Conditions | Yield |
|---|---|
| In ethanol; ammonia aq. NH3; Ag compd., acid, and ligand (1:2:1 molar ratio) in EtOH, stirred for 30 min, dissolved (aq. ammonia); crystd. on storage at room temp., elem. anal.; | 66% |
| Conditions | Yield |
|---|---|
| With (batho)2CuII (batho = 2,9-dimethyl-4,7-diphenyl-1,10-phenanthrolinedisulfonate); water at 25℃; for 24h; Rate constant; pH 8; |
benzo[c][1,2,5]thiadiazole-4,7-dicarbonitrile
4-morpholineethanesulfonic acid
| Conditions | Yield |
|---|---|
| With cetyltrimethylammonim bromide In water Mechanism; Irradiation; electron transfer in presence of micelles or bilayers; |
| Conditions | Yield |
|---|---|
| With benzo[c][1,2,5]thiadiazole-4,7-dicarbonitrile; cetyltrimethylammonim bromide In water for 2.5h; Mechanism; Irradiation; | |
| With benzo[c][1,2,5]thiadiazole-4,7-dicarbonitrile; dimethyldioctadecylammonium bromide In water for 2.5h; Mechanism; Irradiation; |
4-morpholineethanesulfonic acid
2-morpholinoethanesulfonyl chloride
| Conditions | Yield |
|---|---|
| With oxalyl dichloride In dichloromethane at 0℃; |
4-morpholineethanesulfonic acid
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: oxalyl dichloride / dichloromethane / 0 °C 2: triethylamine / dichloromethane / 18 h / 20 °C View Scheme |
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IUPAC Name: 2-Morpholin-4-ylethanesulfonic acid
Molecular Formula of 2-Morpholinoethanesulfonic acid (CAS NO.4432-31-9): C6H13NO4S
Molecular Weight: 195.2367
EINECS: 224-632-3
Molecular Structure:
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Melting Point: >300 °C
ProductCategories: Pharmaceutical Raw Materials ; Biochemistry ; Good's Buffers ; Biotechnology Performance Certified (BPC) BuffersBiological Buffers ; Buffer Convenience Packaging ; Buffer SolutionsBiological Buffers ; Buffers A to ZBiological Buffers ; Good Buffers ; BioUltraBiological Buffers ; Buffer SolutionsProtein Structural Analysis ; AlphabeticalMolecular Biology ; Biological Buffers ; BioUltra Buffers ; Molecular Biology Reagents ; Optimization Reagents ; X-Ray Crystallography
Polar Surface Area: 64.22 Å2
Index of Refraction: 1.516
Molar Refractivity: 43.75 cm3
Molar Volume: 144.6 cm3
Surface Tension: 49.6 dyne/cm
Density of 2-Morpholinoethanesulfonic acid (CAS NO.4432-31-9): 1.349 g/cm3
2-Morpholineethanesulfonic acid(CAS NO.4432-31-9) is used for soap and soap in the soap dispersing agent for calcium. Can replace sodium tripolyphosphate as low phosphorus or phosphorus-free detergent. Can also be active in the liquid detergent in the matter. Industry as the bubble-type mineral flotation agent. Degreasing of leather, dyes, pigments, pesticides as dispersing agent, wetting agent. In the printing industry to make deinking agent.Be used as a facial cleanser, shampoo, bubble bath type agents, dishwashing detergents, hand-washing agent of raw materials, etc.
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| quail | LD50 | oral | > 316mg/kg (316mg/kg) | Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982. |
Reported in EPA TSCA Inventory.
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S24/25: Avoid contact with skin and eyes.
S22: Do not breathe dust.
WGK Germany: 1
RTECS: QE9104530
A poison by ingestion. When heated to decomposition it emits toxic vapors of NOx and SOx.
Synonyms of 2-Morpholinoethanesulfonic acid (CAS NO.4432-31-9) are 2-(4-Morpholinyl)ethanesulfonic acid ; 2-(N-Morpholino)ethanesulfonic acid ; 4-27-00-00370 (Beilstein Handbook Reference) ; 4-Morpholinethanesulfonic acid ; AI3-62517 ; Ethanesulfonic acid, 2-morpholino- ; MES ; MES (buffering agent) ; Morpholineethanesulfonic acid ; Morpholino-N-ethylsulfonate ; Morpholinoethanesulfonic acid . It is stable but incompatible with strong oxidizing agents.
