Magnesiummethanolat
Methanol, magnesium salt (2:1)
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Grundinformationen
- CAS
109-88-6- Standard-SMILES
C[O-].C[O-].[Mg+2]- InChIKey
CRGZYKWWYNQGEC-UHFFFAOYSA-N- Summenformel
- C2H6MgO2
- Durchschnittliche Molmasse
- 86,373 g/mol
- Monoisotopische Masse
- 86,02182113
Namen und Bezeichner
- Bevorzugter Name
- Methanol, magnesium salt (2:1)
- IUPAC
- Magnesium dimethoxide
- Lokaler Name
- Magnesiummethanolat
- Englischer Name
- Magnesium methoxide
- Summenformel
- C2H6MgO2
- Molmasse
- 86.37
Namen und Synonyme
magnesium methanolatenesium methoxideDimethoxymagnesiumMethanol MagnesiumMAGNESIUM METHYLATEMagnesium methoxideManganese()methoxideMAGNESIUM DIMETHOXIDEBis(methoxy)magnesiumMagnesium bismethoxide
Datenbank-Bezeichner
- CAS
109-88-6- PubChem CID
- 164537
- DTXSID
DTXSID50890493- EC Number
- 203-715-8
Eigenschaften
Berechnete StruktureigenschaftenWird ergänzt
- Polarare Oberfläche (TPSA)
- 46,1 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 2
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 5
- Formalladung
- 0
- Komplexität
- 2
Experimentelle und physikochemische Eigenschaften
Physical DescriptionSolution in >90% methanol: Clear to slightly hazy solution with an odor of alcohol; [Gelest MSDS]
Physikochemische Eigenschaften
- Dichte
- 0.816 g/mL · 0.816 g/mL at 25 °C
- Dampfdruck
- 17 kPa · 17kPa at 25℃
- Brechungsindex
- 20 · n20/D 1.3381
- Flammpunkt
- 46 °F · 46 °F
- Löslichkeit
- Chloroform (Soluble), Methanol (Soluble), Water (Soluble)
- Aggregatzustand
- Liquid
- Wichte
- 0.815 · 0.815
- Wasserlöslichkeit
- Decomposes in water.
- Stabilität
- Hygroscopic, Moisture sensitive
- InChI
- 1S/2CH3O.Mg/c2*1-2;/h2*1H3;/q2*-1;+2
- InChIKey
- CRGZYKWWYNQGEC-UHFFFAOYSA-N
- SMILES
- CO[Mg]OC
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H225 (39.7%): Highly Flammable liquid and vapor [Danger Flammable liquids]；H301 (12.8%): Toxic if swallowed [Danger Acute toxicity, oral]；H311 (12.8%): Toxic in contact with skin [Danger Acute toxicity, dermal]；H314 (56.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]；H318 (53.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]；H331 (12.8%): Toxic if inhaled [Danger Acute toxicity, inhalation]；H370 (12.8%): Causes damage to organs [Danger Specific target organ toxicity, single exposure]
P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P308+P316, P316, P317, P321, P330, P361+P364, P363, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 78 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Gefahrenhinweise
Regulatory Information
Chemical: Methanol, magnesium salt
Status: Active Update: 14-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/22501；Status: Active Update: 11-06-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/19818
Other Safety InformationIMAP assessments - Methanol, magnesium salt: Environment tier I assessment
Hazards Summary
Chemie und Industrie
Verwendung und Herstellung
General Manufacturing InformationMethanol, magnesium salt (2:1): ACTIVE
Anwendungen
VerwendenThe use of magnesium methoxide for the deprotection of alkyl esters is described. This mild reagent provides a good method to cleave esters efficiently and more importantly, allows for effective differentiation between two different esters. Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide. 20 mol% DEA additions to magnesium methoxide showed enhanced stability such that a time-dependent change in the sol was not observed in air. Also enhanced the crystallization process.
Darstellung
synthetischeMagnesium Methoxide is prepared by addition of small batches of Magnesium metal to anhydrous MeOH.[1]
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