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Dimethyl (1-diazo-2-oxopropyl)phosphonate
DIMETHYL (1-DIAZO-2-OXOPROPYL)PHOSPHONATE · Bestmann-Ohira reagent · Ohira-Bestmann reagent · Bestmann-Ohira · 1-Diazo-1-dimethoxyphosphoryl-propan-2-one · Dimethyl (acetyldiazomethyl)phosphonate · Dimethyl (1-Diazo-2-oxopropyl)phosphonat · dimethyl 1-(1-diazo-2-oxopropyl)phosphonate
Identifikatoren & physikalische Daten
| CAS No. | 90965-06-3 |
|---|---|
| Summenformel | C5H9N2O4P |
| Durchschnittliche Molmasse | 192,11 g/mol |
| Monoisotopische Masse | 192,02999377 g/mol |
| SMILES | COP([O-])(OC)=C([N+]#N)C(C)=O |
| InChIKey | SQHSJJGGWYIFCD-UHFFFAOYSA-N |
| PubChem CID | 53397103 |
| EC No. | 692-521-0 |
| DTXSID | DTXSID70455381 |
Chemische & physikalische Eigenschaften
| XLogP | -0,5 |
|---|---|
| Polarare Oberfläche (TPSA) | 86,7 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 5 |
| Frei drehbare Bindungen | 3 |
| Schwere Atome | 12 |
| Formalladung | 0 |
| Komplexität | 281 |
| Dichte | 1.28 |
| Brechungsindex | n20/D1.352-1.354 |
| Flammpunkt | 2℃ |
| Lagerbedingungen | 2-8°C |
| Löslichkeit | Chloroform, Methanol (Slightly) |
| Aggregatzustand | Oil |
| Farbe | Pale Yellow to Yellow |
| Merck | 14,1177 |
| BRN | 4247670 |
| Stabilität | Light Sensitive |
| InChI | InChI=1S/C5H9N2O4P/c1-4(8)5(7-6)12(9,10-2)11-3/h1-3H3 |
| InChIKey | SQHSJJGGWYIFCD-UHFFFAOYSA-N |
| SMILES | P(=O)(OC)(OC)C(=[N+]=[N-])C(=O)C |
Sicherheit & Vorschriften
| Wassergefährdungsklasse (WGK) | 3 |
|---|---|
| UN-Transportnummer | UN 1648 3 / PGII |
| Zollcode | 29319090 |
| R-Sätze (R) | 11-20/21/22-36 |
| Gefahrensymbole | F,Xn |
| Sicherheitshinweise (S) | 16-26-36/37 |
| Gefahrenklasse | 3Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralEye Irrit. 2Flam. Liq. 2 |
| Verpackungsgruppe | II |
| Lagerklasse | 3 - Flammable liquids |
Anwendungen & Verwendung
Beschreibung
Dimethyl (1-diazido-2-oxopropyl)phosphonate is a liquid-added organophosphorus flame retardant with good solubility with water, common organic solvents, and inorganic salts flame retardants, with excellent flame retardant properties, low price and low additive amount and other advantages.
Verwenden
Reagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.