8.00549

Triethylphosphite

for synthesis

• Synonyme(s) : Triethylphosphite
• Formule empirique (notation de Hill): C₆H₁₅O₃P
• Numéro CAS: 122-52-1
• Poids moléculaire : 166.16
• Numéro MDL: MFCD00009084
• Code UNSPSC : 12352108
• Numéro de classement CE : 204-552-5
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: <6 hPa ( 20 °C)
• Niveau de qualité: 200
• Pureté: ≥97.0% (GC)
• Forme: liquid
• Température d'inflammation spontanée: 250 °C
• Puissance: 2800 mg/kg LD₅₀, skin (Rabbit)
• Limite d'explosivité: 3.75-42.5 % (v/v)
• Point d'ébullition: 156-158 °C/1013 hPa
• Pf: -112 °C
• Température de transition: flash point 52 °C
• Densité: 0.956 g/cm³ at 20 °C
• Température de stockage: no temp limit
• InChI: 1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3
• Clé InChI: BDZBKCUKTQZUTL-UHFFFAOYSA-N

Description

Application

• Mechanism of acylative oxidation-reduction-condensation reactions: Research details the use of triethylphosphite as a stoichiometric reductant in acylative oxidation-reduction-condensation reactions, utilizing benzoisothiazolones as oxidants. This study provides insights into the reaction mechanisms and potential applications in synthetic chemistry (Gangireddy et al., 2017).


• Synthesis and antitumor activity of oxazaphosphinane derivatives: A study on the efficient synthesis of novel oxazaphosphinane derivatives using triethylphosphite, exploring their antitumor activities. The research includes X-ray crystallography, DFT studies, and molecular docking to evaluate the potential medical applications (Bahadi et al., 2023).


• Reductive Ireland-Claisen Rearrangements: Triethylphosphite is highlighted in copper-catalyzed reductive Ireland-Claisen rearrangements of propargylic acrylates and allylic allenoates, demonstrating its role in facilitating complex molecular transformations in organic synthesis (Guo et al., 2022).


• Desulfurization under UV light: Triethylphosphite is used in the synthesis of deoxyglycosides through desulfurization processes under UV light, showcasing its utility in glycoscience and the development of new glycoconjugates for various applications (Ge et al., 2017).


• Detection and identification of volatile trialkylphosphites: A derivatization strategy employing triethylphosphite for the detection and identification of volatile trialkylphosphites using liquid chromatography-online solid phase extraction and offline nuclear magnetic resonance spectroscopy, highlighting its analytical applications (Mazumder et al., 2015).

Remarque sur l'analyse

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.955 - 0.957
Identity (IR): passes test

Informations sur la sécurité

• Pictogrammes: GHS02,GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H226 - H302 - H317 - H412
• Conseils de prudence: P210 - P233 - P273 - P280 - P301 + P312 - P303 + P361 + P353
• Classification des risques: Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 3 - Skin Sens. 1B
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): 129.2 °F - closed cup
• Point d'éclair (°C): 54 °C - closed cup