380814

Eaton′s Reagent

• Synonym(s): Phosphorus pentoxide, 7.7 wt. % in methanesulfonic acid
• CAS Number: 39394-84-8
• MDL number: MFCD00070545
• UNSPSC Code: 12352302
• PubChem Substance ID: 57649804
• NACRES: NA.21

Properties

• form: liquid
• Quality Level: 100
• concentration: 7.2-8.5% P₂O₅ (by NaOH, titration)
• refractive index: n20/D 1.435
• bp: 122 °C/1 mmHg
• density: 1.5 g/mL at 25 °C
• SMILES string: CS(O)(=O)=O.O=P(=O)OP(=O)=O
• InChI: 1S/CH4O3S.O5P2/c1-5(2,3)4;1-6(2)5-7(3)4/h1H3,(H,2,3,4);
• InChI key: JHNLZOVBAQWGQU-UHFFFAOYSA-N

Description

General description

Eaton′s Reagent contains 7.7wt% phosphorus pentoxide in methanesulfonic acid. It is commonly used as a catalyst and condensing agent.

Application

Eaton′s Reagent may be used in the synthesis of the following:

• Fluorene-based hole-transporting material.
• Mono and bis-chalcone derivatives via Claisen-Schmidt condensation reaction between arylaldehydes and ketones.
• 4-Hydroxycoumarins and 4-hydroxy-2-quinolinones derivatives.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H290,H302,H314,H335
• pcodes: P234 - P261 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter