Ethylphosphonic acid
[CAS# 6779-09-5]

Identification

• Classification: Organic raw materials >> Organic phosphine compound
• Name: Ethylphosphonic acid
• Synonyms: Ethanephosphonic acid
• Molecular Formula: C₂H₇O₃P
• Molecular Weight: 110.05
• CAS Registry Number: 6779-09-5
• EC Number: 229-839-2

Properties

• Solubility: Freely soluble (174 g/L) (25 ºC), Calc.^*
• Density: 1.363±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 236 ºC (decomp)^**
• Boiling point: 330-340 ºC (8 Torr)^***
• Flash point: 111.3±22.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Bergmann, Ernst; Berichte der Deutschen Chemischen Gesellschaft [Abteilung] B: Abhandlungen 1931, V64B, P1455-80.

^*** Malatesta, Lamberto; Gazzetta Chimica Italiana 1946, V76, P167-81.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Serious eye damage	Eye Dam.	1	H318
Substances or mixtures corrosive to metals	Met. Corr.	1	H290