Tetraethyl pyrophosphate
- Formula: C8H20O7P2
- Molecular weight: 290.1877
- IUPAC Standard InChI: InChI=1S/C8H20O7P2/c1-5-11-16(9,12-6-2)15-17(10,13-7-3)14-8-4/h5-8H2,1-4H3
- IUPAC Standard InChIKey: IDCBOTIENDVCBQ-UHFFFAOYSA-N
- CAS Registry Number: 107-49-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: TEPP; Diphosphoric acid, tetraethyl ester; Pyrophosphoric acid, tetraethyl ester; Bis[O,O-diethylphosphoric anhydride]; Bladan; Ethyl pyrophosphate (Et4P2O7); Nifos; Tetraethyl diphosphate; Tetrastigmine; Tetron; Tetron-100; TEP; Vapotone; Ethyl pyrophosphate, tetra-; ENT 18,771; Fosvex; Grisol; Hepthexamite; Killax; Kilmite 40; Lethalaire g-52; Lirohex; Mortopal; Nifost; EA 1285; HEPT; Hexamite; Rcra waste number P111; Killex; NSC 14707
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 82.2 | kJ/mol | A | Stephenson and Malanowski, 1987 | Based on data from 283. to 411. K. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Notes
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- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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