Ammonium diethyl dithiophosphate
Names
Preferred IUPAC name
Azanium O,O′-diethyl phosphorodithioate
Other names
Ammonium O,O′-diethyldithiophosphate; Ammonium O,O-diethyl phosphorodithioate; Ammonium O,O-diethyl dithiophosphate; Ammonium O,O-diethyl diethiophosphate; Phosphorodithioic acid, O,O-diethyl ester, ammonium salt
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.676
EC Number
  • 213-942-4
UNII
  • InChI=1S/C4H11O2PS2.H3N/c1-3-5-7(8,9)6-4-2;/h3-4H2,1-2H3,(H,8,9);1H3
    Key: HFRHTRKMBOQLLL-UHFFFAOYSA-N
  • [S-]P(=S)(OCC)OCC.[NH4+]
Properties
C4H14NO2PS2
Molar mass 203.25 g·mol−1
Appearance White to yellowish crystals
Melting point 438 K (165 °C)
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H312, H332
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
1
0
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ammonium diethyl dithiophosphate or more systematically ammonium O,O′-diethyl dithiophosphate, is the ammonium salt of diethyl dithiophosphoric acid. It is used as a source of the (C2H5O)2PS2− ligand in coordination chemistry and in analytical chemistry for determination of various ions. It can be obtained by the reaction of phosphorus pentasulfide with ethanol and ammonia. In crystal structure of this compound the ammonium cation is connected by four charge-assisted N—H···S hydrogen bonds to four tetrahedral diethyl dithiophosphate anions.[1]

See also

References

  1. ↑ Okuniewski, Andrzej; Becker, Barbara (2011). "Ammonium O,O′-diethyl dithiophosphate". Acta Crystallogr. E. 67 (7): o1749–o1750. doi:10.1107/S1600536811022811. PMC 3151957. PMID 21837134.
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