chempirical

Hexamethylphosphoramide

C6H18N3OPCAS 680-31-9179.20 g/mol

Open in Covalent MOL file
NPONN

Properties

Molecular formula
C6H18N3OP
Molar mass
179.20 g/mol
Exact mass
179.1187 Da
Density
1.03 g/mL (at 20 °C)
Melting point
5–7 °C
Boiling point
233 °C
Flash point
105 °C
Water solubility
miscible
logP
0.78Crippen estimate
Polar surface area
26.8 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
3

Hazards

Danger
Health Hazard (GHS08)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P203, P280, P318, P405, P501

Identifiers

CAS number
680-31-9
SMILES
CN(C)P(=O)(N(C)C)N(C)C
InChIKey
GNOIPBMMFNIUFM-UHFFFAOYSA-N
InChI
InChI=1S/C6H18N3OP/c1-7(2)11(10,8(3)4)9(5)6/h1-6H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

27 names · show all
  • Phosphoric triamide, N,N,N′,N′,N′′,N′′-hexamethyl-
  • Phosphoric triamide, hexamethyl-
  • N,N,N′,N′,N′′,N′′-Hexamethylphosphoric triamide
  • ENT 50,882
  • Hempa
  • Hexametapol
  • Hexamethylphosphoric acid triamide
  • Hexamethylphosphoric triamide
  • Hexamethylphosphorotriamide
  • HPT
  • Phosphoric tris(dimethylamide)
  • Phosphoryl hexamethyltriamide
  • Tris(dimethylamino)phosphine oxide
  • Hexamethylorthophosphoric triamide
  • HMPA
  • Phosphoric hexamethyltriamide
  • Phosphoric acid hexamethyltriamide
  • N,N′,N′′-Hexamethylphosphoramide
  • Eastman inhibitor HPT
  • HMPTA
  • HMPT
  • Hexamethyltriamidophosphate
  • NSC 113131
  • NSC 7967
  • Light stabilizer HPT
  • [Bis(dimethylamino)phosphoryl]dimethylamine
  • Hexamethylphosporic triamide

Reactions

Work with Hexamethylphosphoramide

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Dimefox115-26-442 % similar Schradan152-16-942 % similar N,N,N′,N′-Tetramethylphosphorodiamidic chloride1605-65-842 % similar Dimethylamidophosphoric dichloride677-43-042 % similar Metepa57-39-630 % similar 1,1′,1′′-Phosphinylidynetris[pyrrolidine]6415-07-230 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia