Diisopropylphosphite

Names
Preferred IUPAC name Di(propan-2-yl) phosphonate
Other names Phosphonic acid, diisopropyl ester, diisopropyl phosphonate
Identifiers
CAS Number	1809-20-7 Y
3D model (JSmol)	Interactive image
ChemSpider	485223
EC Number	217-317-7
PubChem CID	558181
UNII	676G4RQ6ND Y
InChI InChI=1S/C6H15O3P/c1-5(2)8-10(7)9-6(3)4/h5-7H,1-4H3 Key: NFORZJQPTUSMRL-UHFFFAOYSA-N
SMILES CC(C)OP(O)OC(C)C
Properties
Chemical formula	C6H15O3P
Molar mass	166.157 g·mol−1
Appearance	colorless liquid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Diisopropyl phosphite is an organophosphorus compound with the formula (i-PrO)₂P(O)H (i-Pr = CH(CH₃)₂). The molecule is tetrahedral. It is a colorless viscous liquid. The compounds can be prepared by treating phosphorus trichloride with isopropanol.^[1]