Triisopropyl phosphite 116-17-6 99%
Triisopropyl phosphite Basic information
Product Name: Triisopropyl phosphite
Synonyms: PHOSPHOROUS ACID TRIISOPROPYL ESTER;phosphorous acid tris(1-methylethyl) ester;Phosphorus isopropoxide;Phosphorus triisopropoxide;di-tert-butyl isopropyl phosphite;Phosphite isopropyl ester;Tris(propan-2-yl) phosphite;Triisopropyl phosphite,90%,tech.
CAS: 116-17-6
MF: C9H21O3P
MW: 208.24
EINECS: 204-130-0
Product Categories: organophosphorus compound;Building Blocks;Chemical Synthesis;Organic Building Blocks;Organic Phosphates/Phosphites;Phosphorus Compounds;Organic Building Blocks;Organic Phosphates/Phosphites;Phosphorus Compounds
Mol File: 116-17-6.mol
Triisopropyl phosphite Chemical Properties
Boiling point 63-64 °C11 mm Hg(lit.)
density 0.844 g/mL at 25 °C(lit.)
vapor pressure <2 mm Hg ( 20 °C)
refractive index n20/D 1.411(lit.)
Fp 154 °F
storage temp. -20°C
form Liquid
Specific Gravity 0.844
color Clear
Water Solubility Insoluble
Sensitive Moisture Sensitive
BRN 1701528
LogP 2
CAS DataBase Reference 116-17-6(CAS DataBase Reference)
NIST Chemistry Reference Phosphorous acid, tris(1-methylethyl) ester(116-17-6)
EPA Substance Registry System Phosphorous acid, tris(1-methylethyl) ester (116-17-6)
Triisopropyl phosphite Usage And Synthesis
Chemical Properties Colorless liquid; characteristic odor. Miscible with most common organic solvents; insoluble in water; hydrolyzes slowly in water; exposure to air should be minimum; high thermal stability. Combustible.
Uses Triisopropyl phosphite can be used as a reactant:
With Ru-based indenylidene complexes to form 1st generation complexes for metathesis reactions.
In Perkow-type reaction to synthesize compounds containing polarized carbon-carbon double bonds.
For the synthesis of phosphonohydrazines by reacting with arylamines and isoamyl nitrite.
It can also be used as an alternative to triphenylphosphine in Mitsunobu reaction to facilitate the isolation of products.
Uses Intermediate for insecticides, component of vinyl stabilizers, lubricant additive, specialty solvent.
Purification Methods Distil it from sodium, under vacuum, through a column packed with glass helices. (This removes any dialkyl phosphonate.) [Ford-Moore & Williams J Chem Soc 1465 1947, Arbuzov Chem Ber 38 1171 1905, see Verkade & Coskren in Organo Phosphorus Compound (Kosolapoff & Maier eds) Wiley Vol 2 pp 1-187 1972, Beilstein 1 IV 1476.]
Triisopropyl phosphite Preparation Products And Raw materials
Raw materials PETROLEUM ETHER-->Triethylamine-->Isopropyl alcohol-->Phosphorus trichloride
Preparation Products TRIISOPROPYL PHOSPHATE-->TETRAISOPROPYL DICHLOROMETHYLENE DIPHOSPHONATE-->DIISOPROPYL METHYLPHOSPHONATE-->DIISOPROPYL SULFATE-->DIETHYL ALLYLPHOSPHONATE-->Tetraisopropyl methylenediphosphonate-->2,6-ditert-butyl-4-[di(propan-2-yloxy)phosphorylmethyl]phenol
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