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ChemicalBook--->CAS DataBase List--->116-17-6

116-17-6

116-17-6 Structure

116-17-6 Structure
IdentificationMore
[Name]

Triisopropyl phosphite
[CAS]

116-17-6
[Synonyms]

PHOSPHOROUS ACID TRIISOPROPYL ESTER
phosphorous acid tris(1-methylethyl) ester
TRI-I-PROPYLPHOSPHITE
Triisopropoxyphosphine
TRIISOPROPYL PHOSPHITE
TRI-ISO-PROPYL PHOSPHONATE
Isopropyl phosphite, ((C3H7O)3P)
Isopropyl phosphite, tri-
isopropylphosphite((c3h7o)3p)
Tri-2-propyl phosphite
tri-2-propylphosphite
tri-isopropylphosphit
Triisopropyl phosphite tech.
TRISOPROPYL PHOSHITE
Tri-i-propylphosphite,min.94%
TRIISOPROPYLPHOSPHITE,TECHNICAL
Triisopropyl phosphite, 90+%
Triisopropylphosphite, 95+%
Tripropan-2-yl phosphite
Tri-i-propylphosphite, min. 94%
[EINECS(EC#)]

204-130-0
[Molecular Formula]

C9H21O3P
[MDL Number]

MFCD00008874
[Molecular Weight]

208.24
[MOL File]

116-17-6.mol
Chemical PropertiesBack Directory
[Appearance]

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.
[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
[color ]

Clear
[Specific Gravity]

0.844
[Water Solubility ]

Insoluble
[Sensitive ]

Moisture Sensitive
[BRN ]

1701528
[LogP]

2
[Uses]

Intermediate for insecticides, component of vinyl stabilizers, lubricant additive, specialty solvent.
[CAS DataBase Reference]

116-17-6(CAS DataBase Reference)
[NIST Chemistry Reference]

Phosphorous acid, tris(1-methylethyl) ester(116-17-6)
[Storage Precautions]

Moisture sensitive
[EPA Substance Registry System]

116-17-6(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

T,F
[Risk Statements ]

R25:Toxic if swallowed.
R38:Irritating to the skin.
R68:Possible risk of irreversible effects.
[Safety Statements ]

S37:Wear suitable gloves .
S46:If swallowed, seek medical advice immediately and show this container or label .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
[RIDADR ]

UN 3278 6.1/PG 3
[WGK Germany ]

3
[RTECS ]

TH2800000
[F ]

1-10
[Hazard Note ]

Toxic/Flammable/Moisture Sensitive/
[TSCA ]

Yes
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

29209090
[Hazardous Substances Data]

116-17-6(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[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
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Phosphorous acid tris(1-methylethyl) ester(116-17-6).msds
Hazard InformationBack Directory
[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.
[Synthesis]

A solution of 180.3 g (3 mol) of anhydrous isopropyl alcohol and 447 g (477 ml, 3 mol) of freshly distilled diethylaniline in 1 l of dry petroleum ether (b.p. 40–60°) is placed in a 3-l three-necked flask fitted with a sealed stirrer, an efficient reflux condenser, and a 500-ml dropping funnel, which is charged with a solution of 137.5 g (87.5 ml, 1 mol) of freshly distilled phosphorus trichloride in 400 ml of dry petroleum ether (b.p. 40–60°). The flask is cooled in a cold-water bath. With vigorous stirring, the phosphorus trichloride solution is introduced at such a rate that the mixture boils gently towards the end of the addition. After the addition, which requires about 30 minutes, the mixture is heated under gentle reflux for about 1 hour with stirring. The suspension, containing a copious precipitate of diethylaniline hydrochloride, is then cooled and filtered with suction through a sintered glass funnel. The cake of the amine salt is well compressed and washed with five 100-ml. portions of dry petroleum ether (b.p. 40–60°). The filtrate and washings are combined and concentrated by distillation at water-bath temperature through a 75-cm. Vigreux column. The residue is transferred to a pear-shaped flask and distilled under a water-pump vacuum through a 75-cm. Vigreux column. After a small fore-run, the product Triisopropyl phosphite is collected. It has the following properties: b.p. 43.5°/1.0 mm; nD25 1.4080; d417 0.917.
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Triisopropyl phosphite(116-17-6)MS
Triisopropyl phosphite(116-17-6)1HNMR
Triisopropyl phosphite(116-17-6)13CNMR
Triisopropyl phosphite(116-17-6)IR1
Triisopropyl phosphite(116-17-6)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Triisopropyl phosphite, tech., 90%(116-17-6)
[Alfa Aesar]

Triisopropyl phosphite, 90+%(116-17-6)
[Sigma Aldrich]

116-17-6(sigmaaldrich)
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