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Cas Database

Name	triisopropyl phosphite	EINECS	204-130-0
CAS No.	116-17-6	Density	0.844 g/cm³
PSA	41.28000	LogP	3.48830
Solubility	insoluble in water	Melting Point	N/A
Formula	C₉H₂₁O₃P	Boiling Point	181.4 °C at 760 mmHg
Molecular Weight	208.238	Flash Point	67.8 °C
Transport Information	UN 3278 6.1/PG 3	Appearance	clear to slightly turbid colorless liquid
Safety	37-46-45-36/37	Risk Codes	25-38-68
Molecular Structure		Hazard Symbols	T, F
Synonyms	Isopropylphosphite ((C3H7O)3P) (6CI,7CI);Phosphorous acid, triisopropyl ester (8CI);Isopropyl phosphite;NSC 6516;Tri-2-propyl phosphite;Triisopropoxyphosphine;	Article Data	33

triisopropyl phosphite Synthetic route

: 117965-98-7
S-acetyl O,O-diisopropyl phosphorothioite

: 67-63-0
isopropyl alcohol

: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
at 0℃;	64%

: 67-63-0
isopropyl alcohol

A: 41662-51-5
diisopropyl phosphorochloridite

B: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
With pyridine; phosphorus trichloride In Petroleum ether for 3h; Ambient temperature;	A 34% B n/a

: 67-63-0
isopropyl alcohol

: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
With pyridine; diethyl ether; phosphorus trichloride
With diethyl ether; 2,3-Dimethylaniline; phosphorus trichloride
With triethylamine; Petroleum ether; phosphorus trichloride

: 60-29-7
diethyl ether

: 121-69-7
N,N-dimethyl-aniline

: 67-63-0
isopropyl alcohol

: 7719-12-2, 52843-90-0
phosphorus trichloride

: 116-17-6
triisopropyl phosphite

: 110-82-7
cyclohexane

: 121-69-7
N,N-dimethyl-aniline

: 67-63-0
isopropyl alcohol

: 7719-12-2, 52843-90-0
phosphorus trichloride

: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
at 22 - 23℃;

: 121-44-8
triethylamine

: 67-63-0
isopropyl alcohol

: 7719-12-2, 52843-90-0
phosphorus trichloride

petroleum ether: petroleum ether

: 116-17-6
triisopropyl phosphite

: 67-63-0
isopropyl alcohol

: 211055-34-4
O,O'-diisopropyl N,N-diisopropylphosphoramidite

: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
With N,N-dimethylbenzylammonium fluoride In acetonitrile at 20℃; Kinetics; Further Variations:; Reagents;

: 41662-51-5
diisopropyl phosphorochloridite

: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 2: 64 percent / 0 °C View Scheme

: Fe2(η-Cp)(CO)2(P(OPr-i)3)

: 121-45-9
phosphorous acid trimethyl ester

A: {(C5H5)Fe(CO)P(OCH3)3}2

B: 116-17-6
triisopropyl phosphite

Conditions

Conditions	Yield
In cyclohexane byproducts: CO; Irradiation (UV/VIS); irradn. of Fe complex and phosphite ligand in cyclohexane at room temp.; not isolated, detected by IR;

: 116-17-6
triisopropyl phosphite

: 513-02-0
triisopropyl phosphate

Conditions

Conditions	Yield
With water; 7,7',8,8'-tetracyanoquinodimethane In acetonitrile at 25℃; Rate constant;	100%
With water; 7,7',8,8'-tetracyanoquinodimethane In acetonitrile	100%
With 1-methyl-3-(4-((2,4,6-triisopropylphenyl)tellanyl)benzyl)-1H-imidazol-3-ium hexafluorophosphate; Rose Bengal lactone at 15℃; for 2.5h; Irradiation; Ionic liquid;	99%

triisopropyl phosphite Chemical Properties

Triisopropyl phosphitet is also called phosphorous acid tris(1-methylethyl) ester or triisopropoxyphosphine

Molecular Formula: C₉H₂₁O₃P
Formula Weight: 208.24
Boiling point : 63-64 °C 11 mm Hg(lit.)
Density : 0.914
Vapor pressure : <2 mm Hg ( 20 °C)
Refractive index : n20/D 1.411(lit.)
Fp : 154 °F
Water Solubility : Insoluble
Sensitive : Moisture Sensitive
BRN : 1701528

triisopropyl phosphite Safety Profile

Hazard Codes : T,F
Risk Statements : 25-38-68
Safety Statements : 37-46-45-36/37
RIDADR : UN 3278 6.1/PG 3
WGK Germany : 3
RTECS : TH2800000
F : 1-10
Hazard Note : Toxic/Flammable/Moisture Sensitive/
HazardClass : 3
PackingGroup : III

triisopropyl phosphite Specification

FIRE FIGHTING MEASURES
When triisopropyl phosphite is in any fire,please wear a self-contained breathing apparatus in pressure-demand, and full protective gear.It will burn if involved in a fire because it's combustible liquid.
Extinguishing Method:Use water spray, dry chemical, carbon dioxide, or chemical foam.

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