Diisopropyl phosphite

Diisopropyl phosphite Basic information

Product Name:	Diisopropyl phosphite
Synonyms:	Diisopropyl hydrogen phosphonate;Diisopropylphosphine oxide;Isopropyl phosphonate;Isopropyl phosphonate ((C3H7O)2HPO);isopropylphosphonate;O,O-Diisopropyl phosphonate;o,o-diisopropylphosphite;o,o-diisopropylphosphonate
CAS:	1809-20-7
MF:	C6H15O3P
MW:	166.16
EINECS:	217-317-7
Product Categories:	organophosphorus compound;Miscellaneous Reagents;bc0001
Mol File:	1809-20-7.mol

Diisopropyl phosphite Chemical Properties

Boiling point	71 °C (8 mmHg)
density	0.997
refractive index	1.4065-1.4085
Fp	69°C
storage temp.	Inert atmosphere,Room Temperature
solubility	Chloroform (Sparingly), Methanol (Sparingly)
form	Liquid
Specific Gravity	1
color	Clear colorless
Water Solubility	soluble
Sensitive	Moisture Sensitive
CAS DataBase Reference	1809-20-7(CAS DataBase Reference)
NIST Chemistry Reference	Phosphonic acid, di-isopropyl ester(1809-20-7)
EPA Substance Registry System	Phosphonic acid, bis(1-methylethyl) ester (1809-20-7)

Safety Information

Hazard Codes	Xn
Risk Statements	36/37/38-22
Safety Statements	37/39-26
RIDADR	3265
RTECS	SZ7660000
TSCA	Yes
HS Code	29209085
Toxicity	guinea pig,LC50,inhalation,9010mg/m3 (9010mg/m3),LUNGS, THORAX, OR RESPIRATION: OTHER CHANGESGASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDSBEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD,Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 29(11), Pg. 51, 1985.

MSDS Information

Provider	Language
Diisopropyl phosphite	English
ACROS	English
ALFA	English

Diisopropyl phosphite Usage And Synthesis

Chemical Properties	clear colourless liquid, corrosive, soluble in organic solvents such as ethanol.
Uses	Diisopropyl phosphite is used as antiwear lubricant additive together with triphenyl thiophosphate on T8 steel/Al2O3 ceramics.
Preparation	Diisopropyl phosphite is prepared by directly reacting isopropanol with phosphorus trichloride. 3(CH3)2CHOH+PCl3→[(CH3)2CHO]2POH+2HCl↑+(CH3)2CHCl At a ratio of 3:1 (mol), continuously feed 215kg/h of isopropanol and 150kg/h of phosphorus trichloride. When mixed, this results in a violent reaction that generates hydrogen chloride gas. This gas is quickly removed from the mixing pot using vacuum mercury. The crude ester produced is then heated in a falling film type spinner deacidification device and further deacidified. The resulting product is then cooled to below 40°C and obtained with a content of 92%-95% and a yield of 95%～98%.
Synthesis Reference(s)	Tetrahedron Letters, 29, p. 3327, 1988 DOI: 10.1016/0040-4039(88)85153-0

Diisopropyl phosphite Preparation Products And Raw materials

Raw materials	Isopropyl alcohol-->Phosphorus trichloride-->TRIISOPROPYL PHOSPHATE-->Triisopropyl phosphite
Preparation Products	Iprobenfos-->AMMONIUM O,O-DIISOPROPYLTHIOPHOSPHATE-->DIISOPROPYL METHYLPHOSPHONATE-->DIETHYL ALLYLPHOSPHONATE-->2,2'-DINITRODIBENZYL-->Tetraisopropyl methylenediphosphonate-->2,6-ditert-butyl-4-[di(propan-2-yloxy)phosphorylmethyl]phenol-->Methanesulfonic acid, 1,1,1-trifluoro-, [bis(1-methylethoxy)phosphinyl]methyl ester-->2-Fluoro-N-isopropylbenzaMide, 97%

Triethyl phosphite ISO-PROPYL ACID PYROPHOSPHATE Phosphoric acid tris(2-chloro-1-methylethyl) ester 1-(ALPHA-GLYCEROPHOSPHORYL)-D-MYO-INOSITOL 4,5-BISPHOSPHATE, P4(5)-1-(2-NITROPHENYL)ETHYL ESTER, 3NA Mecobalamin ADENOSINE 3',5'-CYCLIC MONOPHOSPHATE, P1-(2-NITROPHENYL)ETHYL ESTER ISOPROPYL LAURATE TRIS(1,1,1,3,3,3-HEXAFLUORO-2-PROPYL) PHOSPHITE VITAMIN B12 Tris(1,3-dichloro-2-propyl)phosphate Diisopropyl phosphite Isopropyl chloroformate Triisopropyl phosphite Isopropyl acetate 5'-Deoxyadenosylcobalamin CAGED CGMP HYDROXOCOBALAMIN ACETATE ISOPROPYL PHOSPHATE

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