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Dibutyl phosphite

Dibutyl phosphite Basic information
Product Name:Dibutyl phosphite
Synonyms:Butyl alcohol, hydrogen phosphite;Butyl phosphonate ((BuO)2HPO);butylalcohol,hydrogenphosphite;butylphosphonate((buo)2hpo);Dibutoxyphosphine oxide;Dibutyl hydrogen phosphonate;Dibutylfosfit;dibutylhydrogenphosphonate
CAS:1809-19-4
MF:C8H19O3P
MW:194.21
EINECS:217-316-1
Product Categories:Building Blocks;Chemical Synthesis;Organic Building Blocks;Organic Phosphates/Phosphites;Phosphorus Compounds;Organic Building Blocks;Organic Phosphates/Phosphites;Phosphorus Compounds;organophosphorus compound;Pharmaceutical Intermediates
Mol File:1809-19-4.mol
Dibutyl phosphite Structure
Dibutyl phosphite Chemical Properties
Melting point 70.5 °C
Boiling point 118-119 °C/11 mmHg (lit.)
density 0.995 g/mL at 25 °C (lit.)
vapor pressure <0.1 mm Hg ( 20 °C)
refractive index n20/D 1.423(lit.)
Fp 250 °F
solubility H2O: soluble7.3g/L at 25°C
form Liquid
Specific Gravity0.995
color Clear
Water Solubility slightly soluble
BRN 1099706
LogP1.81 at 25℃
CAS DataBase Reference1809-19-4(CAS DataBase Reference)
NIST Chemistry ReferenceDibutyl hydrogen phosphite(1809-19-4)
EPA Substance Registry SystemPhosphonic acid, dibutyl ester (1809-19-4)
Safety Information
Hazard Codes Xn
Risk Statements 21-37/38-40-41-36/37/38
Safety Statements 26-36/37/39
RIDADR 1760
WGK Germany 3
RTECS HS6475000
HS Code 29209090
Hazardous Substances Data1809-19-4(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Dibutyl phosphite English
SigmaAldrich English
ACROS English
Dibutyl phosphite Usage And Synthesis
Chemical Propertiesclear colorless to slightly yellow liquid
UsesDibutyl phosphite was used as anti-wear agent in bio-based lubricating oil.
General DescriptionDibutyl phosphite undergoes addition reaction with Schiff bases to yield 1,4-bis[N-methyl(dibutoxyphosphonyl)-1-(2-furyl)]diaminobenzene and 4,4′-bis[N-methyl(dibutoxyphosponyl)-1-phenyl]benzidine. It is antiwear and extreme-pressure additive in industrial gear oils.
Flammability and ExplosibilityNonflammable
Dibutyl phosphite Preparation Products And Raw materials
Raw materials1-Butanol
Preparation ProductsN-Phospho-L-arginine-->3-Bromo-N-butylbenzamide
DICETYL PHOSPHATE DI(LAURYL) PHOSPHORIC ACID dibutyl hydrogen phosphite, compound with methyl-1H-benzotriazole (1:1) Dibutyl phosphite Tributyl phosphate Phosphonic PHOSPHORIC ACID DI-N-DECYL ESTER Triphenyl phosphite DIOCTYL CHLOROMETHYLPHOSPHONATE DIOCTYL PHENYLPHOSPHONATE Diethyl phosphite BUTYL OLEATE DIBUTYL CARBONATE DILAURYL HYDROGEN PHOSPHITE BIS(2-ETHYLHEXYL) PHOSPHITE diisoctyl acid phosphate Dimethyl phosphite DI-N-DECYL PHOSPHITE
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