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Dibutyl phosphite

ALDRICH/125938 - 96%

Synonym: Butyl phosphite; Butyl phosphonate; Di-n-butyl hydrogen phosphite; Di-n-butyl phosphite; Dibutoxyphosphine oxide; Dibutyl hydrogen phosphite; Dibutyl phosphonate

CAS Number: 1809-19-4
Empirical Formula (Hill Notation): C8H19O3P
Molecular Weight: 194.21
MDL Number: MFCD00066633
Linear Formula: (CH3CH2CH2CH2O)2P(O)H
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-125938-100ML 100 mL
 $50.40
1/EA		 Add To Favorites
45-125938-500ML 500 mL
 $131.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 125938-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 125938-500ML.

 

assay 96%
bp 118-119 °C/11 mmHg (lit.)
density 0.995 g/mL at 25 °C (lit.)
impurities ≤1% butanol
InChI 1S/C8H19O3P/c1-3-5-7-10-12(9)11-8-6-4-2/h12H,3-8H2,1-2H3
InChI key NFJPGAKRJKLOJK-UHFFFAOYSA-N
Quality Level 100 
refractive index n20/D 1.423 (lit.)
SMILES string CCCCO[PH](=O)OCCCC
solubility H2O: soluble 7.3 g/L at 25 °C
vapor pressure <0.1 mmHg ( 20 °C)
Application: Dibutyl phosphite was used as anti-wear agent in bio-based lubricating oil.
General description: Dibutyl 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.
Other Notes: Contains tributyl phosphate
Packaging: 100, 500 mL in glass bottle
Purity 96%
bp 118-119 °C/11 mmHg (lit.)
Density 0.995 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.423 (lit.)
UNSPSC 12352100

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