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


45-125938-100ML	100 mL	$52.00 1/EAAdd To Favorites	Add To Favorites
45-125938-500ML	500 mL	$135.00 1/EAAdd To Favorites	Add To Favorites

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

Symbol	GHS07,GHS08
Signal word	Warning
Hazard statements	H315 - H319 - H351 - H412
Precautionary statements	P202 - P264 - P273 - P302 + P352 - P305 + P351 + P338 - P308 + P313
Hazard Codes	Xn
Risk Statements	21-37/38-40-41
Safety Statements	26-36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	244.4 °F - closed cup
Flash Point(C)	118 °C - closed cup

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