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125938 Aldrich

Dibutyl phosphite

96%

  • CAS Number 1809-19-4

  • Linear Formula (CH3CH2CH2CH2O)2P(O)H

  • Molecular Weight 194.21

  •  Beilstein Registry Number 1099706

  •  MDL number MFCD00066633

  •  PubChem Substance ID 24847687

  •  eCl@ss 39110212

  • Popular Documents:  FTNMR (PDF)  

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Properties

Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Organic Phosphates/Phosphites, Phosphorus Compounds More...
vapor pressure   <0.1 mmHg ( 20 °C)
InChI Key   NFJPGAKRJKLOJK-UHFFFAOYSA-N
assay   96%
impurities   ≤1% butanol
refractive index   n20/D 1.423(lit.)
bp   118-119 °C/11 mmHg(lit.)
solubility   H2O: soluble7.3 g/L at 25 °C
density   0.995 g/mL at 25 °C(lit.)

Description

Other Notes

Contains tributyl phosphate

Packaging

100, 500 mL in glass bottle

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.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
244.4 °F
Flash Point(C) 
118 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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