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HomeProduct name listDibutyl phosphite

Dibutyl phosphite

  • CAS NO.:1809-19-4
  • Empirical Formula: C8H19O3P
  • Molecular Weight: 194.21
  • MDL number: MFCD00066633
  • EINECS: 217-316-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
Dibutyl phosphite Structural

What is Dibutyl phosphite?

Chemical properties

clear colorless to slightly yellow liquid

The Uses of Dibutyl phosphite

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.

Flammability and Explosibility

Non flammable

Properties of Dibutyl phosphite

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.)
Flash point: 250 °F
solubility  H2O: soluble7.3g/L at 25°C
form  Liquid
Specific Gravity 0.995
color  Clear
Water Solubility  slightly soluble
BRN  1099706
CAS DataBase Reference 1809-19-4(CAS DataBase Reference)
NIST Chemistry Reference Dibutyl hydrogen phosphite(1809-19-4)
EPA Substance Registry System Phosphonic acid, dibutyl ester (1809-19-4)

Safety information for Dibutyl phosphite

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H351:Carcinogenicity
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P273:Avoid release to the environment.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313:IF exposed or concerned: Get medical advice/attention.

Computed Descriptors for Dibutyl phosphite

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