Diphenyl methylphosphonate

  • Phosphonic acid, methyl-, diphenyl ester
Formula
C13H13O3P
Structure

Registry Numbers and Inventories.
CAS
7526-26-3
EC (EINECS/ELINCS)
231-388-1
RTECS
SZ9127500
RTECS class
Other
Beilstein/Gmelin
2053025
Beilstein Reference
4-06-00-00703
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed

Properties.
Formula
C13H13O3P
Formula mass
248.23
Melting point, °C
35
Boiling point, °C
201 - 202
Vapor pressure, mmHg
0.0001 (25 C)
Density
1.2051 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.5516 (20 C)
Heat of vaporization
56.5 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Protective gloves. Chemical safety goggles.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Phosphorous oxides.

Fire.
Flash Point,°C
110
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.
Health
0
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.