Diphenyl methyl phosphate

  • Methyl diphenyl phosphate
  • Methoxydiphenoxyphosphine oxide
  • Phosphoric acid, methyl diphenyl ester
Structure
Uses
Major uses include ignition control cmpd, formerly as a gasoline additive.

Registry Numbers and Inventories.
CAS
115-89-9
Beilstein/Gmelin
1882805
Beilstein Reference
4-06-00-00714
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Boiling point, °C
322
Vapor pressure, mmHg
0.0004 (25 C)
Density
1.231 g/cm3 (25 C)
Solubility in water
Insoluble
Refractive index
1.5372 (20 C)
Heat of vaporization
54.2 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
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.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Thermal decomposition may produce toxic fumes of phosphorus oxides and/or phosphine.

Fire.
Flash Point,°C
163
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
0
 
 
Reactivity
0
 

Health.
Exposure effects
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.
   Skin
May cause skin irritation.
   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 not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.