2-Methoxy-1,2-diphenylethanone

  • 2-Methoxy-1,2-diphenyl-1-ethanone
  • 2-Methoxy-2-phenylacetophenone
  • a-Methoxybenzyl phenyl ketone
  • O-Methylbenzoin
  • Benzoin methyl ether
  • QCU 3
Formula
C15H14O2
Structure
Description
Solid.
Uses
Curing agent.

Registry Numbers and Inventories.
CAS
3524-62-7
EC (EINECS/ELINCS)
222-538-7
S 22 36/37
RTECS
AM9350000
RTECS class
Drug
Merck
13,1094
Beilstein/Gmelin
2052112
Beilstein Reference
4-08-00-01280
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C15H14O2
Formula mass
226.27
Melting point, °C
47
Boiling point, °C
343
Vapor pressure, mmHg
7E-5 (25 C)
Density
1.1278 g/cm3 (14 C)
Solubility in water
Insoluble
Refractive index
1.58 (14.4 C)
Partition coefficient, pKow
3.37
Heat of vaporization
58.7 kJ/mol

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents - strong acids.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
149
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire.

Health.
Exposure effects
   Ingestion
Harmful if swallowed. May cause digestive tract disturbances.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.