4-Phenylmorpholine

  • Morpholinobenzene
  • Phenyl morpholine
  • N-Phenylmorpholine
Formula
C10H13NO
Structure
Description
Brown crystals.

Registry Numbers and Inventories.
CAS
92-53-5
EC (EINECS/ELINCS)
202-164-0
EC Class
toxic
R 22 24
S 36/37 45
RTECS
QE8575000
RTECS class
Primary Irritant
UN (DOT)
2811
Beilstein/Gmelin
132159
Beilstein Reference
4-27-00-00037
Swiss Giftliste 1
G-4260
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C10H13NO
Formula mass
163.22
Melting point, °C
51 - 54
Boiling point, °C
268
Vapor pressure, mmHg
0.001 (25 C)
Vapor density (air=1)
5.63
Density
1.058 g/cm3 (20 C)
Solubility in water
Slightly soluble
Refractive index
1.589 (20 C)
pKa/pKb
7.31 (pKb)
Partition coefficient, pKow
1.36
Heat of vaporization
50.3 kJ/mol

Hazards and Protection.
Storage
Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use only in a chemical fume hood.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Disposal code
9
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
81
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. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation. May cause irritation of the mucous membranes.
   Skin
May cause skin irritation. Harmful if absorbed through the skin. Substance is readily absorbed through the skin.
   Eyes
Causes mild eye irritation.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. Do not use mouth-to-mouth respiration if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
   Skin
Get medical aid immediately. Immediately 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.
UN number
2811
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
HS Code
2934 99 90