Acetaldehyde ammonia

  • Acetaldehyde ammonia trimer
  • 1-Aminoethanol
  • Hexahydro-2,4,6-Trimethyl-S-triazine trihydrate
  • a-Aminoethyl alcohol
Formula
CH3CH(OH)NH2
Structure
Description
A white crystalline solid. An addition product between acetaldehyde and ammonia.
Uses
Used to make other chemicals, vulcanize rubber.

Registry Numbers and Inventories.
CAS
75-39-8
EC (EINECS/ELINCS)
200-868-2
RTECS
AB1950000
UN (DOT)
1841
Merck
12,38
Beilstein/Gmelin
1900185
Swiss Giftliste 1
G-1153
Japan ENCS (MITI)
Listed

Properties.
Formula
C2H7NO
Formula mass
61.08
Melting point, °C
25 - 28
Boiling point, °C
110
Vapor pressure, mmHg
10 (25 C)
Solubility in water
Very soluble
pKa/pKb
4.28 (pKb)
Partition coefficient, pKow
-1.11
Heat of vaporization
41.1 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 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
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids.
Decomposition
Carbon monoxide, oxides of nitrogen, carbon dioxide.

Fire.
Flash Point,°C
55
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
May burn but does not ignite readily.
Hazards
Some may burn but none ignite readily. May polymerize explosively when heated or involved in a fire. Containers may explode when heated. Some may be transported hot.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
2
 

Health.
Poison_Class
4
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   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.
   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
1841
Response guide
Hazard class
9
Packing Group
III
 
Std. Transport #
4941103