1,2-Ethanediamine monohydrate

  • 1,2-Diaminoethane monohydrate
  • Ethylenediamine hydrate
Formula
C2H10N2O
Structure
Description
Colorless liquid with an amine-like odor.

Registry Numbers and Inventories.
CAS
6780-13-8
EC (EINECS/ELINCS)
203-468-6
10 21/22 34 42/43
23.2 26 36/37/39 45
UN (DOT)
1604
Beilstein/Gmelin
3665358
Beilstein Reference
4-04-00-01166
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C2H10N2O
Formula mass
78.11
Melting point, °C
11
Boiling point, °C
118
Vapor pressure, mmHg
0.1 (20 C)
Density
0.926 g/mL (25 C)
Solubility in water
Soluble at 20 C.
Refractive index
1.44732 (20.5 C)
Heat of combustion
-1894 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container in a well-ventilated place. Keep away from sources of ignition and heat at 15 - 25 C.
Protection
Wear protective gloves (butyl rubber), protective clothing and goggles.
Respirators
Required when vapors/aerosols are generated. Use Filter A for vapors.
Small spills/leaks
Make no contact with the spilled material. Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material.
Disposal code
5
Incompatibilities
Acids and oxidizing agents.

Fire.
Flash Point,°C
42
Autoignition, °C
385
Upper exp. limit, %
16.6
Lower exp. limit, %
2.7
Fire fighting
Extinguish using waterr, carbon dioxide, foam or powder. Wear self-contained breathing appratus and protective clothing. Cool containers with a water spray from a save distance.
Fire potential
Flammable/combustible material. May be ignited by heat, sparks or flames.
Hazards
Vapors are heaver than air. FOrms explosive mixtures in air at elevated temperatures.
Combustion products
Nitrogen oxides.

Health.
Poison_Class
3
Exposure effects
Harmful in contact wit hskin and if swallowed. Causes burns. May cause sensitization by inhalation and skin contact.
   Ingestion
May cause toxic effects.
   Inhalation
May cause toxic effects.
   Skin
Contact with substance may cause severe burns.
   Eyes
See Skin.

First aid
 
   Ingestion
Make victim drink plenty of water, avoid vomiting and immediately seek medical assistance.
   Inhalation
Move to fresh air and seek medical assistance.
   Skin
Wash off with plenty of water. Dab with polyethylene glycol 400. Immediately remove contaminated clothing.
   Eyes
Wash for at least 10 minutes with the eyelid held wide open. Immediately seek medical assistance.

Transport.
UN number
1604
Response guide
Hazard class
8
Packing Group
II
 
HS Code
2921 21 00