Diethylaminoethanol

  • Diethylethanolamine
  • 2-Diethylamionethanol
  • 2-Hydroxytriethylamine
Formula
(C2H5)2NCH2CH2OH
Structure
Description
Clear, colorless liquid, nauseating, unpleasant, weak, ammonia-like odor, hygroscopic.
Uses
Manufacture of emulsifying agents and special soaps.

Registry Numbers and Inventories.
CAS
100-37-8
EC (EINECS/ELINCS)
202-845-2
EC Index Number
603-048-00-6
EC Class
Flammable; Harmful; Corrosive
R 10 20/21/22 34
S 25 26 36/37/39 45
RTECS
KK5075000
RTECS class
Human Data; Primary Irritant
UN (DOT)
2686
Merck
13,3139
Beilstein/Gmelin
741863
Beilstein Reference
4-04-00-01471
Swiss Giftliste 1
G-1873
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H15NO
Formula mass
117.19
Melting point, °C
-70
Boiling point, °C
162
Vapor pressure, mmHg
21 (25 C)
Vapor density (air=1)
4.03
Saturation Concentration
About 0.18% (1800 ppm) at 25 C (calculated)
Evaporization number
0.17 (butyl acetate = 1)
Odor Threshold Odor threshold 0.011 ppm
Critical temperature
343
Critical pressure
26.15
Density
0.8921 g/cm3 (20 C)
Solubility in water
Miscible
Viscosity
4.022 cp (25 C)
Surface tension
29.2 g/s2 at 20 C
Refractive index
1.4389 (20 C)
Dielectric constant
9.1 (20 C)
pKa/pKb
4.13 (pKb)
Heat of vaporization
45.0 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. Store protected from moisture.
B3 D1B E
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
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
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Use water spray to disperse the gas/vapor. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation.
Disposal code
1
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Acids, copper, copper alloys, zinc, galvanized iron, nitrites, strong oxidizing agents, metals, acid anhydrides.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
51.5
Autoignition, °C
270
Upper exp. limit, %
28
Lower exp. limit, %
1.8
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Extinguishing media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Do NOT get water inside containers. For large fires, use water spray, fog or alcohol-resistant foam. Cool containers with flooding quantities of water until well after fire is out.
Fire potential
Flammable; moderate fire hazard
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
Combustion products
Toxic and irritating gases may be generated.
Health
1
 
Flammability
2
 
 
Reactivity
0
 

Health.
Exposure limit(s)
OSHA PEL: TWA 10 ppm (50 mg/m3) skin NIOSH REL: TWA 10 ppm (50 mg/m3) skin NIOSH IDLH: 100 ppm
Poison_Class
4
Exposure effects
   Ingestion
Harmful if swallowed. Causes gastrointestinal tract burns.
   Inhalation
Harmful if inhaled. Causes chemical burns to the respiratory tract. May cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting.
   Skin
May cause severe skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation. May cause eye injury.

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 immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid 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
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
2686
Response guide
Hazard class
8
Packing Group
II
 
USCG CHRIS Code
DAE
 
HS Code
2922 19 80
 
Std. Transport #
4912086 4930002
 
IMO Pollution Category
C
IMO Hazard code
S/P