3-Dimethylaminopropylamine

  • 1-Amino-3-dimethylaminopropane
  • N,N, Dimethyl-1,3-propanediamine
  • 3-Aminopropyldimethylamine
  • N,N-Dimethyl-1,3-diaminopropane
Formula
(CH3)2N(CH2)3NH2
Structure
Description
Colorless liquid.
Uses
Used as a chemical intermediate in the synthesis of basic blue 22.

Registry Numbers and Inventories.
CAS
109-55-7
EC (EINECS/ELINCS)
203-680-9
EC Index Number
612-061-00-6
EC Class
Flammable; Harmful; Corrosive; Sensitising
R 10 22 34 43
S 26 36/37/39 45
RTECS
TX7525000
RTECS class
Primary Irritant
UN (DOT)
2734
Beilstein/Gmelin
605293
Beilstein Reference
4-04-00-01259
Swiss Giftliste 1
G-1932
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C5H14N2
Formula mass
102.2
Melting point, °C
< -50
Boiling point, °C
133
Vapor pressure, mmHg
1
Vapor density (air=1)
3.5
Critical temperature
318
Critical pressure
36.6
Density
0.8112 g/cm3 (20 C)
Solubility in water
Miscible
Viscosity
1.1 cp
Refractive index
1.4385 (18 C)
Partition coefficient, pKow
-0.55
Heat of vaporization
44.10 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.
Handling
Wash thoroughly after handling. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Do not get on skin or in eyes. Avoid ingestion and inhalation. Use with adequate ventilation. Discard contaminated shoes. 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 a chemical apron. 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. 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. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. Do not get water inside containers. A vapor suppressing foam may be used to reduce vapors.
Disposal code
5
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, acid chlorides, carbon dioxide, alliphatic amines, acid anhydrides.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
32
Autoignition, °C
215
Upper exp. limit, %
12.35
Lower exp. limit, %
2.3
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. 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. For large fires, use water spray, fog, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. Do NOT get water inside containers. Do NOT use straight streams of water. Cool containers with flooding quantities of water until well after fire is out.
Fire potential
Flammable, moderate fire risk. Very flammable when exposed to heat, flame, or oxidizers.
Hazards
This compound is flammable.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
3
 
Flammability
2
 
 
Reactivity
0
 

Health.
Exposure limit(s)
OEL-RUSSIA:STEL 2 mg/m3;Skin
Poison_Class
3
Exposure effects
Headache and photophobia may be noted.
   Ingestion
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May be harmful if swallowed.
   Inhalation
Causes chemical burns to the respiratory tract. Vapors may cause dizziness or suffocation.
   Skin
Harmful if absorbed through the skin. Causes skin burns.
   Eyes
Causes eye burns. Lachrymator.

First aid
 
   Ingestion
Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
   Inhalation
Get medical aid immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration.
   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. Destroy contaminated shoes.
   Eyes
Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).

Transport.
UN number
2734
Response guide
Hazard class
8
Packing Group
I; II
 
USCG CHRIS Code
DMR
 
HS Code
2921 29 00
 
IMO Chemical Code
17
IMO Pollution Category
C
IMO Hazard code
S/P