trans-2,5-Dimethylpiperazine

  • Piperazine, 2,5-dimethyl-, (2R,5S)-rel-
Formula
C6H14N2
Structure
Description
Yellow solid.

Registry Numbers and Inventories.
CAS
2815-34-1
UN (DOT)
1325
Beilstein/Gmelin
79886
Beilstein Reference
5-23-03-00304
Japan ENCS (MITI)
Listed

Properties.
Formula
C6H14N2
Formula mass
114.19
Boiling point, °C
162
Vapor pressure, mmHg
1.8 (25 C)
Density
1.06 g/cm3
Solubility in water
Very soluble
pKa/pKb
4.16 (pKb)
Partition coefficient, pKow
-0.19
Heat of vaporization
40.2 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Wash hands before eating. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.
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 and clothing 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
Scoop up with a nonsparking tool, then place into a suitable container for disposal. Avoid generating dusty conditions. Remove all sources of ignition.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidants.
Decomposition
Nitrogen oxides, carbon monoxide, oxides of phosphorus, carbon dioxide, hydrogen bromide, nitrogen.

Fire.
Flash Point,°C
58
Autoignition, °C
370
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Flammable solid. May burn rapidly with flare burning effect. May be ignited by friction, heat, sparks, or flame. Extinguishing media: For large fires, use water spray, fog or regular foam. For small fires, use dry chemical, carbon dioxide, sand, earth, water spray or regular foam. Cool containers with flooding quantities of water until well after fire is out.
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Fire may produce irritating and/or toxic gases.

Health.
Exposure effects
   Ingestion
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.
   Inhalation
May cause severe respiratory tract irritation and possible burns.
   Skin
May cause severe skin irritation and burns.
   Eyes
Causes severe eye irritation. May result in corneal 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. Immediately 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
1325
Response guide
Hazard class
4.1
Packing Group
II; III