2,2-Dimethylpropanal

  • Pivaldehyde
  • Trimethylacetaldehyde
  • tert-Valeraldehyde
  • Pivalic aldehyde
  • Neopentaldehyde
  • 2,2-Dimethylpropionaldehyde
Formula
C5H10O
Structure

Registry Numbers and Inventories.
CAS
630-19-3
EC (EINECS/ELINCS)
211-134-6
R 11 36/37/38 43
S 16 23 26 36/37 45
UN (DOT)
1989
Beilstein/Gmelin
506060
Beilstein Reference
4-01-00-03295
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C5H10O
Formula mass
86.13
Melting point, °C
6
Boiling point, °C
74
Vapor pressure, mmHg
97 (25 C)
Density
0.771 g/cm3 (20 C)
Solubility in water
Soluble
Refractive index
1.3791 (20 C)
Partition coefficient, pKow
1.07
Heat of fusion
2.52 kJ/mol
Heat of vaporization
31.9 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame.
Handling
Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid contact with heat, sparks and flame.
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, while using/wearing the proper protective equipment.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents - strong reducing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
-13
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Use agent most appropriate to extinguish fire.

Health.
Exposure effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   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. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Transport.
UN number
1989
Response guide