Product Identification

Product Name

Trimethylacetaldehyde

Synonyms

2,2-Dimethylpropionaldehyde
Neopentaldehyde
Pivaldehyde
Pivalic aldehyde
tert-Valeraldehyde
Trimethylacetaldehyde

CAS

630-19-3

Formula

C5H10O

Molecular Weight

86.13

EINECS

211-134-6

Beilstein/Gmelin

506060

Beilstein Reference

4-01-00-03295

Physical and Chemical Properties

Solubility in water

Soluble

Melting Point

6

Boiling Point

74

Vapor Pressure

97 (25 C)

Density

0.771 g/cm3 (20 C)

Partition Coefficient

1.07

Heat Of Vaporization

31.9 kJ/mol

Refractive Index

1.3791 (20 C)

First Aid Measures

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.

Handling and Storage

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.

Fire Fighting Measures

Flash Point

-13

Fire Fighting

Wear approved SCBA in full pressure-demand and full protective gear. Use agent most appropriate to extinguish fire.

Accidental Release Measures

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 and Reactivity

Incompatibilities

Oxidizing agents - strong reducing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information

UN Number

1989

Exposure Controls/Personal Protection

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.

Hazards Identification

EC Risk Phrase

R 11 36/37/38 43

EC Safety Phrase

S 16 23 26 36/37 45

UN (DOT)

1989