Product Identification

Product Name

1,4-Diazabicyclo[2.2.2]octane

Synonyms

1,4-Diazabicyclo[2.2.2]octane
Dabco
Quinuclidine

CAS

280-57-9

Formula

C6H12N2

Molecular Weight

112.18

EINECS

205-999-9

RTECS

HM0354200

RTECS Class

Primary Irritant

Merck

12,9801

Beilstein/Gmelin

103618

Beilstein Reference

5-23-03-00487

EC Class

harmful, irritant, dangerous for the environment

Physical and Chemical Properties

Appearance

White crystals with a sharp, ammonia-like odor. Sublimes readily at room temperature, hygroscopic.

Solubility in water

460 g/L

Boiling Point

174

Vapor Pressure

1.2 (25 C)

Density

1.14 g/cm3 (20 C)

pKa/pKb

5.30 (pKb)

Partition Coefficient

-.85

Heat Of Vaporization

41.0 kJ/mol

Usage

Catalyst in making urethane foams.

Saturation Concentration

600 ppm at 20 C

First Aid Measures

Ingestion

Do NOT induce vomiting. 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

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid 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.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.

Inhalation

May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Inhalation of dust may cause respiratory tract irritation.

Skin

Causes severe skin irritation and possible burns.

Eyes

Causes severe eye irritation and possible burns.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 22 34

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

3263

Exposure Controls/Personal Protection

Personal 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.

Poison Class

3

Fire Fighting Measures

Flash Point

62.2

Autoignition

350

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Upper exp. limit

9.2

Lower exp. limit

1.2

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, strong acids. Forms an explosive complex with hydrogen peroxide. Mixtures with carbon auto-ignite at 230C. Very exothermic reaction with cellulose nitrate.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3263

Hazard Class

8

Packing Group

I; II; III

HS Code

2933 59 20