Product Identification

Product Name

1,1-Cyclopropanedicarboxylic acid

Synonyms

1,1-Cyclopropanedicarboxylic acid
1-Carboxycyclopropanecarboxylic acid
Cyclopropane-1,1-dicarboxylic acid

CAS

598-10-7

Formula

C5H6O4

Molecular Weight

130.1

EINECS

209-917-2

Beilstein/Gmelin

1864823

Beilstein Reference

3-09-00-03795

Physical and Chemical Properties

Appearance

White crystalline powder.

Solubility in water

Very soluble

Melting Point

134-138

Boiling Point

371

Vapor Pressure

2E-6 (25 C)

pKa/pKb

1.82 (pKa)

Partition Coefficient

-.8

Heat Of Vaporization

67.9 kJ/mol

Heat Of Combustion

-2023 kJ/mol

First Aid Measures

Ingestion

Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

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.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container. Corrosives area.

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Inhalation

Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema. May cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting.

Skin

Causes skin burns.

Eyes

Causes eye burns. May result in corneal injury.

Ingestion

Causes gastrointestinal tract burns.

EC Risk Phrase

R 34

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

3261

Exposure Controls/Personal Protection

Personal Protection

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.

Exposure Effects

Prolonged or repeated skin contact may cause dermatitis. Chronic exposure may cause lung damage.

Fire Fighting Measures

Flash Point

193

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

UN Number

3261