- 7-Oxabicyclo(4.1.0)hept-3-ene-2,5-dione, 3-hydroxy-4-methyl-, (1R)
Pale yellow solid.
Registry Numbers and Inventories.
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
9.6E-5 (25 C)
1.613 g/cm3 (20 C)
Solubility in water
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
This product should be stored at -20 C. It should be kept in a tightly closed container.
For spill clean up, wear suitable protective clothing, chemical resistant rubber gloves, rubber boots, and chemical safety goggles.
Self contained breathing apparatus or NIOSH/MSHA approved respirator is recommended.
Wearing appropriate protective gear and wipe up spill and place in sealed container and hold for disposal. Avoid raising dust. Ventilate the area and wash spill site after material has been removed.
Stable if stored as directed.
Extinguish with carbon dioxide, dry chemical powder, polymer foam, water spray. Use self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Terreic acid has been shown to be mutagenic in laboratory test animals, and should be regarded as a possible mutagen in humans. May cause irritation. Exercise appropriate precautions to prevent opportunities for inhalation, and to prevent direct contact with skin and eyes. All uncharacterized chemicals should be treated as suspected toxins.
Remove dentures and clear mouth. If person is conscious, rinse mouth with water. Call physician or poison control immediately.
Remove from exposure. If breathing is difficult, administer oxygen. If breathing stops, administer artificial respiration. Seek medical attention immediately.
Wash with soap and water for 15 minutes. Remove contaminated clothing and shoes. Seek medical attention immediately.
Check for and remove contact lenses. Flush eyes with running water for at least 15 minutes separating eyelids. Seek medical attention immediately.