Antioxidant for uncured rubber & for unsaturated resins & oils, food packaging, polymerization inhibitor.
Registry Numbers and Inventories.
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
1.05 g/cm3 (25 C)
Solubility in water
Partition coefficient, pKow
Hazards and Protection.
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Wear appropriate protective gloves, clothing and goggles.
Wear positive pressure self-contained breathing apparatus (SCBA).
Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.
Small Fires: Dry chemical, carbon dioxide, sand, earth, water spray or regular foam. Large Fires: Water spray, fog or regular foam.
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Fire may produce irritating and/or toxic gases.
Dizziness, headache and delirium have been reported with hydroquinone exposure. Quinone has cause paralysis of the medullary centers and coma. Both quinone and hydroquinone may cause seizures. In rat studies, maternal toxic effects from exposure to hydroquinone included changes in the ovaries, fallopian tubes, and menstrual cycle. Post-implantation mortality was also observed in rat studies. <br>Observed paternal toxic effects from exposure to hydroquinone included changes in the testes, epididymis, sperm duct, prostate, seminal vesicle, Cowper's gland, accessory glands, and male fertility index. <br>Exposure to hydroquinone produced skeletal malformations in chickens and ocular and skeletal malformations in rabbits.
Vomiting and gi tract irritation have been seen.
Ingestion has caused dyspnea, anoxia, and respiratory failure. Quinone has caused asphyxia and pulmonary damage.
May cause burns.
Seek medical assistance.
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.