ChemicalBook >>Cuprous oxide>>Copper(I) oxide(1317-39-1)

Copper(I) oxide(1317-39-1)

Copper(I) oxide(1317-39-1)
Product IdentificationBack to Contents
【Product Name】

Copper(I) oxide
【Synonyms】

Cuprous oxide
Dicopper oxide
Red copper oxide
【CAS】

1317-39-1
【Formula】

Cu2O
【Molecular Weight】

143.09
【EINECS】

215-270-7
【RTECS】

GL8050000
【RTECS Class】

Agricultural Chemical and Pesticide; Reproductive Effector
【Merck】

13,2694
【Beilstein/Gmelin】

5480 (G)
【EC Index Number】

029-002-00-X
【EC Class】

Harmful
Physical and Chemical PropertiesBack to Contents
【Appearance】

Red-brown cubic crystals.
【Solubility in water】

Insoluble
【Melting Point】

1232
【Boiling Point】

1800
【Density】

5.7 - 6.2 g/cm3
【Usage】

Fungicide.
【Vapor Density】

4.9
First Aid MeasuresBack to Contents
【Ingestion】

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. Wash clothing before reuse.
【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 StorageBack to Contents
【Storage】

Store in a cool, dry place. Keep container closed when not in use. Storage under a nitrogen blanket has been recommended. Store protected from moisture.
【Handling】

Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation.
【Skin】

Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
【Eyes】

Causes eye irritation.
【Ingestion】

Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【Hazards】

Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
【EC Risk Phrase】

R 22
【EC Safety Phrase】

S 22
【UN (DOT)】

2392
Exposure Controls/Personal ProtectionBack to Contents
【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.
【Exposure Effects】

May cause reproductive and fetal effects.
【Exposure limit(s)】

TLV (as Cu, dust and mists): 1 mg/m3; (as Cu, fume: 0.2 mg/m3) (ACGIH 1996). MAK as Cu: ppm; mg/m3 1 (1996).
【Poison Class】

4
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

The oil used in the emulsion formulations may make the preparation flammable. Cuprous oxide itself is nonflammable. It decomposes at 1800 C.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Oxidizing agents, air, and moisture. Violent, potentially explosive reaction with concentrated peroxyformic acid or when heated with aluminum.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Irritating and toxic fumes and gases, oxides of copper.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2392
【Hazard Class】

3
【Packing Group】

III
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