ICSC 0421 - COPPER (I) OXIDE

COPPER (I) OXIDE	ICSC: 0421 (September 1997)
Red copper oxide Dicopper oxide Cuprous oxide

CAS #: 1317-39-1

EC Number: 215-270-7

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible.		In case of fire in the surroundings, use appropriate extinguishing media.

PREVENT DISPERSION OF DUST! STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat. Fever. Metallic taste. See Notes.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin	Dry skin.		Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Wear safety goggles or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal pain. Diarrhoea. Nausea. Vomiting. Metallic taste.	Do not eat, drink, or smoke during work.	Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification
STORAGE

PACKAGING

COPPER (I) OXIDE

ICSC: 0421

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance YELLOW, RED OR BROWN CRYSTALLINE POWDER. Physical dangers Chemical dangers	Formula: Cu₂O Molecular mass: 143.1 Decomposes at 1800°C Melting point: 1232°C Relative density (water = 1): 6.0 Solubility in water: none

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW, RED OR BROWN CRYSTALLINE POWDER.

Physical dangers

Chemical dangers

Formula: Cu₂O
Molecular mass: 143.1
Decomposes at 1800°C
Melting point: 1232°C
Relative density (water = 1): 6.0
Solubility in water: none

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance is irritating to the eyes and respiratory tract. Inhalation of fumes may cause metal fume fever. Ingestion could cause effects on the kidneys and liver. The effects may be delayed.	Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. Effects of long-term or repeated exposure Repeated or prolonged contact with skin may cause dermatitis.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes and respiratory tract. Inhalation of fumes may cause metal fume fever. Ingestion could cause effects on the kidneys and liver. The effects may be delayed.

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis.

OCCUPATIONAL EXPOSURE LIMITS
MAK: (respirable fraction): 0.01 mg/m³; peak limitation category: II(2); pregnancy risk group: C

ENVIRONMENT

NOTES
Headache, cough, sweating, nausea and fever may be caused by freshly formed fumes or dust of copper oxide. The symptoms of metal fume fever do not become manifest until a few hours have passed.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn, N; R: 22-50/53; S: (2)-22-60-61

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    See Also:
       Toxicological Abbreviations