Note: Ingredients listed on restricted chemical lists
General Information
Version
5
Revision date
2025-08-13
Product name
Copper (I) oxide
Product Synonyms
Cuprous oxide
CAS No.
1317-39-1
supplier name
Fisher Scientific UK
Emergency telephone
(800) 424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302+H332, H318, H410
Hazard statements
Code
Statements
H302+H332
Harmful if swallowed or if inhaled
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Red brown Odorless Emergency Overview Harmful if swallowed. Causes serious eye damage. Harmful if inhaled. Very toxic to aquatic life with long lasting effects. Moisture sensitive. Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H318 - Causes serious eye damage H410 - Very toxic to aquatic life with long lasting effects H302 + H332 - Harmful if swallowed or if inhaled
Prevention
P264 - Wash face, hands and any exposed skin thoroughly after handling P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth
Storage
P403 - Store in a well-ventilated place
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
Harmful if swallowed. Harmful if inhaled.
Environmental hazards
Very toxic to aquatic life with long lasting effects. Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1
