Note: Ingredients listed on restricted chemical lists
General Information
Version
8
Revision date
2026-07-22
Product name
Silver(I) oxide
Product Synonyms
Argentous oxide
CAS No.
20667-12-3
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
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)
H271, H272, H303, H318, H410
Hazard statements
Code
Statements
H271
May cause fire or explosion; strong oxidiser
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Black Odorless Emergency Overview May intensify fire; oxidizer. Causes serious eye damage. May cause fire or explosion; strong oxidizer. May be harmful if swallowed. Very toxic to aquatic life with long lasting effects. Sensitivity to light. Classification of the substance or mixture Oxidizing solids Category 2 Category 1 Acute Oral Toxicity Category 5 Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H272 - May intensify fire; oxidizer H271 - May cause fire or explosion; strong oxidizer H318 - Causes serious eye damage H303 - May be harmful if swallowed H410 - Very toxic to aquatic life with long lasting effects
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P220 - Keep away from clothing and other combustible materials P221 - Take any precaution to avoid mixing with combustibles P270 - Do not eat, drink or smoke when using this product P280 - Wear protective gloves/protective clothing/eye protection/face protection P283 - Wear fire resistant or flame retardant clothing
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 P306 + P360 - IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes P310 - Immediately call a POISON CENTER or doctor P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P371 + P380 + P375 - In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion
Storage
P403 - Store in a well-ventilated place
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Oxidizing. Contact with combustible material may cause fire.
Health hazards
Causes serious eye damage. May be harmful if swallowed.
Environmental hazards
Very toxic to aquatic life with long lasting effects.
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
Oxidizing solids Category 2 Category 1 Acute Oral Toxicity Category 5 Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity