Silver(I) oxide

Avocado Research Chemicals Ltd

Revision date : 2026-07-22

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GHS03 GHS05 GHS09
Health risk rating 3
Safety risk rating 4
Environmental risk rating 5

Note: Ingredients listed on restricted chemical lists

EC/CAS

20667-12-3

Name of the chemical

Disilver oxide

Concentration

>95

Listed in

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

GHS03 GHS05 GHS09 M004 M009 M010 M011 M017

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

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