Silver oxide
- CAS Number
- 20667-12-3
- HSN Code
- 28432900
- Molecular Formula
- Ag2O
- Catalogue Number
- AL01337
- Purity
- ≥ 97%
- Molecular Weight
- 231.74 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Silver oxide (extra pure) is an insoluble, mildly oxidizing silver(I) compound widely used as a mild base and oxidant in organic synthesis. It is characterized by its dark brown to black powder appearance and is known for its light sensitivity. With a high purity of 97%, this compound is suitable for various applications in chemical research and synthesis. Its unique properties make it a valuable reagent in organic chemistry, particularly in reactions requiring mild oxidation or basic conditions.
Also known as Silver(I) oxide.
- Catalogue No.
- AL01337
- CAS Number
- 20667-12-3
- Molecular Formula
- Ag2O
- Molecular Weight
- 231.74 g/mol
- HSN Code
- 28432900
- Grade
- 97% Extra Pure
- Product Form
- Substance
Silver oxide appears as a dark brown to black powder. It is light-sensitive and should be stored away from light to prevent degradation. The compound is insoluble in water, which is a significant characteristic for its use in various organic reactions. The melting point of silver oxide is approximately 300 °C, and it decomposes upon heating, releasing oxygen. Its density is about 7.14 g/cm³, indicating a relatively heavy compound compared to many organic substances.
- Appearance
- Dark brown to black powder
- Shelf Life
- -
- Packaging
- -
- Storage
- Store protected from light.
1.1 — Product identifier
- Chemical Name
- Silver oxide
- Catalogue No.
- AL01337
- Product form
- Substance
- CAS Number
- 20667-12-3
- EC Number
- 243-100-0
- Grade
- 97% Extra Pure
- EC Index Number
- Not specified
- Chemical Formula
- Ag2O
- HSN Code
- 28432900
- Synonyms
- Silver(I) oxide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a mild base and oxidant in organic synthesis.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Light-sensitive; may cause fire hazard in contact with combustible materials.
3.1 — Substance
- Name
- Silver oxide
- CAS No.
- 20667-12-3
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- May cause irritation to skin, eyes, and respiratory tract.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Oxidizer; may cause or enhance combustion of other materials.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Avoid dust generation. Use appropriate personal protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations. Avoid release into the environment.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves. Avoid contact with combustible materials. Use in a well-ventilated area.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, protected from light.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Dark brown to black
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 300 °C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Decomposes above 300 °C
- Flammability (solid, gas)
- Not flammable, but an oxidizer
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 7.14 g/cm³
- Solubility
- Insoluble in water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Oxidizer
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under recommended storage conditions. Reacts with reducing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Combustible materials, strong reducing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; may cause irritation.
- Skin corrosion/irritation
- May cause irritation.
- Serious eye damage/irritation
- May cause irritation.
- Respiratory or skin sensitisation
- Not a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified as specific target organ toxicant.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1479
- UN-No. (IMDG)
- UN 1479
- UN-No. (IATA)
- UN 1479
- UN-No. (ADN)
- UN 1479
- UN-No. (RID)
- UN 1479
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Silver oxide
- Proper Shipping Name (IMDG)
- Silver oxide
- Proper Shipping Name (IATA)
- Silver oxide
- Proper Shipping Name (ADN)
- Silver oxide
- Proper Shipping Name (RID)
- Silver oxide
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 5.1
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Silver oxide is primarily used as a mild base and oxidant in organic synthesis, particularly in reactions such as Koenigs-Knorr glycosylation and Williamson ether synthesis. It serves as a reagent in the preparation of various organic compounds, facilitating the formation of glycosidic bonds and ethers. Additionally, silver oxide is utilized in research as a cathode material in silver batteries, contributing to advancements in energy storage technologies. Its oxidizing properties also make it useful in analytical chemistry for the detection of certain compounds.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01337
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 231.74 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay Purity | ≥ 97% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 1% | 0.5% |
| Related Substances | None detected | None detected |
| Solubility | Insoluble in water | Insoluble |
The above product is expected to comply with 97% Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% Extra Pure | ≥ 97% | 300 °C (decomposes) | ≤ 0.5% | ≤ 1% | None detected | Insoluble in water |
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