Silver
- CAS Number
- 7440-22-4
- HSN Code
- 71061000
- Molecular Formula
- Ag
- Catalogue Number
- AL01326
- Purity
- 99.9%
- Molecular Weight
- 107.87 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Silver metal powder (99.9%) is a finely divided elemental silver that serves as a high-purity raw material for various applications, including silver-salt synthesis and catalyst research. This product is notable for its exceptional purity level of 99.9%, making it suitable for sensitive chemical processes and high-precision applications. The powder form enhances its surface area, facilitating reactions in both laboratory and industrial settings. Silver is well-known for its excellent electrical conductivity, thermal conductivity, and antimicrobial properties, which further expand its utility in diverse fields.
Also known as Silver powder, elemental silver.
- Catalogue No.
- AL01326
- CAS Number
- 7440-22-4
- Molecular Formula
- Ag
- Molecular Weight
- 107.87 g/mol
- HSN Code
- 71061000
- Grade
- 99.9%
- Product Form
- Substance
The appearance of silver metal powder is a gray metallic powder, characterized by its fine particle size which enhances its reactivity and surface area. It has a density of approximately 10.49 g/cm³, and its melting point is around 961.8 °C, while the boiling point is approximately 2162 °C. Silver powder is insoluble in water but can dissolve in concentrated nitric acid, forming silver nitrate. The powder is also known to exhibit a high thermal and electrical conductivity, making it valuable in electronic applications.
- Appearance
- Gray metallic powder
- Shelf Life
- -
- Packaging
- Typically packaged in airtight containers to prevent oxidation and contamination.
- Storage
- Store in a cool, dry place away from ignition sources and incompatible materials, such as strong oxidizers.
1.1 — Product identifier
- Chemical Name
- Silver
- Catalogue No.
- AL01326
- Product form
- Substance
- CAS Number
- 7440-22-4
- EC Number
- 231-131-3
- Grade
- 99.9%
- EC Index Number
- Ag
- Chemical Formula
- Ag
- HSN Code
- 71061000
- Synonyms
- Silver powder, elemental silver
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in chemical synthesis, catalysis, and electronics.
- 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
- Combustible dust; may form explosive mixtures with air.
3.1 — Substance
- Name
- Silver
- CAS No.
- 7440-22-4
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
- Inhalation may cause respiratory irritation. Skin contact may cause irritation. Eye contact may cause irritation.
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
- Dust may form explosive mixtures with air. Use appropriate extinguishing media for surrounding 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
- Avoid dust formation. Use appropriate personal protective equipment. Ensure adequate ventilation.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect dust using a vacuum cleaner equipped with a HEPA filter. Dispose of waste according to local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid creating dust. Use in a well-ventilated area. Wear appropriate personal protective equipment, including gloves and goggles.
- 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, away from heat sources and incompatible materials.
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 a NIOSH-approved respirator if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Gray
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 961.8 °C
- Freezing point
- Not applicable
- Boiling point
- 2162 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Combustible dust
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 10.49 g/cm³
- Solubility
- Insoluble in water, soluble in nitric acid
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Dust may form explosive mixtures with air
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Avoid contact with strong oxidizers.
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
- Strong oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; may cause irritation upon contact.
- Skin corrosion/irritation
- May cause mild 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 a 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)
- 3077
- UN-No. (IMDG)
- 3077
- UN-No. (IATA)
- 3077
- UN-No. (ADN)
- 3077
- UN-No. (RID)
- 3077
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Silver powder
- Proper Shipping Name (IMDG)
- Silver powder
- Proper Shipping Name (IATA)
- Silver powder
- Proper Shipping Name (ADN)
- Silver powder
- Proper Shipping Name (RID)
- Silver powder
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 9
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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 metal powder is widely used in the synthesis of silver salts, which are important in various chemical processes, including photography and electronics. It serves as a precursor for silver oxide, which is utilized in organic chemistry as a catalyst. Additionally, due to its antimicrobial properties, silver powder is employed in medical applications, such as wound dressings and coatings for medical devices. The electronics industry also utilizes silver powder in conductive inks and pastes for printed circuit boards and other electronic components.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01326
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 107.87 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 99.9% | 99.9% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Particle Size Distribution | <100 microns | 90 microns |
| Solubility in Nitric Acid | Complete dissolution | Complete dissolution |
The above product is expected to comply with 99.9% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99.9% | 99.9% | Melting point: 961.8 °C; Boiling point: 2162 °C | <0.5% | <0.1% | None detected | Insoluble in water, soluble in nitric acid |
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