Silver Paste
- CAS Number
- 7440-22-4
- HSN Code
- 32073000
- Molecular Formula
- Ag
- Catalogue Number
- AL4031A
- Purity
- Silver Content: NMT 60%
- 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(0) is an elemental silver. It has a role as an Escherichia coli metabolite.
Also known as Silver Conductive Paste, Silver Ink.
- Catalogue No.
- AL4031A
- CAS Number
- 7440-22-4
- Molecular Formula
- Ag
- Molecular Weight
- 107.87 g/mol
- HSN Code
- 32073000
- Grade
- Conductive Silver Paste
- Product Form
- Mixture
Melting point: 960.5 °C; Boiling point: Approx 2000 °C; Density: 10.49 @ 15 °C; Solubility: Sol in fused alkali hydroxides in presence of air, fused peroxides, and alkali cyanides in presence of oxygen.
- Appearance
- White metal, face-centered cubic structure
- Shelf Life
- 12 months
- Packaging
- Available in: 25 gm glass bottle
- Storage
- Keep separated from incompatible materials. Store only in original packaging. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- Silver Paste
- Catalogue No.
- AL4031A
- Product form
- Mixture
- CAS Number
- 7440-22-4
- EC Number
- 231-131-3
- Grade
- Conductive Silver Paste
- EC Index Number
- Ag
- Chemical Formula
- Ag
- HSN Code
- 32073000
- Synonyms
- Silver Conductive Paste, Silver Ink
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Conductive material in electronics and materials research
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 23954 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Environmental Hazard
- Signal word
- Warning
- Hazard statements
- H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
- Precautionary statements
- P273, P391, P501
2.3 — Other hazards
- Other hazards
- May cause skin and eye irritation upon contact.
3.1 — Substance
- Name
- Silver Paste
- CAS No.
- 7440-22-4
4.1 — Description of first aid measures
- First-aid measures after inhalation
- If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
- First-aid measures after skin contact
- If this chemical contacts the skin, flush the contaminated skin with water. Where there is evidence of skin irritation, get medical attention.
- First-aid measures after eye contact
- If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
- First-aid measures after ingestion
- If this chemical has been swallowed, get medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of 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
- Dust explosion possible if in powder or granular form, mixed with air.
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
- Contain spill and collect using appropriate methods. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Collect the spilled substance into containers. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use in a well-ventilated area. Wear appropriate protective equipment.
- 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
- Keep separated from incompatible materials. Store only in original packaging. Store in an area without drain or sewer access.
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 ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Paste
- Colour
- Gray silver
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 960.5 °C
- Freezing point
- Not applicable
- Boiling point
- Approx 2000 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 1 mmHg at 2475 °F
- Relative vapour density at 20°C
- Not applicable
- Density
- 10.49 @ 15 °C
- Solubility
- Sol in fused alkali hydroxides in presence of air, fused peroxides, and alkali cyanides in presence of oxygen
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, avoid contact with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Heat contributes to instability.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Reacts with many other substances. This generates fire and explosion hazard. Consult your supplier.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids and bases, strong oxidizers.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Toxic gases and vapors (such as oxides of nitrogen) may be released when some sol silver cmpd decomp.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat (male) oral >5000 mg/kg; LD50 Rat (male) dermal > 2000 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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)
- Not assigned
- UN-No. (IMDG)
- Not assigned
- UN-No. (IATA)
- Not assigned
- UN-No. (ADN)
- Not assigned
- UN-No. (RID)
- Not assigned
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Not classified as dangerous goods
- Proper Shipping Name (IMDG)
- Not classified as dangerous goods
- Proper Shipping Name (IATA)
- Not classified as dangerous goods
- Proper Shipping Name (ADN)
- Not classified as dangerous goods
- Proper Shipping Name (RID)
- Not classified as dangerous goods
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not applicable
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
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 paste is widely used in the electronics industry, particularly in the production of conductive electrodes for printed circuit boards, solar cells, and other electronic devices. Its high conductivity makes it ideal for applications in sensors, RFID tags, and flexible electronics. Additionally, it is utilized in materials research for developing new conductive materials and coatings. The paste is also employed in the automotive industry for electronic components and in the manufacturing of high-performance capacitors and resistors.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1337A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 107.87 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | A gray Wire | A gray Wire |
| Assay | (Min.) 99.9% | 99.93% |
| Thickness | About 1.0 mm | About 1.0 mm |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Conductive Silver Paste | Silver Content: NMT 60% | m.p. 960.5 °C; b.p. Approx 2000 °C | <1% | <5% | None detected | Sol in fused alkali hydroxides in presence of air, fused peroxides, and alkali cyanides in presence of oxygen |
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“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
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