Silver Chromate
- CAS Number
- 7784-01-2
- HSN Code
- 28432900
- Molecular Formula
- Ag2CrO4
- Catalogue Number
- AL1330A
- Purity
- ≥ 98%
- Molecular Weight
- 331.73 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Silver chromate (extra pure) is an insoluble silver(I)-chromium(VI) salt that serves as a crucial reference compound in inorganic chemistry. It is notable for its high purity level of 98%, making it suitable for precise analytical applications. The compound is characterized by its dark red crystalline appearance, which is indicative of its chromate content. Silver chromate is primarily utilized in research settings, particularly in studies involving solubility products and the behavior of chromium compounds in various chemical environments.
Also known as Silver(I) Chromate.
- Catalogue No.
- AL1330A
- CAS Number
- 7784-01-2
- Molecular Formula
- Ag2CrO4
- Molecular Weight
- 331.73 g/mol
- HSN Code
- 28432900
- Grade
- 98% Extra Pure
- Product Form
- Substance
Silver chromate appears as a dark red crystalline powder. It has a melting point of approximately 200 °C, decomposing upon heating rather than melting. The compound is insoluble in water, with a solubility of less than 0.1 g/L at 25 °C. Its density is around 4.1 g/cm³, reflecting its heavy metal content. The compound has a strong oxidizing potential due to the presence of hexavalent chromium, which is a significant consideration in handling and application.
- Appearance
- Dark red crystalline powder
- Shelf Life
- -
- Packaging
- Typically packaged in airtight containers to prevent moisture absorption.
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Silver Chromate
- Catalogue No.
- AL1330A
- Product form
- Substance
- CAS Number
- 7784-01-2
- EC Number
- 232-141-6
- Grade
- 98% Extra Pure
- EC Index Number
- Cr(IV)
- Chemical Formula
- Ag2CrO4
- HSN Code
- 28432900
- Synonyms
- Silver(I) Chromate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reference compound in inorganic chemistry
- 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
- Toxicity due to hexavalent chromium; potential carcinogen.
3.1 — Substance
- Name
- Silver Chromate
- CAS No.
- 7784-01-2
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes; potential systemic effects from chromium exposure.
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 and protective eyewear. Avoid inhalation and contact with skin.
- 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 incompatible materials such as reducing agents.
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 red
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- Decomposes at approximately 200 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Decomposes above 200 °C
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 4.1 g/cm³
- Solubility
- Insoluble in water (<0.1 g/L at 25 °C)
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Strong oxidizer
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal 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
- Reducing agents, strong acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if inhaled or ingested; may cause respiratory irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause damage to organs through prolonged or repeated exposure.
- 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 Chromate
- Proper Shipping Name (IMDG)
- Silver Chromate
- Proper Shipping Name (IATA)
- Silver Chromate
- Proper Shipping Name (ADN)
- Silver Chromate
- Proper Shipping Name (RID)
- Silver Chromate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 5.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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 chromate is widely used in inorganic chemistry as a reference compound, particularly in studies related to solubility products and the behavior of silver and chromium ions in solution. It is also employed in the preparation of other silver compounds and in various analytical chemistry applications. Additionally, due to its oxidizing properties, it finds use in certain chemical syntheses and as a reagent in laboratory settings. Industries such as materials science and environmental chemistry utilize silver chromate for research and development purposes.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1330A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 331.73 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay Purity | ≥ 98% | 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 98% Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% Extra Pure | ≥ 98% | Decomposes at 200 °C | ≤ 0.5% | ≤ 1% | None detected | Insoluble in water |
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