Potassium Ferricyanide
- CAS Number
- 13746-66-2
- HSN Code
- 28372020
- Molecular Formula
- K3Fe(CN)6
- Catalogue Number
- AL01238
- Purity
- ≥ 98%
- Molecular Weight
- 329.24 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Potassium ferricyanide (extra pure) is a soluble iron(III) coordination complex that is notable for its vibrant red color and its role as a powerful oxidizing agent. With a molecular formula of K3Fe(CN)6 and a molecular weight of 329.24 g/mol, it is widely utilized in various analytical and industrial applications. This compound is particularly valued in laboratories for its precision in colorimetric assays and its effectiveness in photographic development processes. Its ability to release toxic hydrogen cyanide (HCN) under certain conditions necessitates careful handling and storage practices.
Also known as Red Prussiate of Potash, Ferric Cyanide, Potassium Hexacyanoferrate(III).
- Catalogue No.
- AL01238
- CAS Number
- 13746-66-2
- Molecular Formula
- K3Fe(CN)6
- Molecular Weight
- 329.24 g/mol
- HSN Code
- 28372020
- Grade
- Extra Pure
- Product Form
- Substance
Potassium ferricyanide appears as a bright red crystalline solid, which is highly soluble in water, allowing for easy preparation of solutions for various applications. The melting point of this compound is approximately 60 °C, and it has a boiling point that is not applicable as it decomposes before boiling. The density of potassium ferricyanide is about 1.85 g/cm³. It has a pH value of around 6.0 when dissolved in water, indicating its neutral nature in solution. The compound is stable under normal conditions but can release toxic hydrogen cyanide gas when heated or acidified.
- Appearance
- Bright red crystalline solid
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg containers
- Storage
- Store in a cool, dry place away from acids and heat.
1.1 — Product identifier
- Chemical Name
- Potassium Ferricyanide
- Catalogue No.
- AL01238
- Product form
- Substance
- CAS Number
- 13746-66-2
- EC Number
- 237-323-3
- Grade
- Extra Pure
- EC Index Number
- 615-005-00-9
- Chemical Formula
- K3Fe(CN)6
- HSN Code
- 28372020
- Synonyms
- Red Prussiate of Potash, Ferric Cyanide, Potassium Hexacyanoferrate(III)
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as an oxidizing agent and analytical reagent.
- 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
- Releases toxic hydrogen cyanide (HCN) when heated or acidified.
3.1 — Substance
- Name
- Potassium Ferricyanide
- CAS No.
- 13746-66-2
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
- 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
- Symptoms of exposure may include headache, dizziness, nausea, and respiratory distress.
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
- May emit toxic fumes under fire conditions. Use appropriate fire-fighting measures.
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 prevent entry into waterways. Use appropriate protective equipment during cleanup.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations. Avoid generating dust.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and avoid contact with skin and eyes. 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, away from incompatible materials such as acids.
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 or vapors are generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Bright red
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 6.0 (in solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 60 °C
- Freezing point
- Not applicable
- Boiling point
- Decomposes before boiling
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Above 60 °C
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Negligible
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.85 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Oxidizing agent
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions but can react with strong acids to release toxic gases.
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 acids, strong oxidizers.
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
- May cause skin irritation upon contact.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- 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)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (IMDG)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (IATA)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (ADN)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (RID)
- Environmentally hazardous substance, solid, n.o.s.
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
Potassium ferricyanide is extensively used in the field of analytical chemistry, particularly as an oxidizing agent in photographic development processes, where it helps in the reduction of silver ions. It is also employed as a colorimetric reagent for the determination of iron(II) concentrations in various samples, making it valuable in environmental testing and quality control in industrial processes. Additionally, it finds applications in the synthesis of other chemical compounds and in the production of pigments and dyes. Its role in electrochemistry and as a laboratory reagent further underscores its versatility across multiple scientific disciplines.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01238
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 329.24 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Fully soluble |
The above product is expected to comply with 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% | 60 °C (decomposes) | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in water |
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