Potassium Nitrite
- CAS Number
- 7758-09-0
- HSN Code
- 28342100
- Molecular Formula
- KNO2
- Catalogue Number
- AL1255A
- Purity
- ≥ 97%
- Molecular Weight
- 85.11 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
POTASSIUM NITRITE 97% AR is a high-purity analytical reagent known for its precise control over purity levels, making it suitable for sensitive analytical applications. This compound is a white to pale yellow crystalline powder that is hygroscopic in nature, meaning it can absorb moisture from the air. Potassium nitrite is primarily used in various chemical reactions, particularly in diazotization processes, and is significant in both laboratory and industrial settings. Its oxidizing properties and toxicity necessitate careful handling and storage to ensure safety during use.
Also known as Nitrous acid, potassium salt; Potassium nitrite, AR grade.
- Catalogue No.
- AL1255A
- CAS Number
- 7758-09-0
- Molecular Formula
- KNO2
- Molecular Weight
- 85.11 g/mol
- HSN Code
- 28342100
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
POTASSIUM NITRITE 97% AR appears as a white to pale yellow crystalline powder. It has a melting point of approximately 334 °C and a boiling point of 650 °C. The compound is hygroscopic, readily absorbing moisture from the environment, which can affect its handling and storage. It has a density of about 2.1 g/cm³ and is soluble in water, with a solubility of approximately 60 g/100 mL at 20 °C. The compound has a pH value of around 6.5 to 8.5 in a 1% aqueous solution, indicating its neutral to slightly alkaline nature.
- Appearance
- White to pale yellow crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg polyethylene bottles
- Storage
- Store in a cool, dry place away from heat and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Potassium Nitrite
- Catalogue No.
- AL1255A
- Product form
- Substance
- CAS Number
- 7758-09-0
- EC Number
- 231-555-9
- Grade
- AR
- EC Index Number
- 007-001-00-1
- Chemical Formula
- KNO2
- HSN Code
- 28342100
- Synonyms
- Nitrous acid, potassium salt; Potassium nitrite, AR grade
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Analytical reagent, food preservative, and chemical 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
- Oxidizer; may cause fire or explosion in contact with combustible materials.
3.1 — Substance
- Name
- Potassium Nitrite
- CAS No.
- 7758-09-0
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 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
- Oxidizer; may 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. Wear appropriate protective equipment. Contain and collect spillage.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect spillage with inert material and dispose of according to local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and eye protection. Avoid contact with skin and eyes. Do not eat, drink, or smoke when using this product.
- 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 such as strong acids and bases.
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
- Solid
- Colour
- White to pale yellow
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 6.5 - 8.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 334 °C
- Freezing point
- Not applicable
- Boiling point
- 650 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable, but an oxidizer
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.1 g/cm³
- Solubility
- 60 g/100 mL in water at 20 °C
- 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 normal conditions. Reacts with strong acids and bases.
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 bases, and reducing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if swallowed or inhaled. LD50 (oral, rat) = 180 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reaction.
- 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)
- UN 1488
- UN-No. (IMDG)
- UN 1488
- UN-No. (IATA)
- UN 1488
- UN-No. (ADN)
- UN 1488
- UN-No. (RID)
- UN 1488
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Potassium nitrite
- Proper Shipping Name (IMDG)
- Potassium nitrite
- Proper Shipping Name (IATA)
- Potassium nitrite
- Proper Shipping Name (ADN)
- Potassium nitrite
- Proper Shipping Name (RID)
- Potassium nitrite
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
POTASSIUM NITRITE 97% AR is widely used in analytical chemistry, particularly in diazotization reactions, which are crucial for synthesizing azo compounds. It serves as a reagent in various chemical syntheses and is also utilized in the food industry as a preservative and color fixative in cured meats. Additionally, potassium nitrite is employed in the production of fertilizers and in the manufacture of dyes and pigments. Its role in research and development, particularly in the field of organic chemistry, highlights its importance in both academic and industrial laboratories.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1255A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 85.11 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Moisture Content | ≤ 1% | 0.5% |
| Residue on Ignition | ≤ 0.5% | 0.3% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Soluble |
The above product is expected to comply with AR grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% AR | ≥ 97% | 334 °C | ≤ 1% | ≤ 0.5% | None detected | Soluble in water |
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