Potassium Nitrite
- CAS Number
- 7758-09-0
- HSN Code
- 28342100
- Molecular Formula
- KNO2
- Catalogue Number
- AL3747
- 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 is an inorganic potassium salt and an inorganic molecular entity. It has a role as an antihypertensive agent and an antimicrobial food preservative.
Also known as Nitrous acid, potassium salt; Potassium nitrite, AR grade.
- Catalogue No.
- AL3747
- CAS Number
- 7758-09-0
- Molecular Formula
- KNO2
- Molecular Weight
- 85.11 g/mol
- HSN Code
- 28342100
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
Melting point: 441 °C with decomp starting at 350 °C; Boiling point: 537 °C (explodes); Density: 1.915; Solubility: 312 g/100g of water at 25 °C.
- Appearance
- White or slightly yellow granules or rods
- Shelf Life
- 2 years
- Packaging
- Available in: 250 gm plastic bottle, 500 gm plastic bottle
- Storage
- Fireproof. Provision to contain effluent from fire extinguishing. Separated from combustible substances, reducing agents and acids. Dry. Well closed.
1.1 — Product identifier
- Chemical Name
- Potassium Nitrite
- Catalogue No.
- AL3747
- Product form
- Substance
- CAS Number
- 7758-09-0
- EC Number
- 231-832-4
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Ox. Sol. 2; Acute Tox. 3; Aquatic Acute 1
- Classification source
- ECHA C&L Inventory via PubChem CID 516910 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Oxidizer, Acute Toxic, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H272: May intensify fire; oxidizer; H301: Toxic if swallowed; H400: Very toxic to aquatic life
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
- Evaporation at 20 °C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.
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
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder.
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
- Fireproof. Provision to contain effluent from fire extinguishing. Separated from combustible substances, reducing agents and acids. Dry. Well closed.
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
- 441 °C with decomp starting at 350 °C
- Freezing point
- Not applicable
- Boiling point
- 537 °C (explodes)
- 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
- 1.915
- Solubility
- 312 g/100g of water at 25 °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
- May explode on heating above 530 °C. Decomposes on contact with even weak acids. This produces toxic fumes of nitrogen oxides. The substance is a strong oxidant.
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
- Upon decomposition it emits toxic fumes of potassium oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rabbit oral 108 mg anion/kg; LC50 Mouse inhalation 85 gcu m2 hr
- 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)
- 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% | m.p. 441 °C with decomp starting at 350 °C; b.p. 537 °C (explodes) | ≤ 1% | ≤ 0.5% | None detected | 312 g/100g of water at 25 °C |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“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.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“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.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
FAQs
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.
