Potassium Nitrate
- CAS Number
- 7757-79-1
- HSN Code
- 28342100
- Molecular Formula
- KNO3
- Catalogue Number
- AL3743
- Purity
- 99%
- Molecular Weight
- 101.10 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Potassium nitrate is the inorganic nitrate salt of potassium. It has a role as a fertilizer.
Also known as Saltpeter, Niter.
- Catalogue No.
- AL3743
- CAS Number
- 7757-79-1
- Molecular Formula
- KNO3
- Molecular Weight
- 101.10 g/mol
- HSN Code
- 28342100
- Grade
- Extra Pure
- Product Form
- Substance
Melting point: 337 °C; Boiling point: 400 °C (decomp); Density: 2.1 at 25 °C; Solubility: Sol in water, glycerol; slightly sol in alcohol.
- Appearance
- Colorless, rhombic or trigonal crystals
- Shelf Life
- -
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container, 25 Kg fiber drum
- Storage
- Separated from combustible substances and reducing agents.
1.1 — Product identifier
- Chemical Name
- Potassium Nitrate
- Catalogue No.
- AL3743
- Product form
- Substance
- CAS Number
- 7757-79-1
- EC Number
- 231-818-8
- Grade
- Extra Pure
- EC Index Number
- 007-001-01-9
- Chemical Formula
- KNO3
- HSN Code
- 28342100
- Synonyms
- Saltpeter, Niter
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as an oxidizer, fertilizer, and in food preservation.
- 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. Liq. 2; Skin Irrit. 2; Eye Irrit. 2; STOT SE 3
- Classification source
- ECHA C&L Inventory via PubChem CID 24434 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Oxidizer, Irritant
- Signal word
- Danger
- Hazard statements
- H272: May intensify fire; oxidizer; H315: Causes skin irritation; H319: Causes serious eye irritation; H335: May cause respiratory irritation
- Precautionary statements
- P210, P220, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P405, P501
2.3 — Other hazards
- Other hazards
- Oxidizer; may cause fire or explosion in contact with combustible materials.
3.1 — Substance
- Name
- Potassium Nitrate
- CAS No.
- 7757-79-1
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Remove to fresh air.
- First-aid measures after skin contact
- Remove contaminated clothing and shoes. Flush with water.
- First-aid measures after eye contact
- Flush with water for at least 15 min., lifting lids occasionally.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of eyes, skin, and respiratory tract; potential for gastrointestinal distress if ingested.
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 when dispersed.
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.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Sweep spilled substance into plastic or glass containers. Wash away remainder with plenty of water.
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.
- 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
- Separated from combustible substances and 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
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 6.0 - 8.0 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 337 °C
- Freezing point
- Not applicable
- Boiling point
- 400 °C (decomp)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- >400°C
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Negligible at room temperature
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.1 at 25 °C
- Solubility
- Sol in water, glycerol; slightly sol in alcohol
- 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; may react with reducing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This increases fire hazard. 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 reducing agents, acids, and combustible materials.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits very toxic fumes of nitrogen oxides & dipotassium oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 3750 mg/kg; LD50 Rabbit oral 1901 mg/kg; LD50 Rabbit oral 1.166 g anion/kg
- Skin corrosion/irritation
- H315: Causes skin irritation
- Serious eye damage/irritation
- H319: Causes serious eye irritation
- 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)
- H335: May cause respiratory irritation
- 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 1486
- UN-No. (IMDG)
- UN 1486
- UN-No. (IATA)
- UN 1486
- UN-No. (ADN)
- UN 1486
- UN-No. (RID)
- UN 1486
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Potassium Nitrate
- Proper Shipping Name (IMDG)
- Potassium Nitrate
- Proper Shipping Name (IATA)
- Potassium Nitrate
- Proper Shipping Name (ADN)
- Potassium Nitrate
- Proper Shipping Name (RID)
- Potassium Nitrate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 5.1
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 nitrate is widely used in various industries, particularly in agriculture as a high-nitrogen fertilizer that promotes plant growth. In the food industry, it serves as a preservative and curing agent for meats, enhancing flavor and color. Additionally, potassium nitrate is utilized in the manufacture of fireworks and explosives due to its oxidizing properties. In analytical chemistry, it is employed as a reference compound for calibrating instruments and conducting precise measurements in potassium nitrate chemistry research. Its role in the production of glass and ceramics further underscores its versatility in industrial applications.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01254
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 101.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99% min | 99.5% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Solubility | 31.6 g/100 mL | 32.0 g/100 mL |
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 |
|---|---|---|---|---|---|---|
| Extra Pure | 99% | m.p. 337 °C; b.p. 400 °C (decomp) | <0.5% | <0.1% | None detected | Sol in water, glycerol; slightly sol in alcohol |
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.
