Potassium Nitrate
- CAS Number
- 7757-79-1
- HSN Code
- 28342100
- Molecular Formula
- KNO3
- Catalogue Number
- AL3742
- Purity
- ≥ 98%
- 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.
- AL3742
- CAS Number
- 7757-79-1
- Molecular Formula
- KNO3
- Molecular Weight
- 101.10 g/mol
- HSN Code
- 28342100
- Grade
- 98% Practical
- 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.
- AL3742
- Product form
- Substance
- CAS Number
- 7757-79-1
- EC Number
- 231-818-8
- Grade
- 98% Practical
- EC Index Number
- 007-001-00-1
- 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
- Fertilizer, oxidizing agent in pyrotechnics
- 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
- None identified
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.
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 combustible materials. Use appropriate personal protective equipment.
- 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 in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 6.0 - 7.0 (in saturated 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
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Low
- 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 primarily used as a nitrogen and potassium source in fertilizers, promoting healthy plant growth and improving crop yields. It is also a key ingredient in the production of pyrotechnics, particularly in the formulation of black powder and other explosive materials. Additionally, potassium nitrate finds applications in food preservation, acting as a curing agent in meats, and in the manufacture of glass and ceramics. Its oxidizing properties are exploited in various chemical reactions, making it valuable in laboratories and industrial processes.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01253
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 101.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 1.0% | 0.5% |
| Solubility | Freely soluble in water | Soluble at 20 °C |
The above product is expected to comply with 98% Practical grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% Practical | ≥ 98% | m.p. 337 °C; b.p. 400 °C (decomp) | ≤ 0.5% | ≤ 1.0% | None detected | Sol in water, glycerol; slightly sol in alcohol |
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