Potassium Nitrate AR – 500g

R106.44 Incl VAT

CAS Number:7757-79-1


  • Nitrate of Potash
  • Saltpetre
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SKU: CHE-P20 Category:

Potassium Nitrate AR – Identification of Product
Chemical Code: CHE-P20
Chemical Name: Potassium Nitrate
Chemical Grade: AR
Chemical Formula: KNO₃
Chemical Weight: 101,10 g/mol
CAS No: 7757-79-1
Chemical Synonyms:

Potassium Nitrate AR – Hazards Identification
REACH No: No Data Available
Signal Word: Warning
Supplemental Hazard Information:
Additional Hazard Information: This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

Potassium Nitrate AR – Hazards statements
H272 – May intensify fire; oxidizer.

Potassium Nitrate AR – Precautionary statements
P210 – Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220 – Keep/Store away from clothing/ combustible materials.
P221 – Take any precaution to avoid mixing with combustibles.
P370 + P378 – In case of fire: Use dry powder or dry sand to extinguish.

Potassium Nitrate AR – Composition of Chemical
Chemical Formula: KNO₃
EC No 1272/2008: No Data Available

First Aid Measures
General Advice: Consult a physician. Show this safety data sheet to the doctor in attendance.
If: Inhaled: If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
If: Skin Contact: Wash off with soap and plenty of water. Consult a physician.
If: Eye Contac: Flush eyes with water as a precaution.
If: Swallowed: Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Important Symptoms: The most important known symptoms and effects are described in the labeling section.
Immediate Medical Attention: No Data Available

Firefighting Measures
Extinguishing Media: Dry powder. Dry sand.
Hazards Arising: No Data Available
Advice for Firefighters: Wear self-contained breathing apparatus for firefighting if necessary.
Info for Firefighting: Use water spray to cool unopened containers.

Accidental Release Measures
Personal Precautions: Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas.
Enviromental Precautions: Do not let product enter drains.
Method for Containment: Sweep up and shovel. Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations. Keep in suitable, closed containers for disposal.

Handling and Storage
Personal Precautions: Provide appropriate exhaust ventilation at places where dust is formed.Keep away from sources of ignition –
No smoking.Keep away from heat and sources of ignition.
Enviromental Precautions: Keep container tightly closed in a dry and well-ventilated place. Store in cool place. Hygroscopic Store under inert gas.
Exposure Controls | Personal Protection
Derived No Effect Level (DNEL)
Workers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Consumers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Predicted No Effect Concentration (PNEC)
No Data Available
Engineering Controls: Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
Eye/Face Protection: Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin Protection: Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove’s outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested: Dermatril® (KCL 740 / Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested: Dermatril® (KCL 740 / , Size M)
data source: KCL GmbH, D-36124, test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
Body Protection: Impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory Protection: Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Physical and Chemical Properties
Appearance: Colourless or White crystals or granular or crystalline powder
Odour: No Data Available
Odour Threshold: No Data Available
pH: 7
Melting Point: Melting Point/Range: 334 °C – lit.
Boiling Point: No Data Available
Flash Point: No Data Available
Evaporation: No Data Available
Flammability: No Data Available
Upper/Lower Flammability or Explosive Limits: No Data Available
Vapour pressure: No Data Available
Vapour density: No Data Available
Relative density: 2,11 g/cm3
Water solubility: 10 g/l – Completely Soluble
Partition Coefficien: No Data Available
Auto-ignition Temperature: No Data Available
Decomposition Temperature: 400 °C –
Viscosity: No Data Available
Explosive properties: No Data Available
Oxidizing properties: The substance or mixture is classified as oxidizing.
Other Safety Info: Bulk density 800 kg/m3

Stability and Reactivity
Reactivity: No Data Available
Chemical Stability: Stable under recommended storage conditions.
Possibility of hazardous reactions: No Data Available
Conditions to Avoid: No Data Available
Incompatible Materials: Strong reducing agents, Powdered metals, Strong acids, Organic materials.
Hazardous Decomposition Products: Hazardous decomposition products formed under fire conditions. – Nitrogen oxides (NOx), Potassium oxides.
Other decomposition products – No Data Available

Toxicological Information
Acute Toxicity: LC50 Inhalation – Rat – male and female – 4 h – > 0,527 mg/l (OECD Test Guideline 403)
LD50 Dermal – Rat – male and female – > 5.000 mg/kg (OECD Test Guideline 402)
Skin Corrosion/Irritation: Skin – Rabbit
Result: No skin irritation (OECD Test Guideline 404)
Serious Eye damage | Eye Irritation: No Data Available
Cell Mutagenicity: No data available
Mouse lymphoma cells
Carcinogenicity: IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity: Reproductive toxicity – Rat – Oral
Effects on Fertility: Other measures of fertility
Reproductive toxicity – Rat – Oral
Effects on Newborn: Behavioral.
Reproductive toxicity – Rabbit – Oral
Effects on Fertility: Abortion.
Reproductive toxicity – Guinea pig – Oral
Effects on Newborn: Stillbirth.
Reproductive toxicity – Guinea pig – Oral
Effects on Fertility: Female fertility index (e.g., # females pregnant per females mated ). Effects on Embryo or Fetus: Other effects to embryo.
Specific Target Organ Toxicity – Single Exposure: No Data Available
Specific Target Organ Toxicity – Repeated Exposure: No Data Available
Aspiration Hazard: No Data Available

Ecological Information
Ecological Toxicity: Toxicity to fish static test LC50 – Poecilia reticulata (guppy) – 1.378 mg/l – 96 h (OECD Test Guideline 203)
Toxicity to daphnia and other aquatic invertebrates – EC50 – Daphnia magna (Water flea) – 490 mg/l – 48 h
Toxicity to algae static test EC50 – Nitzschia sp. – > 1.700 mg/l – 72 h
Ecological Persistence and degradability: No Data Available
Bioaccumulative Potential: No Data Available
Mobility in Soil: No Data Available
Results of PBT and vPvB Assessment: This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Other Adverse Effect: No Data Available

Disposal Considerations
Waste Treatment Methods: Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Waste material must be disposed of in accordance with the Directive on waste 2008/98/EC as well as other national and local regulations. Leave chemicals in original containers. No mixing with other waste. Handle uncleaned containers like the product itself.

Contaminated packaging
Dispose of as unused product.

Transport Information
UN Number: ADR/RID: 1486
IMDG: 1486
IATA: 1486
IATA: Potassium nitrate
Transport Hazard Class: ADR/RID: 5.1
IMDG: 5.1
IATA: 5.1
Packaging Group: ADR/RID: III
Enviromental Hazards: ADR/RID: no
IMDG Marine pollutant: no
IATA: no
Special Precautions: No Data Available

Regulatory Information
Safety, Health and environmental regulations: This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Chemical Safety Assessment: For this product a chemical safety assessment was not carried out.
Additional Info: Repeated dose toxicity
Rat – male and female – Oral – NOAEL : > 1.500 mg/kg – OECD Test Guideline 422
RTECS: TT3700000
Absorption into the body leads to the formation of methemoglobin which in sufficient concentration causes cyanosis. Onset may be delayed 2 to 4 hours or longer. To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated. Liver – Irregularities – Based on Human Evidence


DisclaimerThe information stated above is considered to be correct, but does not claim to be inclusive and shall only be used as a guideline. The information provided by this document is confirmed by our continuous updating of knowledge and adheres to the products appropriate safety precautions. It does not represent any guarantee of the product’s
properties. RLS Chemicals and its Associates shall not be held accountable for any damage’s consequent of handling the above product.

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