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Safety Data Sheet EN

Potassium nitrate

CAS 7757-79-1

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Potassium nitrate
Product Code
60429
Chemical Name
Potassium nitrate

Regulatory Identifiers

CAS Number
7757-79-1 Check regulations →

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

S

Sigma-Aldrich BVBA/SPRL

Pegasuslaan 5, B-1831 DIEGEM

+32 3 899 1301

Emergency Contacts

Emergency Contact

070 245245

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Ox. Sol. Cat. 3

GHS Pictograms

GHS03 - Oxidizing

GHS03

Hazard Statements

H272 May intensify fire; oxidiser.

Precautionary Statements

P220 Keep/Store away from clothing/ combustible materials.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Formula : KNO₃ Molecular Weight : 101,10 g/mol

Chemical Name CAS Number Concentration Hazardous
KNO₃ --- --- No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

Skin contact

Wash off with soap and plenty of water. Consult a physician.

Eye contact

Flush eyes with water as a precaution.

Ingestion

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

Specific hazards

nitrogen oxides (NOx), Potassium oxides

Firefighter Protection

Wear self contained breathing apparatus for fire fighting if necessary.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.

Environmental

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

Cleanup methods

Sweep up and shovel. Collect with an electrically protected vacuum cleaner or by wet-brushing.

Materials: suitable, closed containers

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Avoid formation of dust and aerosols. Keep away from sources of ignition - No smoking. Keep away from heat and sources of ignition.

Storage

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Fire prevention

Keep away from sources of ignition - No smoking. Keep away from heat and sources of ignition. Normal measures for preventive fire protection.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

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. Immersion protection: Material: Nitrile rubber, Minimum layer thickness: 0,11 mm, Break through time: > 480 min, Material tested: Dermatril® (Aldrich Z677272, Size M). Splash protection: Material: Nitrile rubber, Minimum layer thickness: 0,11 mm, Break through time: > 30 min, Material tested: Dermatril® (Aldrich Z677272, Size M). data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 873000, e-mail sales@kcl.de, 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 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.

Eyes

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).

Respiratory

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).

Skin/Body

impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Upper Explosive Limit
---
Flash Point
no data available
Vapor Pressure
---
Solubility
---
Form
crystalline
Ph
5,5 - 8 at 50 g/l at 20 °C
Odor
no data available
Evaporation Rate
---
Partition Coefficient
---
Melting Point
Melting point/range: 334 °C - lit.
Density
---
Physical State Data
solid
Dynamic Viscosity
---
Solubility In Fat
---
Freezing Point
---
Odor Threshold
no data available
Crystallisation Point
---
Colour Intensity
---
Relative Evaporation Rate
---
Softening Point
---
Vapor Density
---
Auto Ignition Temperature
---
Decomposition Temperature
---
State Under Standard Conditions
---
Bulk Density
800 kg/m3
Physical State
solid
Appearance
Form: crystalline Colour: white
Solubility In Water
---
Properties Status
---
Metal Corrosion
---
Lower Explosive Limit
---
Kinematic Viscosity
---
Voc Content
---
Colour
white
Flammability
---
Molecular Weight
---
Explosive Limits
---
Cloud Point
---
Relative Density
2,109 g/cm3
Boiling Point
no data available
Solidification Point
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

no data available

Reactivity

no data available

Hazardous reactions

no data available

Avoid

no data available

Incompatible

Strong reducing agents, Powdered metals, Strong acids, Organic materials

Decomposition

Other decomposition products - no data available

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
1486
Shipping Name
POTASSIUM NITRATE
Transport Class
5.1
Packing Group
III
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Potassium nitrate?

The signal word is warning.

What is the physical form of Potassium nitrate?

Potassium nitrate is a solid appearing as form: crystalline colour: white with white color. It has no data available odor.

What is Potassium nitrate used for?

Laboratory chemicals, Manufacture of substances

What are the hazard statements for Potassium nitrate?

This substance has 1 hazard statement:

  • H272: May intensify fire; oxidiser.

What is the melting point of Potassium nitrate?

The melting point is Melting point/range: 334 °C - lit. and the boiling point is no data available.