Potassium Nitrate SDS, MSDS Sheet

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Potassium Nitrate SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 05-Dec-20

Product Name & Other Names: Potassium nitrate or Saltpeter or Niter or Nitric acid, potassium salt.
CAS No.: 7757-79-1
EINECS EC Number: 231-818-8
Molecular Weight: 101.1
Chemical Formula: KNO3
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Suppliers: As per letterhead.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Oxidizing solids Category 3, H272
Skin corrosion/irritation Category 2, H315
Serious eye damage/eye irritation Category 2A, H319
Specific target organ toxicity - single exposure Category 3, Respiratory system, H335
Hazardous to the aquatic environment, acute hazard Category 3, H402

Hazard Statements:
H272: May intensify fire; oxidizer.
H315 : Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H402: Harmful to aquatic life.

Precautionary Statements
P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P220: Keep/Store away from clothing/other combustible materials.
P221: Take any precaution to avoid mixing with combustibles.
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash ... thoroughly after handling.
P273: Avoid release to the environment.
P280-Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 - IF ON SKIN: Wash with plenty of soap and water.
P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304 + P340 - IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P314: Get Medical advice/attention if you feel unwell.
P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P332+P313: If skin irritation occurs: Get medical advice/attention.
P337+313: If eye irritation persists get medical advice/attention.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P370+378: In case of fire: Use Dry chemical, carbon dioxide, Halon, water spray, or fog for extinction. If water is used, apply from as far a distance as possible.
P362: Take off contaminated clothing and wash before reuse.
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
O Oxidizing
Xi Irritant
Risk Phrases:
R8 Contact with combustible material may cause fire
R36/37/38 Irritating to eyes, respiratory system, and skin.
R52 Harmful to aquatic organisms.

Product Name & Other Names: Potassium nitrate or Saltpeter or Niter or Nitric acid, potassium salt.
CAS No.: 7757-79-1
EINECS EC Number: 231-818-8

Inhalation: If Potassium Nitrate is inhaled, remove to fresh air. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention.

Fire: Not combustible, but substance is a strong oxidizer and its heat of reaction with reducing agents or combustibles may cause ignition.
Explosion: Some nitrates may explode when shocked, exposed to heat or flame, or by spontaneous chemical reaction. Sealed containers may rupture when heated. Sensitive to mechanical impact.
Fire Extinguishing Media: Dry chemical, carbon dioxide, Halon, water spray, or fog. If water is used, apply from as far a distance as possible. Water spray may be used to keep fire exposed containers cool. Do not allow water runoff to enter sewers or waterways.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. This oxidizing material can increase the flammability of adjacent combustible materials.

Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container.
Large Spill: Oxidizing material. Contain spilled material. Do not let the product enter drains. Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow evacuating as per law.

Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents and heavy metals, phosphites, organic compounds, carbonaceous materials. Protect against physical damage and moisture. Isolate from any source of heat or ignition. Avoid storage on wood floors. Separate from incompatibles, combustibles, organic or other readily oxidizable materials.

Airborne Exposure Limits: None established.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Appearance: White crystals.
Odor: Odorless.
Odor threshold: Not available.
pH: around 7
Relative density: around 2.1
Boiling Point: 400C (752F)
Melting Point: 333C (631F)
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor Density (Air=1): 3.00
Vapor Pressure (mm Hg): Negligible @ 20C.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: 36 gm/l00 ml water
Viscosity: Not available.
Molecular Weight: 101.1
Chemical Formula: KNO3

Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Oxides of nitrogen and toxic metal fumes may form when heated to decomposition.
Hazardous Polymerization: Will not occur.
Incompatibilities: Heavy metals, phosphites, organic compounds, carbonaceous materials, strong acids, and many other substances.
Conditions to Avoid: Heat, flames, ignition sources and incompatibles.

Oral rat LD50: 3750 mg/kg. Investigated as a mutagen, reproductive effector.
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as possible or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.

Ecology - water: Mild water pollutant (surface water). Ground water pollutant. Maximum concentration in drinking water: 50 mg/l (nitrate) (Directive 98/83/EC).
Slightly harmful to invertebrates (Daphnia) (EC50 (48h): 100 - 1000 mg/l).
Slightly harmful to plankton (EC50: 100 - 1000 mg/l).
LC 50 (Bluegill (Lepomis macrochirus), 96 h): 420 mg/l Mortality
LC 50 (Western mosquito fish (Gambusia affinis), 96 h): 62 mg/l Mortality
LC 50 (Water flea (Daphnia magna), 96 h): 39 mg/l Mortality>
Persistence and Degradability: Unlikely to persist due to water solubility.
Mobility: Likely to be mobile due to water solubility.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.

Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved waste facility. Processing use or contamination of this product may change the waste management options. Dispose of container and unused contents in accordance legal requirements.

DOT USA, TDG Canada & ADR/RID Europe:
Proper Shipping Name: POTASSIUM NITRATE
Hazard Class: 5.1
UN/NA: UN1486
Packing Group: III
Marine Pollutant: No
IMDG/IMO & IATA/ICAO:
Proper Shipping Name: POTASSIUM NITRATE
Hazard Class: 5.1
UN/NA: UN1486
Packing Group: III
Marine Pollutant: No

USA:
SARA 302: No
SARA 313: No
SARA 311/312: Acute: Yes; Fire; Yes. See section 2.
California Prop. 65 Components: This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm.

European Labeling in Accordance with EC Directives:
H272 = May intensify fire; oxidizer.
H315 = Causes skin irritation.
H319 = Causes serious eye irritation.
H335 = May cause respiratory irritation.
H402 = Harmful to aquatic life.

DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.

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