Potassium Metabisulfite Metabisulphite SDS, MSDS Sheet

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

Product Name & Other Names: Potassium metabisulfite or Potassium metabisulphite or Potassium disulfite or Potassium pyrosulfite or Dipotassium pyrosulfite or Dipotassium disulfite or Dipotassium metabisulfite or Potassium disulfite or Pyrosulfurous acid, dipotassium salt.
CAS#: 16731-55-8
Chemical Formula: K2-S2-O5
Molecular Weight: 222.32
EINECS EC Number: 240-795-3
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

Skin corrosion/irritation Category (H315)
Serious eye damage/eye irritation Category 1 (H318)

Hazard Statements:
H315: Causes skin irritation.
H318: Causes serious eye damage.

Precautionary Statements:
P264: Wash … thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P362: Take off contaminated clothing and wash before reuse.
P302+352: IF ON SKIN: Wash with soap and water.
P332+313: If skin irritation occurs: Get medical advice/attention.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P337+P313 If eye irritation persists: Get medical advice/ attention.
P314: Get Medical advice/attention if you feel unwell.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbol:
Xi: Irritant.
Risk Phrases:
R38 Irritating to skin.
R41 Risk of serious damage to eyes.

Section 3: Composition and Information on Ingredients
Product Name & Other Names: Potassium metabisulfite or Potassium metabisulphite or Potassium disulfite or Potassium pyrosulfite or Dipotassium pyrosulfite or Dipotassium disulfite or Dipotassium metabisulfite or Potassium disulfite or Pyrosulfurous acid, dipotassium salt.
CAS #: 16731-55-8
EINECS EC Number: 240-795-3

Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Do not induce vomiting. Get medical aid.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically and supportively.

Flammability of the Product: Potassium metabisulfite is non-flammable.
Products of Combustion: Sulphur oxides, Potassium oxides.
Fire Fighting Media and Instructions: Dry powder.
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. It may ignite during milling or grinding (when powdering it).

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: 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 acids.

Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits.
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 may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
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.

Physical state and appearance: Solid. (White crystalline powder).
Odor: Sulfurous. Sulfur dioxide odor
Odor threshold: Not available.
pH (1% soln/water): 3-5.
Relative density: around 2.34
Melting Point: Decomposition temperature: 150C (302F)
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility(ies): Easily soluble in cold water, hot water. Soluble in acids and alkaline. Insoluble in alcohol.
Viscosity: Not available.
Chemical Formula: K2-S2-O5
Molecular Weight: 222.31

Stability: Stable.
Instability Temperature: Not available.
Conditions of Instability: Incompatible materials, moisture, air
Incompatibility with various substances: Reactive with oxidizing agents, acids.
Corrosivity: Non-corrosive in presence of glass.
Special Remarks on Reactivity: Liberates sulfur dioxide in contact with acids. Air sensitive. Moisture sensitive. It oxidizes in air to sulfate, more readily in presence of moisture.
Polymerization: Will not occur.

Toxicity to Animals:
LD50 Oral - Rat - male and female - > 2,000 mg/kg
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.

Toxicity to fish: LC50 - Danio rerio (zebra fish) - 464 - 1,000 mg/l - 96 h
Toxicity to fish: No information available.
Persistence and Degradability: No information available.
Mobility: No information available.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.

Waste Disposal: Waste must be disposed of in accordance with environmental control regulations.

DOT USA, TDG Canada & ADR/RID Europe: Not dangerous goods.
IMDG/IMO: Not dangerous goods.
IATA/ICAO: Not dangerous goods.

USA:
SARA 313: Not applicable
SARA 311/312 Hazardous Categorization: Acute Health Hazard, Reactive Hazard
CERCLA: Not applicable
California Proposition 65: This product does not contain any Proposition 65 chemicals.

European Labeling in Accordance with EC Directives:
H315: Causes skin irritation.
H318: Causes serious eye damage.

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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