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Potassium Metabisulfite Metabisulphite MSDS Sheet
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Potassium Metabisulfite Metabisulphite USP BP IP ACS Analytical Reagent FCC Food grade Manufacturers
Potassium Metabisulfite MSDS Sheet, Potassium Metabisulphite Material Safety Data Sheet
Section 1: Chemical Product and Company Identification
Product Name: Potassium metabisulfite Potassium metabisulphite
Synonym: Dipotassium pyrosulfite; Dipotassium disulfite; Dipotassium metabisulfite; Potassium disulfite; Pyrosulfurous acid, dipotassium salt
Chemical Name: Potassium Pyrosulfite
Chemical Formula: K2-S2-O5
Section 2: Composition and Information on Ingredients
Composition Name: Potassium metabisulfite or Potassium metabisulfite
CAS #: 16731-55-8
% by Weight: 100
Section 3: Hazards Identification
Potential Acute Health Effects: Potassium metabisulfite is hazardous in case of skin contact (irritant), of eye contact (irritant), of inhalation (lung irritant). Slightly hazardous in case of ingestion.
Potential Chronic Health Effects:
Carcinogenic Effects: 3 (Not classifiable for human.) by IARC.
Mutagenic Effects: Not available.
Teratogenic Effects: Not available.
Developmental Toxicity: Not available.
Repeated or prolonged exposure is not known to aggravate medical condition.
Section 4: First Aid Measures
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.
Section 5: Fire and Explosion Data
Flammability of the Product: Potassium metabisulfite is non-flammable.
Auto-Ignition Temperature: Not applicable.
Flash Points: Not applicable.
Flammable Limits: Not applicable.
Products of Combustion: Not available.
Fire Hazards in Presence of Various Substances: Not applicable.
Explosion Hazards in Presence of Various Substances:
Fire Fighting Media and Instructions: Not applicable.
Special Remarks on Fire Hazards: When heated to decomposition it emits toxic fumes of sulfur oxides and potassium sulfate. It may ignite during milling or grinding (when powdering it).
Special Remarks on Explosion Hazards: Not available.
Section 6: Accidental Release Measures
General Information: Use proper personal protective equipment.
Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation. Do not let this chemical enter the environment.
Section 7: Handling and Storage
Precautions: Do not breathe dust of Potassium metabisulfite. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If you feel unwell, seek medical attention and show the label when possible. Avoid contact with skin and eyes. Keep away from incompatibles such as oxidizing agents, acids.
Storage: Keep Potassium metabisulfite or Potassium metabisulfite container tightly closed. Keep container in a cool, well-ventilated area.
Section 8: Exposure Controls/Personal Protection
Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits.
Personal Protection: Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
Personal Protection in Case of a Large Spill: Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to avoid inhalation of the product.
Exposure Limits: Not available.
Section 9: Physical and Chemical Properties
Physical state and appearance: Potassium metabisulfite is solid. (Crystalline powder. Crystals solid.)
Odor: Sulfurous. Sulfur dioxide odor
Taste: Not available.
Molecular Weight: 222.31 g/mole
pH (1% soln/water): Not available.
Boiling Point: Not available.
Melting Point: Decomposition temperature: 150C (302F)
Critical Temperature: Not available.
Specific Gravity: Density: 2.34 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: 2.3 (Air = 1)
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: See solubility in water.
Easily soluble in cold water, hot water.
Soluble in acids and alkaline.
Insoluble in alcohol
Section 10: Stability and Reactivity Data
Stability: Potassium metabisulfite or Potassium metabisulphite is 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 to in air to sulfate, more readily in presence of moisture.
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Inhalation. Ingestion.
Toxicity to Animals:
LD50: Not available.
LC50: Not available.
Chronic Effects on Humans: 3 (Not classifiable for human.) by IARC.
Other Toxic Effects on Humans: Hazardous in case of skin contact (irritant), of inhalation (lung irritant). Slightly hazardous in case of ingestion.
Special Remarks on Toxicity to Animals: Not available.
Special Remarks on Chronic Effects on Humans: May cause adverse reproductive effects based on animal test data. May affect genetic material (mutagenic)
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects:
Skin: May cause skin irritation.
Eyes: May cause eye irritation.
Inhalation: May cause respiratory tract irritation. May cause asthmatic attacks due to allergic sensitization of the respiratory tract.
Ingestion: May cause gastrointestinal tract irritation with abdominal pain, nausea, vomiting and diarrhea. May cause allergic/hypersensitivity/anaphylactoid reaction. Some asthmatics are said to be sensitive to minute amounts of sulfites in foods. It may cause a worsening of asthma in asthmatics. Individuals sensitive to sulfides may experience stomach upset , tightness in the chest, or wheezing. Extremely large concentrations may produce central nervous system, seizures, hypotension, tachycardia, and cardiovascular collapse.
Section 12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation: Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise.
Toxicity of the Products of Biodegradation: The product itself and its products of degradation are not toxic.
Special Remarks on the Products of Biodegradation: Not available.
Section 13: Disposal Considerations
Waste Disposal: Waste must be disposed of in accordance with environmental control regulations.
Section 14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not applicable.
Special Provisions for Transport: Not applicable.
Section 15: Other Regulatory Information
USA Federal and State Regulations: TSCA 8(b) inventory: Potassium metabisulfite
Other Regulations: EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.
WHMIS (Canada): Not yet classified under WHMIS (Canada)
R31- Contact with acids liberates toxic gas.
R36/37/38- Irritating to eyes, respiratory system and skin.
S26- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36- Wear suitable protective clothing.
Health Hazard: 2; Fire Hazard: 0 Reactivity: 0; Personal Protection: E
National Fire Protection Association (U.S.A.):
Health: 2; Flammability: 0; Reactivity: 0; Specific hazard:
Dust respirator. Be sure to use an approved/certified respirator or equivalent.
Section 16: Other Information
Our company provides this Potassium metabisulfite MSDS information sheet contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This Potassium metabisulphite 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.
Potassium Metabisulfite Metabisulphite Manufacturers:
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950; FAX: 91-22-23728264
USA & Canadian Customers may
Copyright and Usual Disclaimer is Applicable.
Last updated: 05 May, 2013.
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