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					Material Safety Data Sheet
Revision Issued: 2/28/07 Supercedes: 12/2003 First Issued: December 2003

Section I – Product and Company Identification
Product Name:

Tetrapotassium Pyrophosphate Solution
1101 Skokie Blvd., Northbrook, IL 60062 Phone (800) 241-6908 / (847) 849-4200 Suite 500, 122 – 1st Avenue South Saskatoon, Saskatchewan Canada S7K7G3 Phone (800) 667-0403 from Canada (800) 667-3930 from USA Emergencies (800) 424-9300 (CHEMTREC) Web Site Health Emergencies, Contact Your Local Poison Center

PotashCorp MSDS No.: ERG No.: Flammability

75 154


0 2 0


Specific Hazard


Common Name:

Tetrapotassium Pyrophosphate






Food Grade, Industrial

Section II – Composition / Information On Ingredients
Exposure Limits Chemical Name
Diphosphoric Acid, Tetrapotassium Salt


















% by Weight


Section III – Hazard Identification
Potential Acute Health Effects: Eyes and Skin: Inhalation: Ingestion: Potential Chronic Health Effects: CARCINOGENICITY LISTS Eye and skin irritant. Exposure may result in redness, pain and blisters on skin or redness, pain and burns to the eyes. May cause irritation of the lungs, upper respiratory tract or nose. Overexposure may cause coughing, burning, tightness of chest and/or shortness of breath. Symptoms may be delayed. Symptoms of lung oedema often do not appear until a few hours following exposure. Harmful if ingested. May cause gastrointestinal irritation (nausea, vomiting, diarrhea), abdominal pain, burning sensation and sore throat. Ingestion may cause shock or collapse. No data available.
IARC Monograph: No NTP: No OSHA: No

Section IV – First Aid Measures
Eyes: Skin: Ingestion: Inhalation: Immediately flush eyes (holding eyelids apart) with plenty of water for at least 15 minutes. If irritation occurs or persists, get medical attention. Immediately flush skin with plenty of water while removing contaminated clothing. Get medical attention if irritation develops or persists. Rinse mouth. Do not induce vomiting. Drink large amounts of water to dilute the product. Get medical attention. Remove to fresh air. If breathing has stopped, give artificial respiration. If breathing with difficulty, give oxygen. Observe for possible delayed reaction.

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Section V – Fire Fighting Measures
Flash Point: Lower Explosive Limit: Unusual Fire and Explosion Hazards: Extinguishing Media: Special Firefighting Procedures and Equipment: Autoignition Temperature: Non-flammable Not Applicable Upper Explosive Limit: Not Applicable Not Applicable Tetrapotassium pyrophosphate is not flammable however the following hazards can occur during a fire: release of phosphorus and potassium oxides. Chemical type foam, CO2 (Carbon Dioxide), dry chemical, water fog. Keep personnel removed from and upwind of fire. Wear full fire-fighting turn-out gear (full Bunker gear) and respiratory protection (SCBA). Cool containers containing tetrapotassium pyrophosphate with water spray to prevent rupture.

Section VI – Accidental Release Measures
Small Spill: Absorb material with an inert material such as sand, vermiculite, diatomaceous earth or other absorbent material and place in chemical waste container to be disposed at an appropriate waste disposal facility according to current applicable laws and regulations and product characteristics at time of disposal. Contain spill with dikes and transfer the material to appropriate containers for reclamation or disposal. Absorb remaining spill with an inert material such as sand, vermiculite or other absorbent material and place in chemical waste container to be disposed at an appropriate waste disposal facility according to current applicable laws and regulations and product characteristics at time of disposal. If spill could potentially enter any waterway, including intermittent dry creeks, contact the local authorities. If in the U.S., contact the US COAST GUARD NATIONAL RESPONSE CENTER toll free number 800-424-8802. In case of accident or road spill notify: CHEMTREC IN USA at 800-424-9300; CANUTEC in Canada at 613-996-6666 CHEMTREC in other countries at (International code)+1-703-527-3887. See Section XIII for disposal information and Section XV for regulatory requirements. Large and small spills may have a broad definition depending on the user's handling system. Therefore, the spill category must be defined at the point of release by technically qualified personnel.

Large Spill:

Release Notes:


Section VII – Handling and Storage
Ventilation: Handling: Storage: Use with adequate ventilation. Use appropriate personal protective equipment as specified in Section VIII. Avoid contact with skin and eyes. Avoid inhalation and ingestion. Store in unopened container in cool, well ventilated area, away from potential sources of heat and fire. Keep away from combustible materials, strong acids and metals. Large storage tanks should be bermed and electrically grounded.

Section VIII – Exposure Controls/ Personal Protection
Engineering Controls: Good ventilation should be sufficient to control airborne levels. Wear chemical splash goggles and face shield (ANSI Z87.1 or approved equivalent) when eye and face contact is possible due to splashing or spraying of material. Where contact is likely, wear chemical-resistant gloves and chemical safety goggles plus a face shield. Wear NIOSH approved respiratory protective equipment when workplace conditions warrant use of respirator. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.

Personal Protection:
Eye Protection: Protective Clothing: Respiratory Protection: Other Protective Clothing or Equipment:

Section IX – Physical and Chemical Properties
Appearance/Color/Odor: Melting Point/Range: Solubility in Water: Specific Gravity: Vapor Density: Bulk Density: pH: Viscosity: Clear liquid with no odor. Not Available Miscible 1.74 at 15 C (59 F) 0.1 to 0 mm Hg at 20 C (68 F) 1.74 g/ml at 15 C (59 F) 10.0-10.5 in 1% solution Not Available
o o o o o

Boiling Point: Boiling Point Range: Vapor Pressure (mmHg): Molecular Weight: % Volatiles: Evaporation Rate: Freezing Point: Density:

Not Available Not Available Not Available 330 Not Applicable Not Applicable Not Available Not Available

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Section X – Stability and Reactivity
Stability: Hazardous Polymerization: Conditions to Avoid: Materials to Avoid (Incompatibles): Hazardous Decomposition Products: This product is stable under normal conditions of storage, handling and use. Will not occur High temperatures and moisture as product is somewhat hygroscopic in air (deliquescent at a relative humidity of above 40-45%). Strong acids and metals. This material is severely corrosive to aluminum. Phosphorus oxides and potassium oxides.

Section XI – Toxicological Information
Significant Routes of Exposure: Eyes, Skin, Respiratory System, Digestive Tract Acute Oral Toxicity: Acute Inhalation Toxicity: Acute Toxicity: Other Routes: Acute Dermal Toxicity: Repeated Dose Toxicity: Eye & Skin Irritation/Corrosion: Developmental Toxicity/Teratogenicity: Bacterial Genetic Toxicity In-Vitro: Gene Mutation: Non-Bacterial Genetic Toxicity In-Vitro: Chromosomal Aberration: Toxicity to Reproduction: No data available No data available No data available No data available No data available No data available No data available No data available No data available No data available No data available No data available No data available

Toxicity to Animals:

Special Remarks on Toxicity to Animals: Other Effects on Humans: Special Remarks on Chronic Effects on Humans Special Remarks on Other Effects on Humans:

Section XII – Ecological Information
EPA Ecological Toxicity rating : High Acute Toxicity to Fish: No data available Chronic Toxicity to Fish: No data available Acute Toxicity to Aquatic No data available Invertebrates: Toxicity to Aquatic Plants: No data available Toxicity to Bacteria: (activated No data available sludge): Toxicity to Soil Dwelling Organisms: No data available Toxicity to Terrestrial Plants: No data available Stability in Water: No data available Stability in Soil: No data available Transport and Distribution: No data available Inorganic phosphates have the potential to increase the growth of freshwater algae, whose eventual death will reduce the available oxygen for aquatic life. Biodegradation: No data available Photodegradation: No data available


Environmental Fate: Toxicity: Degradation Products:

Section XIII – Disposal Considerations
Product Disposal: General Comments: Collect in appropriate containers. Dispose of at an appropriate waste disposal facility in accordance with current applicable laws and regulations and product characteristics at time of disposal. None

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Section XIV – Transportation Information
Proper Shipping Name: Hazard Class: Identification Number: Packing Group (Technical Name): Labeling / Placarding: USDOT TDG - Canada Corrosive Liquid, Basic, Inorganic, N.O.S. Corrosive Liquid, Basic, Inorganic, N.O.S. 8 8 UN3266 UN3266 III (Tetrapotassium Pyrophosphate) III (Tetrapotassium Pyrophosphate) Corrosive Corrosive Rail: DOT 103, 104, 105, 109, 111, 112, 114, 115, 120; Class 106 or 110 multi-unit tank car tanks and AAR class 203W, 206W and 211W tank car tanks. Truck: MC300, 301,302, 303, 304, 305, 306, 307, 310, 311, 312, 330, 331, DOT406, 407, 412 cargo tank motor vehicles; and non-DOT specification cargo tank motor vehicles suitable for transport of liquids. ADR/RID Hazard Classification: 8 ADR/RID Item Number: 17oC U.S. Custom Harmonization Number: 2809.20.00.30

Authorized Packaging:

Notes: European Transportation:

Section XV – Regulatory Information
This product has been reviewed according to the EPA Hazard Categories promulgated under Section 311 and 312 of the Superfund Amendment and reauthorization Act of 1986 (SARA title III) and is considered, under applicable definitions, to meet the following categories: UNITED STATES: SARA Hazard Category:


Pressure Generating:








40 CFR Part 355 - Extremely Hazardous Substances: None 40 CFR Part 370 - Hazardous Chemical Reporting: None All intentional ingredients listed on the TSCA inventory. This product contains the following substances subject to the reporting requirements of Title III (EPCRA) of SARA Title III Information: the Superfund amendments and Reauthorization Act of 1986 and 40 CFR Part 372: SARA (1986) Reporting Percent CERCLA RQ Chemical CAS NO. by Weight (lbs) 311 312 313 Diphosphoric Acid, 7320-34-5 60-63 Yes Yes No Tetrapotassium Salt If this product contains components subject to substances designated as CERCLA reportable Quantity (RQ) CERCLA/Superfund, 40 Substances, it will be designated in the above table with the RQ value in pounds. If there is a release of RQ Substance to the environment, notification to the National response Center, Washington D.C. (1-800-424CFR Parts 117, 302: 8802) is required. WHMIS Hazard Symbol and classification: This product is WHMIS controlled. Category E Ingredient Disclosure List: This product does not contain ingredient(s) on this list. CANADA: All intentional ingredients are listed on the DSL (Domestic Environmental Protection: Substance List). (Diphosphoric Acid, Tetrapotassium Salt) 230-785-7 EINECS#: This is not a chemical known to cause cancer, nor is it listed. California: Prop 65:

Section XVI – Other Information
NFPA Hazard Ratings: COMMENTS: Section(s) changed since last revision: Health: 2 Fire: 0
1 = Slight

2 = Moderate


Special Hazards:
3 = High 4 = Extreme

0 = Insignificant


Although the information contained is offered in good faith, SUCH INFORMATION IS EXPRESSLY GIVEN WITHOUT ANY WARRANTY (EXPRESS OR IMPLIED) OR ANY GUARANTEE OF ITS ACCURACY OR SUFFICIENCY and is taken at the user's sole risk. User is solely responsible for determining the suitability of use in each particular situation. PCS Sales specifically DISCLAIMS ANY LIABILITY WHATSOEVER FOR THE USE OF SUCH INFORMATION, including without limitation any recommendation which user may construe and attempt to apply which may infringe or violate valid patents, licenses, and/or copyright.

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