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Description: Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a colorless transparent crystalline chemical compound with the formula Na4P2O7. It is a salt composed of pyrophosphate and sodium ions. Toxicity is approximately twice that of table salt when ingested orally. There is also a hydrated form, Na4P2O7 · 10(H2O). Sodium pyrophosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive. Common foodscontaining sodium pyrophosphate include chicken nuggets, marshmallows, pudding, crab meat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats where it is used as a palatability enhancer. Disodium Dihydrogen Pyrophosphate Na2H2P2O7 was the active ingredient (replacing Potassium Hydrogen Tartrate, Cream of Tartar as the acid component) in Bakewell, a substitute baking powder marketed during shortages in World War II. It is also used in some common baking powders.
In toothpaste and dental floss, sodium pyrophosphate acts as a tartar control agent, serving to remove calcium and magnesium from saliva and thus preventing them from being deposited on teeth. Tetrasodium pyrophosphate is used in commercial dental rinses before brushing to aid in plaque reduction.
Sodium pyrophosphate is sometimes used in household detergents to prevent similar deposition on clothing, but due to its phosphate content it causes eutrophication ofwater, promoting algae growth.
Calcium pyrophosphate is the crystal deposited in joints in the medical condition pseudogout.
Our Chemical Products are shipped with current globally harmonized Safety Data Sheets and Labeling. Quantities smaller than original package are carefully repackaged and sealed in smaller Foil, Plastic, or HDPE containers. Packaging is designed to minimize shipping costs and give you the best possible value for your compounds, craft making, toiletries and soaps. Shipments are classified ORM-D when applicable. Our packaging meets all US DOT specifications and our shipments are all made with reliable licensed carriers to deliver your high quality product in a timely manner. Grade Definitions applied by manufacturer to original package are as follows: U.S.P. / Food Grade: A chemical grade of sufficient purity to meet or exceed requirements of the United States Pharmacopeia (USP); acceptable for food, drug, or medicinal use; may be used for most laboratory purposes. A.C.S.: A chemical grade of highest purity and meets or exceeds purity standards set by American Chemical Society (ACS). Reagent: High purity generally equal to A.C.S. grade and suitable for use in many laboratory and analytical applications. Technical: Good quality chemical grade used for commercial and industrial purposes. Not pure enough to be offered for food, drug, or medicinal use. N.F.: A grade of sufficient purity to meet or exceed requirements of the United States National Formulary. (Since bought out and merged with the United States Pharmacopeia, USP-NF.) Lab: A chemical grade of relatively high quality with exact levels of impurities unknown; usually pure enough for educational applications. Not pure enough to be offered for food, drug, or medicinal use. Purified: Also called pure or practical grade, and indicates good quality chemicals meeting no official standard; can be used in most cases for educational applications. Not pure enough to be offered for food, drug, or medicinal use. PURCHASE REQUIREMENTS / Terms of sale. To purchase products you must meet the following criteria. Your order for products represents your confirmation that you meet the criteria and agree to the terms of sale. I am of legal age. This item is a consumer commodity that I am using for hobby or other household use. As the user I understand that I am responsible for determining the suitability of this product for its intended use, and assume all risk and liability whatsoever in connection therewith. The manufacturer and seller make no representation or warranty, including merchantability expressed or implied. Seller and manufacturers’ liability from any losses or damages resulting from any cause whatsoever shall in no event exceed the purchase price of this product. This product will not be used for any illegal purpose.