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Trisodium phosphate (TSP) is an inorganic compound with the chemical formula Na 3 P O 4. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. TSP is used as a cleaning agent , builder , lubricant , food additive , stain remover , and degreaser .
1948 advertisement for the product. On June 15, 1926, Whistle Bottling Company of Johnsonburg, Pennsylvania, registered "Spic and Span" trademark No. 214,076 — washing and cleaning compound in crystal form with incidental water-softening properties.
disodium phosphate dodecahydrate: Na 2 HPO 4 ·12H 2 O: 10039–32–4 trisodium phosphate (anhydrous, hexagonal) Na 3 PO 4: trisodium phosphate (anhydrous, cubic) Na 3 PO 4: 7601–54–9 trisodium phosphate hemihydrate: Na 3 PO 4 ·0.5H 2 O: trisodium phosphate hexahydrate: Na 3 PO 4 ·6H 2 O: trisodium phosphate octahydrate: Na 3 PO 4 ·8H 2 ...
Sodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na 2 HPO 4, and monosodium phosphate, NaH 2 PO 4, under carefully controlled conditions. [2] 2 Na 2 HPO 4 + NaH 2 PO 4 → Na 5 P 3 O 10 + 2 H 2 O. In this way, approximately 2 million tons are produced annually. [3]
Menards sold the Menard Building Division in 1994, racking up 36 years in the pole building industry. Menards of East Madison, Wisconsin, pictured in 2012 (closed and relocated to Sun Prairie in 2018) [6] Menards was founded as Menard Cashway Lumber. In the mid-1980s, the "Cashway Lumber" name was dropped and the business became simply known to ...
Disodium phosphate (DSP), or disodium hydrogen phosphate, or sodium phosphate dibasic, is an inorganic compound with the chemical formula Na 2 H P O 4. It is one of several sodium phosphates . The salt is known in anhydrous form as well as hydrates Na 2 HPO 4 · n H 2 O , where n is 2, 7, 8, and 12.
Trisodium trimetaphosphate is produced industrially by heating sodium dihydrogen phosphate to 550 °C, a method first developed in 1955: [5] 3 NaH 2 PO 4 → Na 3 P 3 O 9 + 3 H 2 O. The trimetaphosphate dissolves in water and is precipitated by the addition of sodium chloride (common ion effect), affording the hexahydrate. [6]
In 1977 the United States Environmental Protection Agency published a position paper advocating for a phosphate ban in detergents. States including Maine, Florida, and Indiana in the United States began restricting or banning the use of phosphates in laundry detergent in the early 1970s, culminating in a nationwide voluntary ban in 1994. [ 3 ]