焦磷酸钠，又称四磷酸钠和磷酸四钠，可分为无水和十水合物。无水物质为无色或白色晶体或结晶性粉末，无水物质为白色粉末，易溶于水，不溶于乙醇等有机溶剂。

Sodium pyrophosphate, also known as sodium tetraphosphate and tetrasodium phosphate, can be divided into anhydrous and decahydrate. Anhydrous substances are colorless or white crystals or crystalline powders, while anhydrous substances are white powders that are easily soluble in water and insoluble in organic solvents such as ethanol.

在食品工业中焦磷酸钠用作品质改良剂、乳化剂、缓冲剂和螯合剂。下面氢氧化钾厂家为您解答：

Sodium pyrophosphate is used as a quality improver, emulsifier, buffer, and chelating agent in the food industry. Potassium hydroxide manufacturer below

1.作为食品品质改良剂、PH调节剂、金属离子螯合剂、乳化分散剂、粘合剂等。在食品工业中，主要用于肉类和水产品加工，提高PH值和保水能力，保持肉类鲜嫩，稳定天然色素，防止脂肪腐败;

1. As a food quality improver, pH regulator, metal ion chelating agent, emulsifying dispersant, adhesive, etc. In the food industry, it is mainly used for processing meat and aquatic products, improving pH value and water retention capacity, maintaining meat freshness, stabilizing natural pigments, and preventing fat spoilage;

2.用于面食，增强面食的加工性能，提高面食的品质;

2. Used for pasta to enhance its processing performance and improve its quality;

3.用作罐头、果汁饮料和乳制品的品质改良剂;

3. Used as a quality improver for canned goods, juice drinks, and dairy products;

4.用于避免水果加工后变色;

4. Used to avoid discoloration after fruit processing;

5.此外，它还可以用作鸡蛋的清洗液、奶酪的乳化剂、酱油和豆浆的添加剂。

5. In addition, it can also be used as egg cleaning liquid, cheese emulsifier, soy sauce and soybean milk additive.

焦磷酸钠水溶液呈碱性，煮沸后水解为磷酸氢二钠。在干燥空气中风化，容易吸收空气中的水分而潮解。能与金属离子发生络合反应;遇银生成白色焦磷酸银。

Sodium pyrophosphate aqueous solution is alkaline and hydrolyzes to disodium hydrogen phosphate after boiling. Weathering in dry air can easily absorb moisture from the air and cause deliquescence. Capable of complexing with metal ions; When it encounters silver, it generates white silver pyrophosphate.

焦磷酸钠不仅具有软化水的作用，还能复溶钙镁的不溶性盐，如服装纤维中的不溶性钙皂或其他金属皂形成的污垢，使其复溶，提高去污能力。此外，焦磷酸钠具有解絮凝作用，使油乳化，称为胶溶性。还可以进一步降低表面活性剂溶液的表面张力和界面张力，起到助洗的作用。焦磷酸钠在机械加工中用作除锈剂，在化工生产中用作分散剂和乳化，也可用于水处理剂，如软水器、石油钻井等。

Sodium pyrophosphate not only has the effect of softening water, but also can dissolve insoluble salts of calcium and magnesium, such as insoluble calcium soap in clothing fibers or dirt formed by other metal soaps, to improve its decontamination ability. In addition, sodium pyrophosphate has a deflocculating effect, which emulsifies oil and is called colloidal solubility. It can also further reduce the surface tension and interfacial tension of the surfactant solution, playing a role in assisting washing. Sodium pyrophosphate is used as a rust remover in mechanical processing, as a dispersant and emulsification agent in chemical production, and also as a water treatment agent, such as water softeners and petroleum drilling.

焦磷酸钠具有普通聚合磷酸盐的一般性质，即乳化性、分散性、防止脂肪氧化、改善蛋白质的结块性、控制食品在高pH值下的氧化和发酵。焦磷酸钠在食品工业中用作品质改良剂、乳化剂、缓冲剂和螯合剂。罐头中螯合金属离子可以提高成品质量。奶酪的融化剂和乳化剂。用于酱油、豆瓣酱，可防止豆瓣酱褐变，改善色泽。

Sodium pyrophosphate has the general properties of ordinary polyphosphates, including emulsification, dispersibility, prevention of fat oxidation, improvement of protein clumping, and control of food oxidation and fermentation at high pH values. Sodium pyrophosphate is used as a quality improver, emulsifier, buffer, and chelating agent in the food industry. Chelated metal ions in cans can improve the quality of finished products. Melting agents and emulsifiers for cheese. Used in soy sauce and bean paste, it can prevent the bean paste from browning and improve its color.

焦磷酸钠需要避免与铝、铝合金和氧化物接触。易溶于水，在20度的100克水中溶解度为6.23克，水溶液呈碱性;不溶于酒精。水溶液在70以下稳定，煮沸时会水解成磷酸氢二钠。能与碱土金属离子形成络合物;当与银相遇时，产生白色焦磷酸银。很容易吸收空气中的水分而潮解。

Sodium pyrophosphate needs to avoid contact with aluminum, aluminum alloys, and oxides. It is easily soluble in water, with a solubility of 6.23 grams in 100 grams of water at 20 degrees Celsius, and the aqueous solution is alkaline; Insoluble in alcohol. The aqueous solution is stable below 70 and will hydrolyze to disodium hydrogen phosphate when boiled. Can form complexes with alkaline earth metal ions; When it meets silver, white silver pyrophosphate is produced. It is easy to absorb moisture from the air and deliquescence.

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