Tricalcium orthphosphate
CAS No.:7758-87-4
Ca3（PO4）2，310.18
Synonyms: Precipitated calcium phosphate
Physical and chemical properties
White powder, odorless and tasteless, stable in air, relative density about 3.18, melting point 1670 ℃. Hardly soluble in water (about 0.0025g in 100g water, slightly higher in water containing carbon dioxide), insoluble in ethanol, and easily soluble in dilute hydrochloric acid and nitric acid.
Obtained by reacting calcium chloride solution with sodium triphosphate in the presence of excess ammonia; Or by reacting hydrated lime with phosphoric acid.
Toxicological basis
① ADI: MTDI 70mg / kg (BW) (calculated by total phosphorus from various sources, FAO / WHO, 1994).
②GRAS： FDA-21CFR 181.29，182.1217，182.5212，182.8217.
Application
Anti-caking agent, acidity regulator, stabilizer, bulking agent, coagulant, and water retention agent
GB 2760-2014 stipulates that it is used for milk and dairy products (except the varieties involved in 01.01.01, 01.01.02, and 13.0, which can be used alone or in combination, with the maximum amount of phosphate), cream (which can be used alone or in combination, with the maximum amount of phosphate), water oil fat emulsion products (which can be used alone or in combination, with the maximum amount of phosphate), fat emulsion products other than 02.02, Including mixed and/or flavored fat emulsion products (can be used alone or in combination,the maximum amount is calculated by phosphate), frozen drinks (except 03.04 edible ice; can be used alone or in combination, the maximum amount is calculated by phosphate), canned vegetables (can be used alone or in combination, the maximum amount is calculated by phosphate), cocoa products Chocolate and chocolate products (including cocoa butter substitute chocolate and products), candy (can be used alone or in combination, with the maximum amount of phosphate), wheat flour and its products (can be used alone or in combination, with the maximum amount of phosphate), raw wet noodle products (such as noodles, dumpling skins, wonton skins and Shaomai skins; can be used alone or in combination, with the maximum amount of phosphate) Batter (such as batter used for fish and poultry meat), wrapping powder, frying powder (can be used alone or in combination, the maximum amount is calculated by phosphate, and the amount can be increased according to the coating rate), miscellaneous grain powder (can be used alone or in combination, the maximum amount is calculated by phosphate), edible starch (can be used alone or in combination, the maximum amount is calculated by phosphate), ready to eat grain, Including rolled oats (tablets) (can be used alone or mixed, with the maximum amount of phosphate), convenient rice flour products (can be used alone or mixed, with the maximum amount of phosphate), frozen rice flour products (can be used alone or mixed, with the maximum amount of phosphate), prefabricated meat products (can be used alone or mixed, with the maximum amount of phosphate) Cooked meat products (can be used alone or in combination, the maximum use amount is calculated by phosphate), frozen aquatic products (can be used alone or in combination, the maximum use amount is calculated by phosphate), frozen surimi products (including fish balls, etc.) (can be used alone or in combination, the maximum use amount is calculated by phosphate), heat set egg products (such as egg yolk cheese and Songhua egg sausage; can be used alone or in combination, the maximum use amount is calculated by phosphate) Beverages (except 14.01 packaged drinking water; can be used alone or in combination, the maximum use amount is calculated by phosphate; solid drinks can be used by dilution multiple), jelly (can be used alone or in combination, the maximum use amount is calculated by phosphate; if used for jelly powder, the maximum use amount is increased by mixing multiple), the maximum use amount is 5.0g/kg;
Rice flour (including glutinous rice balls; can be used alone or in combination, with the maximum amount of phosphate), cereal and starch sweets (such as rice pudding and cassava pudding; only for canned cereal sweets; can be used alone or in combination, with the maximum amount of phosphate), prefabricated aquatic products (semi-finished products) (can be used alone or in combination, with the maximum amount of phosphate) Canned aquatic products (can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 1.0g/kg; Milk powder and cream powder (can be used alone or mixed, the maximum amount is calculated by phosphate), flavoring syrup (can be used alone or mixed, the maximum amount is calculated by phosphate), and the maximum amount is 10.0g/kg; Processed cheese (can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 14.0g/kg;
Other oils and fats or oil products (only vegetable fat powder) (can be used alone or in combination, the maximum amount is calculated by phosphate), compound seasoning (can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 20.0g/kg; Cooked nuts and seeds (only fried nuts and seeds; can be used alone or in combination, with the maximum amount of phosphate); puffed food (can be used alone or in combination, with the maximum amount of phosphate), with the maximum amount of 2.0g/kg; Canned grains;
It can be used alone or in combination (the maximum amount is calculated by phosphate), with other miscellaneous grain products (only frozen potato chips, frozen potato cakes, frozen potato mash, and frozen sweet potato mash; it can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 1.5g/kg; Baked food (can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 15.0g/kg; Other solid composite seasonings (only for convenient wet noodle seasoning package; can be used alone or in combination, the maximum amount is calculated by phosphate), and the maximum amount is 80.0g/kg; For the use of calcium fortifier, the strengthening amount should be controlled.
For example, China's standard for the use of food nutrition fortifiers (GB 14880-2012) stipulates that the use amount of wheat flour and its products, rice and its products, miscellaneous grain flour and its products is 1600-3200 mg/kg, and the use amount of prepared milk is 250-1000 mg/kg. It can be used alone or in combination, and the maximum amount is calculated by phosphate (P).
FAO / who regulations: as an anti-caking agent, it can be used in grape sugar powder and sucrose powder with a maximum dosage of 15g / kg (alone or in combination with other anti-caking agents, without starch); Milk powder and cream powder, 5g / kg (calculated as anhydrous matter alone or in combination with other stabilizers);
When used in vending machines, milk powder, 10g / kg, cream powder 1g / kg (alone or in combination with other anti-caking agents); Soup and soup, 15 mg/kg (alone or in combination with stearate and silica, refers to dehydrated products); Cocoa powder and sugar-containing cocoa powder, 10g / kg (alone or in combination with other anti-caking agents, sugar-containing cocoa powder is only used in vending machines).
As a stabilizer, it can be used for light condensed milk, sweet condensed milk, and thin cream, with the dosage of 2G / kg (single use) and 3G / kg (combined with other stabilizers, all calculated as anhydrous matter). 9 g / kg (total phosphate, calculated as phosphorus) for processing cheese.
Hot Tags: tricalcium orthphosphate, manufacturers, suppliers, factory, wholesale, custom
