Calcium hydrogen phosphate
CAS No.:7757-93-9
CaHPO4 · 2H2O, 172.09 (water), 136.06 (anhydrous)
Synonym: calcium monohydrogen phosphate
Physical and chemical properties
Anhydrous substance or hydrate containing two molecules of water, white powder, odorless, tasteless, and stable in air. It is almost insoluble in water (0.02%, 25 ℃), easily soluble in dilute hydrochloric acid, dilute nitric acid, and acetic acid, and insoluble in ethanol.
Prepared by the reaction of calcium salt and disodium hydrogen phosphate; It is prepared by reacting phosphoric acid with lime milk or calcium carbonate.
Toxicological basis
①GRAS： FDA-21CFR 181.29，182.1217，182.5212，182.8217.
② ADI: MTDI 70mg / kg (BW) (calculated by total phosphorus from various sources, FAO / who, 1994).
Application
Bulking agent, water retention agent, acidity regulator, stabilizer, coagulant, and anti-caking 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; it can be used alone or in combination, and the maximum amount is calculated by phosphate), cream (it can be used alone or in combination, and the maximum amount is calculated by phosphate), water oil fat emulsion products (it can be used alone or in combination, and the maximum amount is calculated by 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 and wet flour products (such as noodles, dumpling skins, wonton skins and roasted wheat 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, with the maximum amount of phosphate), infant formula food (can be used alone or in combination, with the maximum amount of phosphate), infant auxiliary food (can be used alone or in combination, with the maximum amount of phosphate), with the maximum amount of 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 for vegetable fat powder; can be used alone or in combination, the maximum use amount is calculated by phosphate), compound seasonings (can be used alone or in combination, the maximum use amount is calculated by phosphate), the maximum use 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 (can be used alone or in combination, the maximum amount is calculated by phosphate), other grains products (only frozen potato chips, frozen potato cakes, frozen potato mash and frozen sweet potato mash; 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.
This product is used as a fluffing agent and mixed with other additives. FAO / who regulations: it can be used as a stabilizer in dairy products. For light condensed milk, sweet condensed milk, and thin cream, the maximum dosage is 2G / kg. 3G / kg in combination with other stabilizers; For milk powder and dehydrated cream, 5g / kg alone or in combination with other stabilizers (all the above are calculated as anhydrous); Processed cheese is 9g / kg (total phosphate, calculated as total phosphorus).
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