Name | calcium hydrogen phosphate dihydrate |
Synonyms | CALCIUM PHOSPH dicalciurn phosphate Calcium Phosphate Dihydrate Calciumhydrogenphosphate,dih dicalcium phosphate dihydrate Calciumhydrogenphosphate,medicinal Calcium hydrogenphosphate dihydrate Calcium phosphate dibasic dihydrate calcium hydrogen phosphate dihydrate Calcium hydrogen phosphate,agricultural Calcium hydrogen phosphate Dihydrate precipitate Calcii hydrogenophosphas dihydricus, Calcium hydrogen phosphate dihydrate |
CAS | 7789-77-7 |
EINECS | 616-542-1 |
InChI | InChI=1/Ca.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+2;;;/p-3 |
InChIKey | XAAHAAMILDNBPS-UHFFFAOYSA-L |
Molecular Formula | CaH5O6P |
Molar Mass | 172.09 |
Density | 2.31 |
Melting Point | 109°C -H₂O |
Water Solubility | Slightly soluble in water. Soluble in dilute hydrochloric, nitric, and acetic acid. Insoluble in alcohol |
Solubility | Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute hydrochloric acid and in dilute nitric acid. |
Appearance | White crystal |
Color | White to almost white |
Storage Condition | Inert atmosphere,Room Temperature |
Stability | Stable. Incompatible with acids. |
Sensitive | Easily absorbing moisture |
MDL | MFCD00149621 |
Physical and Chemical Properties | White monoclinic crystalline powder. Odorless and tasteless. relative density 2.306(16 ℃) solubility: soluble in dilute hydrochloric acid, dilute nitric acid, acetic acid, slightly soluble in water, insoluble in ethanol. |
Use | For fertilizer, feed, medicine, can also be used as food additives, toothpaste, etc Used as auxiliary feed for poultry, can promote feed digestion, but also can treat livestock fistula disease, cartilage disease, anemia and so on |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 1 |
TSCA | Yes |
HS Code | 28352590 |
Raw Materials | Silicon dioxide CALCIUM SULFATE HEMIHYDRATE Phosphoric acid Sulfuric acid Calcium carbonate Calcium carbonate Hydrochloric acid Calcium oxide |
White Crystal or powder. Melting point of 190 deg C; d 2. 31. Soluble in dilute hydrochloric acid and dilute nitric acid, slightly soluble in dilute acetic acid, insoluble in water, ethanol. Two crystals of water are lost at 115-120 °c and calcium pyrophosphate is formed when heated above 400 °c. Low hygroscopicity.
disodium hydrogen phosphate dihydrate and potassium dihydrogen phosphate were dissolved in hot water. In addition, calcium chloride hexahydrate was dissolved in water, and the above two solutions were slowly added dropwise to the aqueous solution of potassium dihydrogen phosphate, suction filtered, and the crystals were washed with phosphoric acid, then washed with acetic acid, and dried to obtain calcium hydrogen phosphate dihydrate.
Analytical reagents. It is used as a calcium supplement in food additives and feed additives.
is irritating. Use should avoid inhalation of dust, avoid contact with the eyes and skin. Store in a cool, ventilated warehouse. Fire, can use water, sand, carbon dioxide fire extinguishing.