CAS #:

Linear Formula:

Ca(H2PO4)2• H2O

MDL Number:


EC No.:



(2N) 99% Calcium Phosphate Monobasic Monohydrate
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(3N) 99.9% Calcium Phosphate Monobasic Monohydrate
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(4N) 99.99% Calcium Phosphate Monobasic Monohydrate
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(5N) 99.999% Calcium Phosphate Monobasic Monohydrate
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Calcium Phosphate Monobasic Monohydrate Properties (Theoretical)

Compound Formula CaH6O9P2
Molecular Weight 252.07
Appearance White crystalline powder
Melting Point 200 °C
Boiling Point N/A
Density 2.22 g/cm3
Solubility in H2O 2g/100ml
Exact Mass 251.911296
Monoisotopic Mass 251.911296

Calcium Phosphate Monobasic Monohydrate Health & Safety Information

Signal Word Warning
Hazard Statements H315-H319-H335
Hazard Codes Xi
Risk Codes 36/37/38
Safety Statements 26
RTECS Number TB8530000
Transport Information N/A
WGK Germany 2

About Calcium Phosphate Monobasic Monohydrate

High purity Calcium Phosphate Monobasic MonohydrateCalcium Phosphate Monobasic Monohydrate is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Calcium Phosphate Monobasic Monohydrate Synonyms

Calcium dihydrogenphosphate monohydrate; Calcium dihydrogen phosphate hydrate (1:2:1); Calcium tetrahydrogen diphosphate; Calcium bis(dihydrogenphosphate) monohydrate, Primary calcium phosphate monohydrate; Calcium biphosphate monohydrate; Phosphoric acid, calcium salt, hydrate (2:1:1); CAS 25232-60-4; CAS 7758-23-8

Chemical Identifiers

Linear Formula Ca(H2PO4)2• H2O
MDL Number MFCD00149602
EC No. 231-837-1
Beilstein/Reaxys No. N/A
Pubchem CID 10198893
IUPAC Name calcium; dihydrogen phosphate; hydrate
SMILES [Ca+2].O=P([O-])(O)O.[O-]P(=O)(O)O.O
InchI Identifier InChI=1S/Ca.2H3O4P.H2O/c;2*1-5(2,3)4;/h;2*(H3,1,2,3,4);1H2/q+2;;;/p-2

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


See more Calcium products. Calcium (atomic symbol: Ca, atomic number: 20) is a Block S, Group 2, Period 4 element with an atomic weight of 40.078. The number of electrons in each of Calcium's shells is [2, 8, 8, 2] and its electron configuration is [Ar]4s2. Calcium Bohr ModelThe calcium atom has a radius of 197 pm and a Van der Waals radius of 231 pm. Calcium was discovered and first isolated by Sir Humphrey Davy in 1808. It is the fifth most abundant element in the earth's crust and can be found in minerals such as dolomite, gypsum, plagioclases, amphiboles, pyroxenes and garnets. In its elemental form, calcium has a dull gray-silver appearance. Calcium is a reactive, soft metal that is a member of the alkaline earth elements. Elemental CalciumIt frequently serves as an alloying agent for other metals like aluminum and beryllium, and industrial materials like cement and mortar are composed of calcium compounds like calcium carbonate. It is also an biologically essential substance found in teeth, bones, and shells. The name "calcium" originates from the Latin word "calics," meaning lime.


Phosphorus Bohr ModelSee more Phosphorus products. Phosphorus (atomic symbol: P, atomic number: 15) is a Block P, Group 15, Period 3 element. The number of electrons in each of Phosphorus's shells is 2, 8, 5 and its electronic configuration is [Ne] 3s2 3p3. The phosphorus atom has a radius of and its Van der Waals radius is Phosphorus is a highly-reactive non-metallic element (sometimes considered a metalloid) with two primary allotropes, white phosphorus and red phosphorus its black flaky appearance is similar to graphitic carbon. Compound forms of phosphorus include phosphates and phosphides. Phosphorous was first recognized as an element by Hennig Brand in 1669 its name (phosphorus mirabilis, or "bearer of light") was inspired from the brilliant glow emitted by its distillation.


December 02, 2021
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