二水磷酸氢钙

Description

Dicalcium phosphate dihydrate · CAS 7789-77-7 · CaH5O6P. UNII O7TSZ97GEP. Density: 2.89 @25 °C.

Identification

CAS Registry Number	7789-77-7
PubChem CID	104805
Molecular formula	CaH5O6P
IUPAC name	calcium;hydrogen phosphate;dihydrate
UNII (FDA)	O7TSZ97GEP

Computed Descriptors

Molecular Weight	172.09
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	0
Exact Mass	171.9449657
Monoisotopic Mass	171.9449657
Topological Polar Surface Area	85.4
Heavy Atom Count	8
Formal Charge	0
Complexity	46.5

Physical & Chemical Properties

Density	2.89 @25 °C

Physical description & handling notes

• Calcium phosphate reacts with acid in the stomach to raise the pH. In toothpaste it provides a source of calcium and phosphate ions to support remineralization of the teeth. As a supplement it provides a source of calcium and phospate, both of which are important ions in bone homeostasis.

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Dicalcium Phosphate Dihydrate) -> CIR (Cosmetic Ingredient Review)

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (100%)

Documented Uses

• CIR ingredient: Dicalcium Phosphate Dihydrate
• Information on 2 consumer products that contain Dicalcium phosphate dihydrate in the following categories is provided:
• For use as an over the counter calcium and phosphate supplement, antacid, or a source of calcium and phosphate in toothpaste.
• Dicalcium Phosphate Dihydrate (Class: Other Substances, Added Date: 06-2014)

Synonyms

brushite; 14567-92-1; Brushite (Ca(HPO4).2H2O); RefChem:54997; 626-863-9; 7789-77-7; calcium hydrogenphosphate dihydrate; Calcium hydrogen phosphate dihydrate; Dicalcium phosphate dihydrate; Aksepillen; Eunova; Calcium monohydrogen phosphate dihydrate; Calcium phosphate, dibasic, dihydrate; D.C.P.; UNII-O7TSZ97GEP; Dibasic calcium phosphate dihydrate

Frequently Asked Questions

What are the CAS number and molecular formula of Dicalcium phosphate dihydrate?

CAS 7789-77-7; molecular formula CaH5O6P; molecular weight — g/mol.

What other names is Dicalcium phosphate dihydrate known by?

brushite, 14567-92-1, Brushite (Ca(HPO4).2H2O), RefChem:54997, 626-863-9, 7789-77-7.

What is the regulatory status of Dicalcium phosphate dihydrate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Dicalcium Phosphate Dihydrate) -> CIR (Cosmetic Ingredient Review).

Is Dicalcium phosphate dihydrate classified as hazardous?

Hazard statements reported: H315, H319, H335.

What are the key physical properties of Dicalcium phosphate dihydrate?

Density: 2.89 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.