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04231

Sigma-Aldrich

Calcium phosphate dibasic dihydrate

puriss., meets analytical specification of Ph. Eur., BP, USP, 98-102.5%

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Synonym(s):
Calcium hydrogen phosphate dihydrate
Linear Formula:
CaHPO4 · 2H2O
CAS Number:
7789-77-7
Molecular Weight:
172.09
EC Number:
231-826-1
MDL number:
MFCD00149621
UNSPSC Code:
51101500
PubChem Substance ID:
329747896
NACRES:
NA.21

grade

puriss.

Quality Level

200

Assay

98-102.5%

form

powder

quality

meets analytical specification of Ph. Eur., BP, USP

impurities

organic volatile impurities, complies
 residual solvents, complies
≤0.003% heavy metals (as Pb)
≤0.1% insoluble in HCl

loss

24.5-26.5% loss on ignition, 800 °C

anion traces

carbonate (CO32-): in accordance
chloride (Cl-): ≤200 mg/kg
fluoride (F-): ≤50 mg/kg
sulfate (SO42-): ≤3000 mg/kg

cation traces

As: ≤1 mg/kg
Ba:, in accordance (Ph Eur)
Ba:, in accordance (USP)
Fe: ≤300 mg/kg

SMILES string

O.O.[Ca++].OP([O-])([O-])=O

InChI

1S/Ca.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+2;;;/p-2

InChI key

XAAHAAMILDNBPS-UHFFFAOYSA-L

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  • Mechanochemical Synthesis of Cerium Chlorapatite from a Mixture of Cerium Chloride Heptahydrate, Dicalcium Phosphate Dihydrate, and Calcium Hydroxide for Biomedical Application: Focuses on the innovative production of cerium chlorapatite using dicalcium phosphate dihydrate, showcasing its potential in biomedical engineering, especially in drug delivery and tissue engineering. (Otsuka et al., 2024).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Moreton, R. C.
Chemical & Pharmaceutical Bulletin, 868-870 (1996)
J M Lausier et al.
Journal of pharmaceutical sciences, 66(11), 1636-1637 (1977-11-01)
The aging of direct compression tablets made using dibasic calcium phosphate dihydrate as the tablet matrix was investigated over 16 weeks. The formula included 6% amaranth as a dye tracer. Two sets of stress storage conditions were used: 25 degrees
Guiling Zhang et al.
Journal of inorganic biochemistry, 113, 1-8 (2012-06-13)
Bisphosphonates (BPs) are a class of synthetic pyrophosphate analogs that can prevent the loss of bone mass, given orally to treat postmenopuasal osteoporosis. It is not clear yet if the benefits of BPs include the possibility of affecting bone apatitic
Shinji Morimoto et al.
Biomedical materials (Bristol, England), 7(4), 045020-045020 (2012-06-29)
The present study was designed to investigate the extent to which calcium phosphate bone substitute materials, including osteoconductive octacalcium phosphate (OCP), display cytotoxic and inflammatory responses based on their dissolution in vitro. Hydroxyapatite (HA) and β-tricalcium phosphate (β-TCP) ceramics, which
Sarsvatkumar Patel et al.
International journal of pharmaceutics, 389(1-2), 66-73 (2010-01-20)
This work proposed to study the influence of varying compaction pressure on the plastic energy, elasticity (Young's modulus), particle yield strength, strain hardening, and applied pressures on derived Heckel parameter using material with different densification and deformation mechanisms: ibuprofen (IBN)
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