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Merck
CN

21120

Calcium citrate tribasic tetrahydrate

≥98.0% (calc. on dry substance, KT)

Synonym(s):

Citric acid calcium salt, Tricalcium dicitrate

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About This Item

Linear Formula:
Ca3(C6H5O7)2 · 4H2O
CAS Number:
5785-44-4
Molecular Weight:
570.49
UNSPSC Code:
23151817
NACRES:
NA.21
PubChem Substance ID:
329752082
EC Number:
212-391-7
Beilstein/REAXYS Number:
3924520
MDL number:
MFCD00150786
Assay:
≥98.0% (calc. on dry substance, KT)
Form:
powder

Key Documents

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InChI key

LNIZKKFWMDARJV-UHFFFAOYSA-H

InChI

1S/2C6H8O7.3Ca.4H2O/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;4*1H2/q;;3*+2;;;;/p-6

SMILES string

O.O.O.O.OC1(CC(=O)O[Ca]OC(=O)C1)C(=O)O[Ca]OC(=O)C2(O)CC(=O)O[Ca]OC(=O)C2

assay

≥98.0% (calc. on dry substance, KT)

form

powder

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤150 mg/kg

cation traces

Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Na: ≤200 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

Quality Level

100

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6294
BCCM8183
BCCL6145
BCCJ4822
BCCH0202

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J Christopher Gallagher et al.
The Journal of clinical endocrinology and metabolism, 97(10), 3550-3556 (2012-08-03)
Vitamin D is often recommended for use with calcium supplements to increase absorption. There are no systematic studies of vitamin D on calcium absorption that indicate what dose should be recommended. Our objective was to study the effect of increasing
Jochen Klaus et al.
Journal of gastrointestinal and liver diseases : JGLD, 20(2), 141-148 (2011-07-05)
Osteoporosis commonly afflicts Crohn's disease (CD) patients. Management remains unclear, with limited results for intravenous (i.v.) bisphosphonates and a follow-up longer than one year. Intravenous bisphosphonates bypass gastrointestinal-tract irritation offering an interesting alternative suitable for CD patients. We tested the
PPIs and fracture risk.
The Medical letter on drugs and therapeutics, 55(1410), 15-16 (2013-03-06)
Wei Wang et al.
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 21(2), 456-465 (2012-03-22)
The aim of the study was to test whether calcium citrate combined with rhBMP-2 was able to enhance bone regeneration compared with a matrix containing only rhBMP-2. In each of experimental mice, one cylinder of calcium citrate-rhBMP-2 or rhBMP-2 alone
Barbara Dolinska et al.
Biological trace element research, 142(3), 456-464 (2010-09-03)
An in vitro model was used to simulate the intestinal permeation of calcium ions depending on the type of salt (carbonate, fumarate, citrate, or gluconate), its concentration (1.0, 2.5, 5.0, or 10 mM/l), and pH (1.3, 4.2, 6.2, or 7.5). To
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