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12010

Sigma-Aldrich

Calcium carbonate

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated, 98.5-100.5% (based on anhydrous substance)

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

puriss.

assay

98.5-100.5% (based on anhydrous substance)

form

powder

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E170
precipitated

impurities

organic volatile impurities, complies
residual solvents, complies
≤0.002% heavy metals (as Pb)
≤0.2% insoluble in acid (CH3COOH)
≤0.2% insoluble in hydrochloric acid
≤1% alkali-, Mg-ions (as SO4)

loss

≤2% loss on drying, 200 °C

pH

8

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤200 mg/kg
fluoride (F-): ≤50 mg/kg
sulfate (SO42-): ≤2000 mg/kg

cation traces

As: ≤2 mg/kg
Ba:, in accordance
Cu: ≤10 mg/kg
Fe: ≤200 mg/kg
Hg: ≤0.5 mg/kg
Pb: ≤3 mg/kg
Zn: ≤10 mg/kg

SMILES string

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

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

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Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Yves F Widmer et al.
eLife, 7 (2018-10-23)
Lasting changes in gene expression are critical for the formation of long-term memories (LTMs), depending on the conserved CrebB transcriptional activator. While requirement of distinct neurons in defined circuits for different learning and memory phases have been studied in detail...
Sophie A Jamal et al.
Lancet (London, England), 382(9900), 1268-1277 (2013-07-23)
Phosphate binders (calcium-based and calcium-free) are recommended to lower serum phosphate and prevent hyperphosphataemia in patients with chronic kidney disease, but their effects on mortality and cardiovascular outcomes are unknown. We aimed to update our meta-analysis on the effect of...
Jane A Cauley et al.
Journal of women's health (2002), 22(11), 915-929 (2013-10-18)
Clinical outcomes of the Women's Health Initiative (WHI) calcium plus vitamin D supplementation trial have been reported during 7.0 years of active intervention. We now report outcomes 4.9 years after the intervention stopped and cumulative findings. Postmenopausal women (N=36,282) were...
M Azizur Rahman et al.
PloS one, 8(3), e58781-e58781 (2013-03-26)
An organic matrix consisting of a protein-polysaccharide complex is generally accepted as an important medium for the calcification process. While the role this "calcified organic matrix" plays in the calcification process has long been appreciated, the complex mixture of proteins...
Polysaccharides and proteoglycans in calcium carbonate-based biomineralization.
José L Arias et al.
Chemical reviews, 108(11), 4475-4482 (2008-07-26)

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