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310034

Sigma-Aldrich

Calcium carbonate

powder, ≤50 μm particle size, 98%

Synonym(s):

Calcite, Calcium monocarbonate, Monocalcium carbonate

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About This Item

Linear Formula:
CaCO3
CAS Number:
471-34-1
Molecular Weight:
100.09
Beilstein/REAXYS Number:
8008338
EC Number:
207-439-9
MDL number:
MFCD00010906
UNSPSC Code:
12352302
PubChem Substance ID:
24858766
NACRES:
NA.23

Quality Level

100

assay

98%

form

powder

particle size

≤50 μm

solubility

H2O: insoluble

density

2.93 g/mL at 25 °C (lit.)

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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General description

Calcium Carbonate (CaCO3) is a naturally found material in chalk, limestone, and marble. It is composed of three elements which include carbon, oxygen, and calcium. It is formed by reacting carbon dioxide with slaked or burnt lime. It can be used for a variety of applications ranging from industrial, food to agriculture.

Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Calcium Carbonate (AS) United States Pharmacopeia (USP) Reference Standard

USP

1086403

Calcium Carbonate (AS)

Calcium carbonate ≥99.995% trace metals basis

Sigma-Aldrich

202932

Calcium carbonate

Calcium carbonate precipitated for analysis EMSURE® Reag. Ph Eur

Supelco

1.02066

Calcium carbonate

Limestone NIST® SRM® 1d, argillaceous

NIST1D

Limestone

Calcium carbonate anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99%

Sigma-Aldrich

900500

Calcium carbonate

Calcium carbonate 99.95 Suprapur®

Supelco

1.02059

Calcium carbonate

Calcium carbonate: from the Cretaceous period into the 21st century (2001)
Fei Wang et al.
Environmental science & technology, 49(9), 5672-5680 (2015-04-09)
The mineralization of perfluorinated alkyl substances (PFASs) by calcium compounds during the waste thermal treatment was systemically studied. Different calcium compounds showed different mineralization efficiencies of PFASs during the thermal process, owing to the different reaction mechanisms. Calcium hydroxide was
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
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
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
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