900500
Calcium carbonate
anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99%
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About This Item
Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21
Assay:
≥99%
Grade:
anhydrous
Form:
powder
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grade
anhydrous
Quality Level
product line
ReagentPlus®
Redi-Dri™
Assay
≥99%
form
powder
quality
free-flowing
pH
8
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 is a calcium salt commonly found in shells and skeleton of marine animals.[1] It is an inexpensive, non-toxic and easily available reagent with a wide range of applications such as uptake of CO2 and extraction of heavy metals and arsenic from ground water.[2][3] Its crystals exist as 3 different polymorphs namely, calcite, aragonite, and vaterite.[3] The kinetics of pyrolysis of calcium carbonate under non-isothermal conditions have been investigated.[4]
Application
Calcium carbonate may be used:
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Kinetics of calcium carbonate decomposition.
Rao TR.
Chemical Engineering & Technology, 19(4), 373-377 (1996)
Polymorphs calcium carbonate on temperature reaction.
Chong KY, et al.
AIP Conference Proceedings, 1614(1) (2014)
Opposite particle size effect on amorphous calcium carbonate crystallization in water and during heating in air.
Zou Z, et al.
Chemistry of Materials, 27(12), 4237-4246 (2015)
Permeability of porous ceramic based on calcium carbonate as pore generating agent.
Sim?o L, et al.
Ceramics International, 41(3), 4782-4788 (2015)
Kanwaljit Kaur
Handbook of Water and Wastewater Analysis, 247-248 (2007)
Articles
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
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