CAS 471-34-1 Calcium Carbonate Nanoparticles

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Calcium Carbonate Nanoparticles

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Catalog Number

ACM471341-1

CAS Number

471-34-1

Product Name

Calcium Carbonate Nanoparticles

Structure

Category

Ceramic Materials

Synonyms

Nanoscale calcium carbonate

Description

Calcium carbonate appears as white, odorless powder or colorless crystals. Practically insoluble in water. Occurs extensive in rocks world-wide. Ground calcium carbonate (CAS: 1317-65-3) results directly from the mining of limestone. The extraction process keeps the carbonate very close to its original state of purity and delivers a finely ground product either in dry or slurry form. Precipitated calcium carbonate (CAS: 471-34-1) is produced industrially by the decomposition of limestone to calcium oxide followed by subsequent recarbonization or as a by-product of the Solvay process (which is used to make sodium carbonate). Precipitated calcium carbonate is purer than ground calcium carbonate and has different (and tailorable) handling properties.;Limestone is an odorless, white to tan powder.;Limestone (calcium carbonate) that has been recrystallized by metamorphism and is capable of taking a polish. Practically insoluble in water.;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; Liquid; OtherSolid; PelletsLargeCrystals; WetSolid; WetSolid, Liquid; WetSolid, OtherSolid;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, Liquid; DryPowder, WetSolid; Liquid; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals; WetSolid; WetSolid, Liquid; WetSolid, OtherSolid;White crystalline or amorphous, odourless and tasteless powder;WHITE POWDER OR PELLETS.;White, odorless powder or colorless crystals. Calcium carbonate is soluble in concentrated mineral acids.;White, odorless powder or colorless crystals.;Limestone (calcium carbonate) that has been recrystallized by metamorphism and is capable of taking a polish. Practically insoluble in water.;White, odorless powder or colorless crystals.;Odorless, white to tan powder.;Odorless, white powder.

IUPAC Name

calcium carbonate

Molecular Weight

100.09

Molecular Formula

CaCo3

Canonical SMILES

C(=O)([O-])[O-].[Ca+2]

InChI

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

InChI Key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

Boiling Point

Decomposes

Melting Point

825 °C

Purity

99.9 %

Density

2.7 g/cm³

Solubility

Soluble in water

Appearance

Powder

Bulk Density

0.68 g/ml

Chemical Formula

CaCO3

Color/Form

White

Complexity

18.8

Corrosivity

Non-corrosive

Covalently-Bonded Unit Count

EC Number

207-439-9

Exact Mass

99.947335g/mol

Form

Powder

Formal Charge

Heavy Atom Count

ICSC Number

1193

MDL Number

MFCD00010906

MeSH Entry Terms

Aragonite;Calcite;Calcium Carbonate;Calcium Milk;Carbonate, Calcium;Chalk;Limestone;Marble;Milk of Calcium;Vaterite

Monoisotopic Mass

99.947335g/mol

Morphology

cubic or hexagonal

Odor

Odorless

Other Experimental

Bulk density: 40-100 lb/cubic ft; screen analysis: usually 200 to 325 mesh;Very flowable ... surface treated with fatty acids, hydrophobic;Enthalpy of Fusion: 36 kJ/mol at 800 °C (calcite);Incompatibilities: acids, alum, ammonium salts.;Solubility Product constant: 3.36X10-9 at 25 °C;White microcrystalline powder; mw: 100.09; mp: 825 °C (alpha), 1339 °C (beta) at 102.5 atm; density: 2.7-2.95. Odorless, tasteless powder or crystals. /Limestone/;Aragonite is metastable and irreversibly changes to calcite when heated in dry air to about 400 °C. Vaterite is metastable to calcite and aragonite under geological conditions but is found during high temperature precipitation of calcium carbonate.;MP: 1339 °C (102.5 atm); density: 2.7111 at 25.2 °C; formed at temperatures below 30 °C /Calcite/;White hexagonal crystals or powder. Decomposes at 700 to 900 °C. Density: 2.710 g/cu cm. Solubility: 6.6X10-4 g/100 g water at 20 °C; Soluble in dilute acid /Calcite/;Mohs hardness: 3.0 (Calcite); 3.5-4.0 (Argonite);White orthorhombic crystals or powder; MP: trans calcite, 450 °C; density: 2.930 g/cu cm; solubility: 6.6X10-4 g/100 g water at 20 °C; soluble in dilute acid /Argonite/;MP: 825 °C (decomposes); Density: 2.83; Formed at temp above 30 °C /Aragonite/;Colorless hexagonal crystals; density: 2.653 g/cu cm; solubility: 1.1X10-3 g/100 g water at 20 °C; soluble in dilute acid /Vaterite/

Particle Size

15-40 nm

Refractive Index

Index of Refraction: 1.7216 (300 nm); 1.6584 (589 nm); 1.6503 (750 nm) /Calcite/;Index of refraction: 1.5145 (300 nm); 1.4864 (589 nm); 1.4828 (750 nm) /Aragonite/

Rotatable Bond Count

RTECS Number

EV9580000;FF9335000

Stability

Indefinite shelflife.;STABLE IN AIR

True Density

2.93 g/cm³

UNII

H0G9379FGK

Vapor Pressure

0 mm Hg (approx) (NIOSH, 2016);0 mm Hg (approx) (NIOSH, 2016);0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx);approx 0 mmHg;0 mmHg (approx);0 mmHg (approx);0 mmHg (approx)

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

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