398101

Carbonato de cálcio

ACS reagent, 99.95-100.05% dry basis

• Fórmula linear: CaCO₃
• Número CAS: 471-34-1
• Peso molecular: 100.09
• Beilstein: 8008338
• Número CE: 207-439-9
• Número MDL: MFCD00010906
• Código UNSPSC: 12352300
• ID de substância PubChem: 24864718
• NACRES: NA.21

Propriedades

• grau: ACS reagent
• Nível de qualidade: 200
• Ensaio: 99.95-100.05% dry basis
• Formulário: powder
• Impurezas: ≤0.01% NH₄OH pptd.; ≤0.01% insol. dil. HCl
• pH: 8
• solubilidade: dilute HCl: 6.7%
• densidade: 2.93 g/mL at 25 °C (lit.)
• traços de ânion: chloride (Cl^-): ≤0.001%; fluoride (F^-): ≤0.0015%; sulfate (SO₄^2-): ≤0.005%
• traços de cátion: Ba: ≤0.01%; Fe: ≤0.002%; K: ≤0.01%; Mg: ≤0.01%; NH₄⁺: ≤0.003%; Na: ≤0.01%; Sr: ≤0.1%; heavy metals: ≤0.001% (by ICP)
• cadeia de caracteres SMILES: [Ca++].[O-]C([O-])=O
• InChI: 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• chave InChI: VTYYLEPIZMXCLO-UHFFFAOYSA-L

Descrição

Descrição geral

Calcium carbonate is a calcium salt commonly found in shells and skeleton of marine animals. It is an inexpensive, non-toxic and easily available reagent with a wide range of applications.

Aplicação

Calcium carbonate may be used:

• As a pore generating agent to prepare porous ceramics.
• As chelometric standard for the standardization of EDTA solution.
• To extract aluminium by microwave induced thermal activation of coal fly ash (CFA).

Informações de segurança

• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): nwg
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: dust mask type N95 (US), Eyeshields, Gloves