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Merck
모든 사진(1)

주요 문서

256501

Sigma-Aldrich

Calcium carbonate

ACS reagent, ≥99.0%, low in alkalies

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About This Item

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
EC Number:
MDL number:
UNSPSC 코드:
12352300
PubChem Substance ID:

Grade

ACS reagent

분석

≥99.0%

불순물

≤0.01% NH4OH pptd.
≤0.01% insol. dil. HCl

density

2.93 g/mL at 25 °C (lit.)

음이온 미량물

chloride (Cl-): ≤0.001%
fluoride (F-): ≤0.0015%
sulfate (SO42-): ≤0.005%

양이온 미량물

Ba: ≤0.01%
Fe: ≤0.002%
K: ≤0.01%
Mg: ≤0.01%
NH4+: ≤0.003%
Na: ≤0.01%
Sr: ≤0.1%
heavy metals (as Pb): ≤0.001%

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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기타 정보

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


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문서 라이브러리 방문

From quarry to temple.
Heather Pringle
Science (New York, N.Y.), 340(6134), 805-805 (2013-05-21)
Johannes Ihli et al.
Chemical communications (Cambridge, England), 49(30), 3134-3136 (2013-03-13)
A simple synthetic method is presented for the precipitation of high purity, dry amorphous calcium carbonate (ACC) based on freeze-drying saturated, counter ion free CaCO3 solutions, where the ACC produced shows an extended atmospheric stability. Translation of the methodology to
Guoqing Zhang et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2046-2049 (2013-03-19)
The polymorphic phase transformation of thermally treated pearl powder was investigated by X-ray diffraction and thermoanalytical techniques. The phase transformation was based on quantification of the calcite content at various temperatures using Rietveld refinement analysis. The results show that the
Yufei Ma et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2413-2420 (2013-03-19)
We report an interesting finding of calcium carbonate (CaCO3) crystal growth in the silk fibroin (SF) hydrogel with different concentrations by a simple ion diffusion method. The experimental results indicate that the CaCO3 crystals obtained from silk fibroin gels with
Carlos H Larramendi et al.
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 110(5), 335-339 (2013-04-30)
Nondietary exposure to milk proteins may be a risk for children who do not outgrow milk allergy by school age. To study the allergenicity of casein containing chalk. A 6-year-old, milk allergic child developed asthma and rhinoconjunctivitis while in school.

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