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Sigma-Aldrich

Calcium oxide

ReagentPlus®, 99.9% trace metals basis

Synonym(s):

Lime, Quicklime

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About This Item

Linear Formula:
CaO
CAS Number:
Molecular Weight:
56.08
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

Quality Level

product line

ReagentPlus®

assay

99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: calcium

loss

10.0% loss on ignition, 1000°C (absorbed H2O and CO2)

bp

2850 °C (lit.)

density

3.3 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

O=[Ca]

InChI

1S/Ca.O

InChI key

ODINCKMPIJJUCX-UHFFFAOYSA-N

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General description

Units are 10% in excess of stated weight to compensate for the loss of H2O and CO2

Application


  • Calcium oxide as a promising heterogeneous catalyst for biodiesel production: Current state and perspectives: Discusses the use of calcium oxide derived from natural sources like limestone, seashells, and eggshells as an effective catalyst in biodiesel production (Marinković et al., 2016).


Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, 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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Marco Faustini et al.
Nanoscale, 5(3), 984-990 (2012-12-19)
We report the simple preparation of ultra-thin self-assembled nanoperforated titanium calcium oxide films and their use as reactive nanomasks for selective dry etching of silicon. This novel reactive nanomask is composed of TiO(2) in which up to 50% of Ti
E Belon et al.
The Science of the total environment, 439, 87-95 (2012-10-16)
The inputs of ten trace elements (As, Cd, Cu, Cr, Hg, Mo, Ni, Pb, Se, Zn) to French agricultural soils have been assessed. The six main sources considered were: pesticides, mineral fertilizers, animal manure, liming materials, sludge and composts and
Mohammad Mahdi Najafpour et al.
Dalton transactions (Cambridge, England : 2003), 42(14), 5085-5091 (2013-02-12)
Inspired by Nature's catalyst, a nano-size layered manganese-calcium oxide showed a low overvoltage for water oxidation in acidic solutions, which is comparable to platinum.
Mahsa Naghshineh et al.
Food chemistry, 136(2), 472-478 (2012-11-06)
The application of high hydrostatic pressure technology for enzymatic extraction of pectin was evaluated. Cellulase and xylanase under five different combinations (cellulase/xylanase: 50/0, 50/25, 50/50, 25/50, and 0/50 U/g lime peel) at ambient pressure, 100 and 200 MPa were used
Vasilije Manovic et al.
Environmental science & technology, 46(22), 12720-12725 (2012-10-24)
This paper presents a novel method for reactivation of spent CaO-based sorbents from calcium looping (CaL) cycles for CO(2) capture. A spent Cadomin limestone-derived sorbent sample from a pilot-scale fluidized bed (FBC) CaL reactor is used for reactivation. The calcined

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