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12047

Sigma-Aldrich

Calcium oxide

puriss., meets analytical specification of FCC, powder (fine)

Synonym(s):

Lime, Quicklime

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About This Item

Linear Formula:
CaO
CAS Number:
1305-78-8
Molecular Weight:
56.08
EC Number:
215-138-9
MDL number:
MFCD00010911
UNSPSC Code:
12352303
PubChem Substance ID:
329749605
NACRES:
NA.21
form:
powder (fine)
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grade

puriss.

form

powder (fine)

quality

meets analytical specification of FCC

reaction suitability

core: calcium

impurities

≤0.5% insoluble in HCl
≤2.5% Mg and alkali salts (SO4)

loss

≤3.5% loss on ignition

pH

12.6 (20 °C)

bp

2850 °C (lit.)

density

3.3 g/mL at 25 °C (lit.)

anion traces

fluoride (F-): ≤150 mg/kg

cation traces

As: ≤3 mg/kg
Pb: ≤2 mg/kg

storage temp.

−20°C

SMILES string

O=[Ca]

InChI

1S/Ca.O

InChI key

ODINCKMPIJJUCX-UHFFFAOYSA-N

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Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H315,H318,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

does not flash

Flash Point(C)

does not flash

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Calcium oxide as a solid base catalyst for transesterification of soybean oil and its application to biodiesel production.
Kouzu M, et al.
Fuel: The Science and Technology of Fuel and Energy, 87(12), 2798-2806 (2008)
Preparation of biodiesel catalyzed by solid super base of calcium oxide and its refining process.
Huaping ZHU, et al.
Chinese Journal of Catalysis, 27(5), 391-396 (2006)
Sebastião Roberto Soares et al.
Waste management (New York, N.Y.), 33(1), 175-183 (2012-11-06)
The establishment of rules to manage Health Care Waste (HCW) is a challenge for the public sector. Regulatory agencies must ensure the safety of waste management alternatives for two very different profiles of generators: (1) hospitals, which concentrate the production
María Nazaret González-Alcaraz et al.
Journal of environmental management, 116, 72-80 (2013-01-08)
The aim of this study was to identify the effectiveness of liming in combination with vegetation for the recovery of slightly acidic, saline soils of eutrophic wetlands affected by mine wastes, under fluctuating flooding conditions. Simulated soil profiles were constructed
Vasilije Manovic et al.
International journal of environmental research and public health, 7(8), 3129-3140 (2010-10-16)
This paper presents a review of the research on CO(2) capture by lime-based looping cycles undertaken at CanmetENERGY's (Ottawa, Canada) research laboratories. This is a new and very promising technology that may help in mitigation of global warming and climate
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