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Sigma-Aldrich

Calcium methoxide

97%

Synonym(s):

Calcium dimethoxide

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About This Item

Linear Formula:
Ca(OCH3)2
CAS Number:
2556-53-8
Molecular Weight:
102.15
EC Number:
219-873-6
MDL number:
MFCD00058816
UNSPSC Code:
12352103
PubChem Substance ID:
24868191
NACRES:
NA.23

assay

97%

form

solid
solid

reaction suitability

core: calcium

mp

>385 °C (lit.)

SMILES string

CO[Ca]OC

InChI

1S/2CH3O.Ca/c2*1-2;/h2*1H3;/q2*-1;+2

InChI key

AMJQWGIYCROUQF-UHFFFAOYSA-N

General description

Calcium methoxide is an alkaline earth metal compound that can be used as a calcium catalyst. It is a solid base catalyst that shows excellent catalytic activity and stability. It can be synthesized by reacting calcined calcium carbonate with methanol reflux under a nitrogen flow.

Application

Calcium methoxide can be used as a catalyst in the transesterification of oil to produce biodiesel.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, 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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Rapeseed oil methyl esters preparation using heterogeneous catalysts
Gryglewicz S
Bioresource Technology, 70(3), 249-253 (1999)
Calcium methoxide as a solid base catalyst for the transesterification of soybean oil to biodiesel with methanol
Liu X, et al.
Fuel: The Science and Technology of Fuel and Energy, 87(7), 1076-1082 (2008)
Synthesis and kinetics of biodiesel formation via calcium methoxide base catalyzed transesterification reaction in the absence and presence of ultrasound
Deshmane, Vishwanath Ganpat and Adewuyi, Yusuf Gbadebo
Fuel: The Science and Technology of Fuel and Energy, 107(7), 474-482 (2013)
Transesterification of Nannochloropsis oculata microalga's oil to biodiesel using calcium methoxide catalyst
Teo SH, et al.
Energy, 78(7), 63-71 (2014)

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