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450146

Sigma-Aldrich

Calcium hydroxide

99.995% trace metals basis

Synonym(s):

Calcium dihydroxide, Carboxide

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$95.30
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$310.65

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Available to ship onApril 29, 2025Details

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5 G
$95.30
25 G
$310.65

About This Item

Linear Formula:
Ca(OH)2
CAS Number:
1305-62-0
Molecular Weight:
74.09
EC Number:
215-137-3
MDL number:
MFCD00010901
UNSPSC Code:
12352302
PubChem Substance ID:
24868536
NACRES:
NA.23
assay:
99.995% trace metals basis
form:
powder

$95.30

Available to ship onApril 29, 2025Details

Request a Bulk Order

Quality Level

100

assay

99.995% trace metals basis

form

powder

impurities

<3% calcium carbonate

density

2.24 g/mL at 25 °C (lit.)

SMILES string

O[Ca]O

InChI

1S/Ca.2H2O/h;2*1H2/q+2;;/p-2

InChI key

AXCZMVOFGPJBDE-UHFFFAOYSA-L

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General description

This strong base dissociates into calcium and hydroxyl ions in an aqueous solution.

Application

Calcium hydroxide may be used for the preparation of nanocrystalline hydroxyapatite by sonochemical technique.[1]Ca(OH)2 may be used as a catayst in the pyrolysis of pinewood in a fixed bed reactor.[2]

pictograms

CorrosionExclamation mark
GHS05,GHS07

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, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV3734
MKCR3537
MKCN2764
MKCF9538
MKBC4261V

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Structural and proton transport studies on nanocrystalline [Ca10 (PO4) 6 (OH) 2](HAp), HAp?Nafion? composite, and natural human bone.
Jena H, et al.
Physica Status Solidi (A): Applied Research, 206(11), 2536-2541 (2009)
Calcium hydroxide: a review.
Farhad A and Mohammadi Z
International Dental Journal, 55(5) (2005)
Pyrolysis of pine wood in a slowly heating fixed-bed reactor: Potassium carbonate versus calcium hydroxide as a catalyst
Wang Z, et al.
Fuel Processing Technology, 91(8), 942-950 (2010)
Caryn S Seney et al.
Chemical research in toxicology, 33(11), 2834-2844 (2020-10-29)
Elemental mercury (Hg0) contamination in artisanal and small-scale gold mining (ASGM) communities is widespread, and Hg0-contaminated tailings are often reprocessed with cyanide (-CN) to extract residual gold remaining after amalgamation. Hg0 reacts with -CN under aerobic conditions to produce Hg(CN)42-
F H van de Sande et al.
Journal of dental research, 92(7 Suppl), 78S-83S (2013-05-22)
This practice-based retrospective study evaluated the survival of resin composite restorations in posterior teeth, focusing on the influence of potential patient risk factors. In total, 306 posterior composite restorations placed in 44 adult patients were investigated after 10 to 18
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