Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

450146

Sigma-Aldrich

Calcium hydroxide

99.995% trace metals basis

Synonym(s):

Calcium dihydroxide, Carboxide

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

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

Looking for similar products? Visit Product Comparison Guide

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.Ca(OH)2 may be used as a catayst in the pyrolysis of pinewood in a fixed bed reactor.

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

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCN2764
MKCF9538
MKBC4261V
MKBC4261
MKBB6371

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Calcium hydroxide: a review.
Farhad A and Mohammadi Z
International Dental Journal, 55(5) (2005)
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)
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)
Lisbet Mailin López González et al.
Bioresource technology, 131, 250-257 (2013-01-29)
Different pre-treatment severities by thermo-alkaline conditions (100°C, Ca(OH)2) on press mud were evaluated for different pre-treatment time and lime loading. COD solubilization and the methane yield enhancement were assessed. The biochemical methane potential was determined in batch assays under mesophilic
T J Hilton et al.
Journal of dental research, 92(7 Suppl), 16S-22S (2013-05-22)
This practice-based, randomized clinical trial evaluated and compared the success of direct pulp capping in permanent teeth with MTA (mineral trioxide aggregate) or CaOH (calcium hydroxide). Thirty-five practices in Northwest PRECEDENT were randomized to perform direct pulp caps with either
View All Related Papers

Articles

Perovskite-Type Oxide Materials

Thermoelectric Performance of Perovskite-type Oxide Materials

Thermoelectric Performance of Perovskite-type Oxide Materials

The prevailing strategies for heat and electric-power production that rely on fossil and fission fuels are having a negative impact on the environment and on our living conditions.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service