MilliporeSigma
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31219

Sigma-Aldrich

Calcium hydroxide

puriss. p.a., reag. Ph. Eur., ≥96%

Linear Formula:
Ca(OH)2
CAS Number:
Molecular Weight:
74.09
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Agency

USP/NF
reag. Ph. Eur.

Quality Level

grade

puriss. p.a.

assay

≥96%

form

powder

impurities

≤0.03% insoluble in hydrochloric acid
≤3% CaCO3

pH

12.4-12.6 (20 °C)

density

2.24 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Cu: ≤5 mg/kg
Fe: ≤500 mg/kg
Pb: ≤2 mg/kg
Zn: ≤5 mg/kg

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

Calcium hydroxide is a calcium salt. It is employed in various pulp-capping agents and its influence on healthy and inflamed pulp has been described. Its antibacterial effects have been investigated. It has been employed in endodontic treatment.

Packaging

100, 500 g in poly bottle
1 kg in poly bottle

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

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

Certificate of Analysis

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Certificate of Origin

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