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12038

Sigma-Aldrich

Calcium hydroxide

puriss., meets analytical specification of Ph. Eur., USP, FCC, 95-100.5% (complexometric)

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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:
12352305
PubChem Substance ID:
329749601
NACRES:
NA.21
form:
powder
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grade

puriss.

Assay

95-100.5% (complexometric)

form

powder

quality

meets analytical specification of Ph. Eur., USP, FCC

impurities

≤0.2% insoluble in hydrochloric acid
≤2.5% subst. not precip. by ammonium oxalate (as SO4)

pH

12.4-12.6 (20 °C)

density

2.24 g/mL at 25 °C (lit.)

anion traces

fluoride (F-): ≤50 mg/kg

cation traces

As: ≤3 mg/kg
Cu: ≤10 mg/kg
Fe: ≤1000 mg/kg
Pb: ≤2 mg/kg
Zn: ≤10 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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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

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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
Lidan Ye et al.
Bioresource technology, 132, 38-44 (2013-02-13)
Cost-effective production of optically pure lactic acid from lignocellulose sugars is commercially attractive but challenging. Bacillus coagulans C106 was isolated from environment and used to produce l-lactic acid from xylose at 50°C and pH 6.0 in mineral salts medium containing
C Sathorn et al.
International endodontic journal, 40(1), 2-10 (2007-01-11)
To determine to what extent does calcium hydroxide intracanal medication eliminate bacteria from human root canals, compared with the same canals before medication, as measured by the number of positive cultures, in patients undergoing root canal treatment for apical periodontitis
Sanaa Chala et al.
Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics, 112(4), e36-e42 (2011-07-23)
The aim of this study was to conduct a quantitative systematic review, including published data, comparing the efficacy of mineral trioxide aggregate and calcium hydroxide as material used for the endodontic management of immature teeth. Relevant studies published through November
G H Yassen et al.
International endodontic journal, 46(2), 112-118 (2012-09-14)
The aim of this review was to identify and analyse all studies related to the effect of nonsetting calcium hydroxide [Ca(OH)(2)] on root fracture and various mechanical properties of radicular dentine. A PubMed search was conducted using the keywords 'calcium
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