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Merck
CN

12038

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
NACRES:
NA.21
PubChem Substance ID:
329749601
UNSPSC Code:
12352305
EC Number:
215-137-3
MDL number:
MFCD00010901
Assay:
95-100.5% (complexometric)
Form:
powder

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InChI key

AXCZMVOFGPJBDE-UHFFFAOYSA-L

InChI

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

SMILES string

O[Ca]O

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

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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

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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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
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
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
Nikte Gómez-Ortíz et al.
ACS applied materials & interfaces, 5(5), 1556-1565 (2013-01-26)
The presence and deteriorating action of microbial biofilms on historic stone buildings have received considerable attention in the past few years. Among microorganisms, fungi are one of the most damaging groups. In the present work, antimicrobial surfaces were prepared using
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