31219
Calcium hydroxide
puriss. p.a., reag. Ph. Eur., ≥96%
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About This Item
Linear Formula:
Ca(OH)2
CAS Number:
Molecular Weight:
74.09
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352305
EC Number:
215-137-3
MDL number:
Assay:
≥96%
Form:
powder
Quality Level
agency
USP/NF, reag. Ph. Eur.
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
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.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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The colorimetric determination of lactic acid in biological material.
Barker SB and Summerson WH.
The Journal of Biological Chemistry, 138(2), 535-554 (1941)
Tronstad L, et al.
Journal of Endodontics, 7(1), 17-21 (1981)
The antibacterial effect of camphorated paramonochlorophenol, camphorated phenol and calcium hydroxide in the treatment of infected root canals.
A Bystrom et al.
Endodontics & dental traumatology, 1(5), 170-175 (1985-10-01)