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1.02047

Supelco

Calcium hydroxide

for analysis EMSURE® ACS,Reag. Ph Eur

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Synonym(s):
Calcium hydroxide
Linear Formula:
Ca(OH)2
CAS Number:
Molecular Weight:
74.09
MDL number:
UNSPSC Code:
12352305
EC Index Number:
215-137-3
NACRES:
NA.21

grade

ACS reagent

Quality Level

agency

reag. Ph. Eur.

product line

EMSURE®

assay

≥96.0% (acidimetric)

form

solid

potency

7340 mg/kg LD50, oral (Rat)

impurities

≤0.03% Substances insoluble in hydrochloric acid

pH

12.6 (20 °C in H2O, saturated solution)

mp

550 °C (decomposition)

solubility

1.7 g/L

density

2.24 g/cm3 at 20 °C

bulk density

400 kg/m3

anion traces

carbonate (CO32-): ≤3.0% (as CaCO3)
chloride (Cl-): ≤0.005%
sulfur compounds (as SO42-): ≤0.1%

cation traces

Fe: ≤0.05%
K: ≤0.05%
Mg: ≤0.5%
Na: ≤0.05%
Sr: ≤0.05%
heavy metals (as Pb): ≤0.003%

storage temp.

2-30°C

InChI

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

InChI key

AXCZMVOFGPJBDE-UHFFFAOYSA-L

Related Categories

Application


  • Synthesis and utilization of polyol-modified high specific surface area Ca(OH)(2): This research explores the enhanced properties of calcium hydroxide when modified for high surface area applications, crucial for environmental and material science applications, particularly in pollution control and advanced material composites. (Yan et al., 2024).

Linkage

Replaces: CX0220; CX0220-1

Analysis Note

Assay (acidimetric): ≥ 96.0 %
Substances insoluble in hydrochloric acid: ≤ 0.03 %
Carbonate (as CaCO₃): ≤ 3.0 %
Chloride (Cl): ≤ 0.005 %
Sulfur compounds (as SO₄): ≤ 0.1 %
Heavy metals (as Pb): ≤ 0.003 %
Fe (Iron): ≤ 0.05 %
K (Potassium): ≤ 0.05 %
Mg (Magnesium): ≤ 0.5 %
Na (Sodium): ≤ 0.05 %
Sr (Strontium): ≤ 0.05 %
Conforms ACS, Reag. Ph. Eur.

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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