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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:
EC Index Number:
215-137-3

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

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This Item
2392321.021191.02111
Calcium hydroxide for analysis EMSURE® ACS,Reag. Ph Eur

1.02047

Calcium hydroxide

-
Calcium hydroxide ACS reagent, ≥95.0%

239232

Calcium hydroxide

Essential Grade
Calcium hydroxide precipitated (≤ 0.0005% Al), EMPROVE® ESSENTIAL, USP, FCC, E 526

1.02119

Calcium hydroxide

-
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions

1.02111

Calcium hydroxide

-
solubility

1.7 g/L

solubility

-

solubility

1.7 g/L

solubility

1.7 g/L

assay

≥96.0% (acidimetric)

assay

≥95.0%

assay

-

assay

-

Quality Level

300

Quality Level

200

Quality Level

500

Quality Level

100

grade

ACS reagent

grade

ACS reagent

grade

-

grade

analytical standard

impurities

≤0.03% Substances insoluble in hydrochloric acid

impurities

≤0.03% insol. in HCl, ≤0.1% S compounds, ≤3.0% calcium carbonate

impurities

-

impurities

-

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

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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