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1.02047

Supelco

Calcium hydroxide

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Calcium hydroxide

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About This Item

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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