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1.02109

Supelco

Calcium oxide from marble

small lumps ~3-20 mm

Synonym(s):

Calcium oxide from marble, Lime, caustic, Quicklime

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About This Item

Empirical Formula (Hill Notation):
CaO
CAS Number:
Molecular Weight:
56.08
MDL number:
UNSPSC Code:
12352303
EC Index Number:
215-138-9
NACRES:
NB.21

Quality Level

assay

≥95.0% (complexometric)

form

solid

impurities

≤0.1% Substances insoluble in hydrochloric acid

pH

12.6 (20 °C in H2O, saturated solution)

bp

2850 °C/100 mbar

mp

2580 °C

density

3.37 g/cm3 at 20 °C

bulk density

800‑1200 kg/m3

anion traces

chloride (Cl-): ≤500 ppm
sulfate (SO42-): ≤5000 ppm

cation traces

heavy metals (as Pb): ≤50 ppm

storage temp.

no temp limit

InChI

1S/Ca.O

InChI key

ODINCKMPIJJUCX-UHFFFAOYSA-N

Analysis Note

Assay (complexometric): ≥ 95.0 %
Substances insoluble in hydrochloric acid: ≤ 0.1 %
Chloride (Cl): ≤ 500 ppm
Sulfate (SO₄): ≤ 5000 ppm
Heavy metals (as Pb): ≤ 50 ppm

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


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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