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451711

Sigma-Aldrich

Calciumoxid

anhydrous, powder, ≥99.99% trace metals basis

Synonym(e):

Kalk gebrannt, Ätzkalk

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5 G
€ 455,00

€ 455,00


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5 G
€ 455,00

About This Item

Lineare Formel:
CaO
CAS-Nummer:
Molekulargewicht:
56.08
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352303
PubChem Substanz-ID:
NACRES:
NA.23

€ 455,00


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Qualität

anhydrous

Qualitätsniveau

Assay

≥99.99% trace metals basis

Form

powder

Eignung der Reaktion

reagent type: catalyst
core: calcium

bp

2850 °C (lit.)

Dichte

3.3 g/mL at 25 °C (lit.)

Anwendung(en)

battery manufacturing

SMILES String

O=[Ca]

InChI

1S/Ca.O

InChIKey

ODINCKMPIJJUCX-UHFFFAOYSA-N

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Zubehör

Produkt-Nr.
Beschreibung
Preisangaben

Piktogramme

CorrosionExclamation mark

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Questions

  1. In #451711, 1) Anhydrous CaO means there's "Zero moisture" Calcium Oxides ? 2) the purity 99.99% means there's 0.01% impurities ?

    1 answer
    1. Product 451711 does not have a specification for water content. This is likely because calcium oxide reacts with water to form calcium hydroxide, so water would not be detected. The term "anhydrous" is used more to distinguish this Calcium oxide product (typically approximately 71 percent Calcium by weight) from Calcium hydroxide (typically approximately 54 percent Calcium by weight).
      The purity value of 99.99 percent is on a trace metals basis. That is, Product 451711 contains AT MOST 0.01 percent or 100 ppm of metals other than Calcium.

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