Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Calcium Sulfide

Calcium Sulfide is a substance with a harmonised classification under EU CLP.

CAS 20548-54-3 Warning

01 · Identification

What Calcium Sulfide is

Calcium Sulfide is a substance with a harmonised classification under EU CLP. It melts at 2524 °C.

Under the GHS it carries the signal word Warning.

CAS number20548-54-3
EC number243-873-5
Index number016-004-00-0

Other names for Calcium Sulfide

  • calcium sulphide

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to Calcium Sulfide
CodeHazard statement
H335 May cause respiratory irritation.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H400 Very toxic to aquatic life.

Supplemental EU statements: EUH031

Precautionary statements: P264, P273, P280, P302, P305, P313, P332, P337, P338, P352, P391, P501

03 · Physical and chemical properties

Calcium Sulfide properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Melting point 2524 °C (4575.2 °F) DOE PAC
Density 2.58 g/cm³ at 25 °C DOE PAC

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

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