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Sulfates and sulfur salts

Oldhamite

Also known as sulfanylidenecalcium, Calcium sulfide, luminous, Calcium sulfide, -325 mesh, >=99.9% trace metals basis

CAS 12015-71-3Formula CaSMolar mass 72.15 g/molEC 243-873-5
1 supplier listed
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Oldhamite chemical structure, CaS, CAS 12015-71-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12015-71-3
Formula
CaS
Molar mass
72.15 g/mol
EC number
243-873-5
HS code
283090
Category
Sulfates and sulfur salts

What is Oldhamite?

Plain description, key identifiers and synonyms

Oldhamite is a chemical substance with the molecular formula CaS and a molar mass of 72.15 g/mol. Its CAS registry number is 12015-71-3. The IUPAC name is sulfanylidenecalcium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sulfanylidenecalcium
CAS number
12015-71-3Other or deprecated CAS: 20548-54-3
EC number
243-873-5
Molecular formula
CaS
UNII
1MBW07J51Q
InChIKey
JGIATAMCQXIDNZ-UHFFFAOYSA-N
InChI
InChI=1S/Ca.S
SMILES (canonical and isomeric)
S=[Ca]

Synonyms

  • sulfanylidenecalcium
  • Calcium sulfide, luminous
  • Calcium sulfide, -325 mesh, >=99.9% trace metals basis

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
72.15 g/molcalc.
Exact mass
71.9347 Dacalc.
LogP (octanol/water)
0.27calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Oldhamite suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Ereztech
    United States, SaukvilleUnclaimed profile
    OldhamiteGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

1 supplier in 1 country

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Oldhamite price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Oldhamite is traded under.

HS 2830.90Indicative HS code

Sulphides, polysulphides, whether or not chemically defined, other

World exports in 2024
$382M
+2.0% vs 2023, imports $246M
2019 to 2024
Top exporters
  1. Austria33.1%
  2. Philippines31.4%
  3. Germany9.1%
Top importers
  1. Germany12.7%
  2. South Korea11.7%
  3. China10.7%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Oldhamite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Oldhamite, based on the data on this page

What is Oldhamite?

Oldhamite is a chemical substance with the molecular formula CaS and a molar mass of 72.15 g/mol. Its CAS registry number is 12015-71-3. The IUPAC name is sulfanylidenecalcium.

What is the CAS number of Oldhamite?

The CAS registry number of Oldhamite is 12015-71-3. Other or deprecated CAS numbers: 20548-54-3.

What is the molecular formula and weight of Oldhamite?

The molecular formula of Oldhamite is CaS and its molar mass is 72.15 g/mol.

Is Oldhamite hazardous?

No GHS hazard classification for Oldhamite is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Oldhamite?

Oldhamite is usually classified under HS code 283090 (Sulphides, polysulphides, whether or not chemically defined, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oldhamite?

CompoundList lists 1 supplier of Oldhamite in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Oldhamite?

Suppliers quote Oldhamite on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Oldhamite

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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