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TypeData for August 2026
ChemicalSubstance
A chemical substance is 'a portion of matter of constant composition, composed of molecular entities of the same type or of different types' (source: ChEBI:59999).
Definition from the Schema.org vocabulary (English).
Estimated domains
1K - 10K stable
Ranking position#852 of 5,545
Google eligibleNo
Accepted properties29
Trend over time
Domain tier in each available month.
Properties
Properties this type accepts, including inherited ones.
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PropertySchema typeData typeEnumeration
Properties from ChemicalSubstance
3 properties
Properties from ChemicalSubstance
3 properties
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Properties from BioChemEntity
13 properties
Properties from BioChemEntity
13 properties
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Properties from Thing
13 properties
Properties from Thing
13 properties
- Property
- PropertyExpected type
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Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.