# chemicalComposition - Schema.org Property

> Source: https://schema.org/chemicalComposition
> Extracted: 2026-02-16T16:09:43.904Z

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A Schema.org Property

*This term is in the "new" area - implementation feedback and adoption from applications and websites can help improve our definitions.*

The chemical composition describes the identity and relative ratio of the chemical elements that make up the substance.

### Values expected to be one of these types

`-   [Text](https://schema.org/Text "Text")`

#### Source

[http://www.bioschemas.org/ChemicalSubstance](http://www.bioschemas.org/ChemicalSubstance)