# substanceOfConcern

A substance of concern (SoC) contained within the product, typically based on regulatory lists like REACH or RoHS.

## Expected Types

| Type | Description |
|------|-------------|
| [ChemicalSubstance](https://schema.org.ai/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](https://www.ebi.ac.uk/chebi/searchId.do?chebiId=59999)). |
| [DefinedTerm](https://schema.org.ai/DefinedTerm) | A word, name, acronym, phrase, etc. with a formal definition. Often used in the context of category or subject classification, glossaries or dictionaries, product or creative work types, etc. Use the name property for the term being defined, use termCode if the term has an alpha-numeric code allocated, use description to provide the definition of the term. Use the about property to specify what the term is about. |
| [Text](https://schema.org.ai/Text) | Data type: Text. |
| [URL](https://schema.org.ai/URL) | Data type: URL. |

## Used on Types

| Type | Description |
|------|-------------|
| [Product](https://schema.org.ai/Product) | Any offered product or service. For example: a pair of shoes; a concert ticket; the rental of a car; a haircut; or an episode of a TV show streamed online. |

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Copied word for word from Schema.org 30.1, https://schema.org/substanceOfConcern, under CC BY-SA 3.0. Served by the Org.AI Foundation at https://schema.org.ai/substanceOfConcern.