## Concept information

### PREFERRED TERM

2-methylstyrene mass concentration

### DEFINITION

- Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for 2-methylstyrene is C9H10. 2-methylstyrene is a member of the group of hydrocarbons known as aromatics. The IUPAC name for 2-methylstyrene is 1-ethenyl-2-methylbenzene.

### BROADER CONCEPT

### OBSERVATION MATRIX

### OBJECT OF INTEREST

### OBSERVED PROPERTY

### URI

https://vocabulary.actris.nilu.no/actris_vocab/2-methylstyrenemassconcentration

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