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Medium concernFragrance

Tonalide

Endocrine disruptorEnvironmental persistence

What it is

A polycyclic synthetic musk similar in structure and use to galaxolide.

What it does

Provides musky fragrance notes in cosmetics, soap, and laundry products.

Why it’s a concern

Classified as very persistent and very bioaccumulative by the Nordic Council assessments. Present in human fat and milk samples and in surface waters worldwide. In vitro assays suggest weak estrogenic and antiandrogenic activity.

Also known as

AHTN6-acetyl-1,1,2,4,4,7-hexamethyltetralin

CAS numbers

1506-02-121145-77-7

Commonly found in

perfumedetergentfabric softener

Safer alternatives

  • macrocyclic musks
  • fragrance-free alternatives

Related chemical families

Synthetic Fragrance

Sources

  • Nordic Council Risk Assessment 2004