TSCA Work Plan Chemical Risk Assessment HHCB 1,3,4,6,7,8 ...

Skip to main content

Official websites use .gov A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Breadcrumb

1. Home
2. Assessing and Managing Chemicals under TSCA

TSCA Work Plan Chemical Risk Assessment HHCB 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-g-2- benzopyran

This document is a risk assessment of 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-
-2-benzopyran (HHCB). HHCB is one of the most widely used polycyclic musk fragrance ingredients in a range of consumer products including perfumes, cosmetics, shampoos, lotions, detergents, fabric softeners, and household cleaners. HHCB is not produced in the US, but is imported.

• TSCA Work Plan Chemical Risk Assessment HHCB 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-g-2- benzopyran Risk Assessment (pdf) (1.14 MB, August, 2014)

Assessing and Managing Chemicals under TSCA

Open Sidenav Menu Close Sidenav Menu

• How EPA Evaluates the Safety of Existing Chemicals
• Prioritizing Existing Chemicals for Risk Evaluation
• Risk Evaluations for Existing Chemicals under TSCA
• Risk Management for Existing Chemicals under TSCA

Assessing and Managing Chemicals under TSCA Contact Us Assessing and Managing Chemicals under TSCA Contact Us to ask a question, provide feedback, or report a problem. Last updated on March 14, 2025