Skip to Main Navigation
Skip to Page Content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Nomination Summary for Nanoscale materials (N20338)

Nominated Substances: Nanoscale material (Fullerene C60), Nanoscale material (Quantum dots), Nanoscale material (Rutile titanium dioxide), Nanoscale materials evaluation

Nomination Date: 05/19/2003

Nominator: Rice University Center for the Biological & Environmental Nanotechnology

Rationale: Intense current and anticipated future research and development focus; further studies and development of appropriate toxicological methods are needed to adequately assess health effects

NTP Principles: 2, 6

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

CASRN: 99685-96-8

Agent Name: Nanoscale material (Fullerene C60)


Agent Name: Nanoscale material (Quantum dots)

CASRN: 1317-80-2

Agent Name: Nanoscale material (Rutile titanium dioxide)