Nomination Summary for Nanoscale materials: nanoscale gold & nanoscale silver (N20705)

Nominated Substances: Ionic silver, Nanoscale gold, Nanoscale Silver, Silver

Nomination Date: 12/08/2007

Nominator: FDA

Rationale: Increasing widespread use in drug, food and cosmetic products and the general lack of data on the toxicology and pharmacokinetics of these materials.

NTP Principles: 1, 6, 7

Status: Selected


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: 14701-21-4

Agent Name: Ionic silver

  • No studies are available.

CASRN: 7440-57-5

Agent Name: Nanoscale gold

  • No studies are available.

CASRN: 7440-22-4

Agent Name: Nanoscale Silver


CASRN: 7440-22-4

Agent Name: Silver

  • No studies are available.