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 Work place chemicals for which toxicological data gaps exist (N81101)

Nominated Substances: Dichloroisocyanuric acid, 2,6-Diisocyanatotoluene, Perchloromethyl mercaptan, s-Trioxane, Triphenyl phosphite

Nomination Date: 08/00/1981

Nominator: NIOSH

Rationale: Assess mutagenic activity of workplace chemicals for which toxicological data gaps exist

NTP Principles: Pre 1993 - 3

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: 2782-57-2

Agent Name: Dichloroisocyanuric acid

CASRN: 91-08-7

Agent Name: 2,6-Diisocyanatotoluene

CASRN: 594-42-3

Agent Name: Perchloromethyl mercaptan

CASRN: 110-88-3

Agent Name: s-Trioxane

CASRN: 101-02-0

Agent Name: Triphenyl phosphite