WHMIS (1-Naphthyl thiourea)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Acute toxicity - oral - Category 21 2

• Specific target organ toxicity - repeated exposure - Category 11 3 4

Danger

Fatal if swallowed (H300)
Causes damage to organs through prolonged or repeated exposure (H372)

Ingredient disclosure

References

• ▲1.  American Conference of Governmental Industrial Hygienists, Documentation of the threshold limit values and biological exposure indices / Documentation of TLV's and BEI's. 7th ed. Cincinnati, Ohio : ACGIH. (2001-). Publication #0100Doc. [RM-514008]   http://www.acgih.org
• ▲2.  National Institute for Occupational Safety and Health, RTECS (Registry of Toxic Effects of Chemical Substances). Hamilton (Ont) : Canadian Centre for Occupational Health and Safety.   http://ccinfoweb.ccohs.ca/rtecs/search.html
• ▲3.  Lehman, A.J., «Chemicals in foods : a report to the Association of Food and Drug Officials on Current Developments. Part II, pesticides. Section V, pathology.» Quarterly bulletin / Association of Food and Drug Officials on Current Developments. Vol. 16, p. 126-132. (1952). [AP-000450]
• ▲4.  Lehman, A.J., «Chemicals in foods : a report to the Association of Food and Drug Officials on Current Developments. Part II, pesticides. Section III, subacute and chronic toxicity.» Quarterly bulletin / Association of Food and Drug Officials on Current Developments. Vol. 16, p. 47-53. (1952). [AP-000449]

The [number] refers to the Information SST database of the CNESST Documentation Center.