WHMIS (Methyl bromide)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Flammable gases - Category 11
• Lower flammable limit = 10 %

• Acute toxicity - inhalation - Category 22 3 4 5 6 7

• Skin corrosion/irritation - Category 14 5 8 9

• Serious eye damage/eye irritation - Category 14 5 10

• Specific target organ toxicity - repeated exposure - Category 14 5 6 7 11 12 13

• Health hazards not otherwise classified (corrosion) - Category 1

Danger

Extremely flammable gas (H220)
Fatal if inhaled (H330)
Causes severe skin burns and eye damage (H314)
Causes damage to organs through prolonged or repeated exposure (H372)
Causes severe damage to the respiratory tract

Ingredient disclosure

References

• ▲1.  National Fire Protection Association, Fire protection guide to hazardous materials. 14th ed. Quincy, Mass. : NFPA. (2010). [RR-334001]
• ▲2.  ECHA (European Chemicals Agency) , Information on chemicals (REACH)/ECHA chemicals database. Helsinki, Finland.   http://echa.europa.eu/information-on-chemicals/registered-substances
  https://chem.echa.europa.eu/
• ▲3.  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
• ▲4.  Centre canadien d'hygiène et de sécurité au travail, CHEMINFO, Hamilton, Ont. : Canadian Centre for Occupational Health and Safety   http://ccinfoweb.ccohs.ca/cheminfo/search.html
• ▲5.  Organisation de coopération et de développement économiques, Methyl bromide (CAS : 74-83-9). OECD Screening Information Data Sets (SIDS). UNEP PUBLICATIONS. (2001).   http://www.inchem.org/documents/sids/sids/methbrom.pdf
• ▲6.  International Programme on Chemical Safety, Environmental Health Criteria 166: Methyl bromide. Genève : World Health Organization. (1995). EHC166. [MO-018197]   http://www.inchem.org/documents/ehc/ehc/ehc166.htm
• ▲7.  National Research Council, Methyl Bromide, Acute Exposure Guideline Levels. Acute Exposure Guideline Levels for Selected Airborne Chemicals:, Vol. 12. Washington : The National Academies Press. (2012).   http://www2.epa.gov/sites/production/files/2014-09/documents/methyl_bromide_volume12_0.pdf
  http://www.nap.edu/catalog/13377/acute-exposure-guideline-levels-for-selected-airborne-chemicals-volume-12
• ▲8.  Hezemans-Boer, M. et al., «Skin lesions due to exposure to methyl bromide.» Archives of Dermatology. Vol. 124, no. 6, p. 917-921. (1988). [AP-019465]
• ▲9.  Zwaveling, J. H. et al., «Exposure of the skin to methyl bromide: a study of six cases occupationally exposed to high concentrations during fumigation.» Human Toxicology. Vol. 6, no. 6, p. 491-495. (1987). [AP-022838]
• ▲10.  Grant, W.M. et Schuman, J.S., Toxicology of the eye : effects on the eyes and visual systems from chemicals, drugs, metals and minerals, plants, toxins and venoms; also, systemic side effects from eye medications. Vol. 1, 4th ed. Springfield (ILL.) : Charles C. Thomas. (1993). [RM-515030]
• ▲11.  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
• ▲12.  National toxicology program, Toxicology and carcinogenesis studies of methyl bromide (CAS no. 74-83-9) in B6C3F1 mice (inhalation studies).. Research Triangle Park, NC : National Toxicology Program. (1992). NTP/TR 385.   http://ntp.niehs.nih.gov/ntp/htdocs/lt_rpts/tr385.pdf
• ▲13.  Kato, N, Morinobu, S et Ishizu, S, «Subacute Inhalation Experiment for Methyl Bromid in Rats.» Industrial Health. Vol. 24, p. 87-103. (1986).   https://www.jstage.jst.go.jp/article/indhealth1963/24/2/24_2_87/_article

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