WHMIS (1,5-Naphthalene diisocyanate)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader
Update: 2003-10-29
  • WHMIS pictogram : Skull and crossbones

    D1A, D2A, D2B

D1A
  • Very Toxic Material Causing Immediate and Serious Toxic Effects 1
  • acute lethality: LC50 inhalation/4 hours (270) = 270 mg/m³
D2A
  • Very Toxic Material Causing Other Toxic Effects 2
  • respiratory tract sensitization in humans
D2B
  • Toxic Material Causing Other Toxic Effects 3
  • eye irritation in animals

Disclosure at 0,1% according to classification criteria

WHMIS 2015 classification - Note to reader
Update: 2014-11-14

  • Serious eye damage/eye irritation - Category 23
  • Respiratory sensitization - Category 1
  • Acute toxicity - oral - Not reviewed
  • Acute toxicity - dermal - Not reviewed
  • Acute toxicity - inhalation - Not reviewed
  • Reproductive toxicity (lactation) - Effects on or via lactation : Not reviewed
  • Specific target organ toxicity - single exposure - Not reviewed

  • GHS pictogram : Health hazard

Warning

Causes serious eye irritation (H319)
May cause allergy or asthma symptoms or breathing difficulties if inhaled (H334)
Acute toxicity - oral : Not available
Acute toxicity - dermal : Not available
Acute toxicity - inhalation : Not available
Effects on or via lactation : Not available
Specific target organ toxicity - single exposure : Not available

Ingredient disclosure

Comments: This classification comes from an automated conversion of the classification established under the Controlled Products Regulations. The complete classification under the Hazardous Products Regulations will be determined at a later date.

References

  • ▲1.  Bayer Corp., Desmodur 15 : Study on acute inhalation toxicity in rats according to OECD No. 403 (Duration of exposure : four hours) with cover letter dated 10/02/95. (1995). OTS0572846. [MO-005230]
  • ▲2.  THORAX, VOL. 34, 1979, P. 762-766 [AP-006740]
  • ▲3.  Mobay Chemical Company, «Toxicity and safe handling of isocyanates.» ?. , p. 1-15. (1961). [MO-010021]

The [number] refers to the ISST database of the CSST Documentation Center.