NIOSH Pocket Guide Record Summary

Chemical Identification

  • Chemical name
  • CAS Registry number
  • CCOHS record number
  • Synonyms
  • RTECS® number
  • Description
  • Molecular formula
  • DOT/NAERG numbers
  • Conversion factor

Exposure Limits

  • Time Weighted Average (TWA)
  • Short Term Exposure Limit (STEL)
  • Ceiling Exposure Limit (C)
  • Skin, Other Precautions
  • Time Weighted Average (TWA)
  • Short Term Exposure Limit (STEL)
  • Ceiling Exposure Limit (C)
  • Skin, Other Precautions
  • Time Weighted Average (TWA)
  • Short Term Exposure Limit (STEL)
  • Ceiling Exposure Limit (C)
  • Skin, Other Precautions

Includes the Immediately Dangerous to Life or Health concentration, as well as the NIOSH Potential Carcinogen status, if available.

NIOSH Recommended Exposure Limit (REL)

OSHA Current Permissible Exposure Limit (PEL)

OSHA 1989 (Vacated) Permissible Exposure Limit (PEL)

IDLH Concentration

Respiratory Protection

Recommendations for respirator selection: based on maximum concentrations in air, Emergency, IDLH, Escape and other levels.

Personal Protection and Sanitation

  • Skin protection
  • Clothing/PPE removal
  • Eye protection
  • Clothing/PPE change
  • Skin clean-up
  • PPE facilities

Health Hazards and First Aid

  • Potential routes of exposure
  • Eyes - First aid
  • Potential symptoms of exposure
  • Skin - First aid
  • Target organs
  • Inhalation - First aid
  • Potential occupational carcinogen
  • Ingestion - First aid

Exposure Limit Appendices

  • NIOSH REL Notes
  • OSHA PEL Notes

Physical and Chemical Properties

  • Molecular weight
  • Flash point
  • Boiling point
  • Lower explosive limit
  • Freezing point
  • Upper explosive limit
  • Solubility
  • Minimum explosive concentration
  • Vapor pressure
  • Ionization potential
  • Specific gravity
  • Flammability class

Incompatibilities and Reactivities

  • Lists hazardous incompatibilities or reactivities for each substance.

Measurement Method

  • Includes the collection method, the sample work-up, the analytical method and the method number.