Synonyms & Trade Namesα-Aminopyridine, α-Pyridylamine
Conversion1 ppm = 3.85 mg/m3
NIOSH RELTWA 0.5 ppm (2 mg/m3)
OSHA PELTWA 0.5 ppm (2 mg/m3)
Physical DescriptionWhite powder, leaflets, or crystals with a characteristic odor.
Vapor Pressure(77°F): 0.8 mmHg
Ionization Potential8.00 eV
Upper Exposive Limit?
Lower Explosive Limit?
Incompatibilities & ReactivitiesStrong oxidizers
Exposure Routesinhalation, skin absorption, ingestion, skin and/or eye contact
Symptomsirritation eyes, nose, throat; headache, dizziness; excitement; nausea; high blood pressure; resp distress; lassitude (weakness, exhaustion); convulsions; stupor
Target Organscentral nervous system, respiratory system
Personal Protection/Sanitation(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
First Aid(See procedures)
Skin:Water flush immediately
Swallow:Medical attention immediately
Up to 5 ppm:
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division