2-Aminopyridine |
Synonyms & Trade Names ?-Aminopyridine, ?-Pyridylamine |
CAS No. 504-29-0 |
RTECS No. US1575000 |
DOT ID & Guide 2671 153 |
FormulaNH2C5H4N |
Conversion 1 ppm = 3.85 mg/m3 |
IDLH 5 ppm
See: 504290 |
Exposure Limits NIOSH REL: TWA 0.5 ppm (2 mg/m3)
OSHA PEL: TWA 0.5 ppm (2 mg/m3) |
Measurement Methods
NIOSH S158 (II-4)
See: NMAM or OSHA Methods |
Physical Description White powder, leaflets, or crystals with a characteristic odor. |
MW: 94.1 |
BP: 411°F |
MLT: 137°F |
Sol: >100% |
VP(77°F): 0.8 mmHg |
IP: 8.00 eV |
Sp.Gr: ? |
Fl.P: 154°F |
UEL: ? |
LEL: ? |
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| Combustible Solid |
Incompatibilities & Reactivities Strong oxidizers |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, nose, throat; headache, dizziness; excitement; nausea; high blood pressure; resp distress; lassitude (weakness, exhaustion); convulsions; stupor |
Target Organs central nervous system, respiratory system |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH/OSHA 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 Escape:
(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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0214
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