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2-Aminopyridine

Synonyms & Trade Names
α-Aminopyridine, α-Pyridylamine
CAS No.
504-29-0
RTECS No.
US1575000
DOT ID & Guide
2671 153
Formula
NH2C5H4N
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:
?
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
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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