2-AMINOPYRIDINE 0214
April 2004
CAS No: 504-29-0 o-Aminopyridine
alpha-Aminopyridine
RTECS No: US1575000
C5H6N2 / NH2C5H4N
UN No: 2671
Molecular mass: 94.1
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
FIRE Combustible. Gives off irritating or NO open flames. Powder, alcohol-resistant foam,
toxic fumes (or gases) in a fire. water spray, carbon dioxide.
EXPLOSION Finely dispersed particles form Prevent deposition of dust; closed
explosive mixtures in air. system, dust explosion-proof
electrical equipment and lighting.
EXPOSURE STRICT HYGIENE! IN ALL CASES CONSULT A
DOCTOR!
Inhalation Convulsions. Dizziness. Headache. Local exhaust or breathing protection. Fresh air, rest. Artificial respiration
Nausea. Shortness of breath. may be needed. Refer for medical
Weakness. attention.
Skin MAY BE ABSORBED! Redness. Protective gloves. Protective clothing. Remove contaminated clothes.
(Further see Inhalation). Rinse skin with plenty of water or
shower.
Eyes Redness. Face shield, or eye protection in First rinse with plenty of water for
combination with breathing several minutes (remove contact
protection. lenses if easily possible), then take to
a doctor.
Ingestion (See Inhalation). Do not eat, drink, or smoke during Rinse mouth. Give a slurry of
work. Wash hands before eating. activated charcoal in water to drink.
Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P3 filter respirator for toxic UN Hazard Class: 6.1 Airtight. Do not transport with food
particles. Do NOT let this chemical enter the UN Pack Group: II and feedstuffs.
environment. Sweep spilled substance into sealable
containers. Carefully collect remainder, then remove
to safe place.
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT2-II Separated from food and feedstuffs, strong oxidants, strong acids.
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission 漏
IPCS 2005
International
Programme on
SEE IMPORTANT INFORMATION ON THE BACK.
Chemical Safety
0214 2-AMINOPYRIDINE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
COLOURLESS OR WHITE POWDER OR CRYSTALS, WITH The substance can be absorbed into the body by inhalation of its
CHARACTERISTIC ODOUR. aerosol, through the skin and by ingestion.
Physical dangers Inhalation risk
Dust explosion possible if in powder or granular form, mixed with A harmful contamination of the air can be reached very quickly on
air. evaporation of this substance at 20/C.
Chemical dangers Effects of short-term exposure
The substance decomposes on burning producing nitrogen The substance is irritating to the eyes and the skin. The
oxides. Reacts with strong oxidants causing fire and explosion substance may cause effects on the central nervous system,
hazard. The solution in water is a strong base, it reacts violently resulting in convulsions, respiratory depression. The substance
with acid and is corrosive. may cause an increase in blood pressure. Exposure far above the
OEL may result in death.
Occupational exposure limits
TLV: 0.5 ppm as TWA; (ACGIH 2004).
MAK: IIb (not established but data is available) (DFG 2003).
PHYSICAL PROPERTIES
Boiling point: 211/C Relative vapour density (air = 1): 3.2
Melting point: 58/C Flash point: 68/C c.c.
Solubility in water: very good Octanol/water partition coefficient as log Pow: 0.49
Vapour pressure, kPa at 25/C: 0.8
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
There is no odour warning even when toxic concentrations are present.
The relation between odour and the occupational exposure limit cannot be indicated.
Card has been partly updated in October 2005. See section Occupational Exposure Limits.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2005
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