2-AMINOPYRIDINE

International Chemical Safety Cards

2-AMINOPYRIDINE

ICSC: 0214

2-AMINOPYRIDINE
o-Aminopyridine
alpha-Aminopyridine
2-Pyridylamine
C₅N₂H₆/NH₂C₅H₄N
Molecular mass: 94.1
CAS # 504-29-0
RTECS # US1575000
ICSC # 0214
UN # 2671

TYPES OF HAZARD/ EXPOSURE	ACUTE HAZARDS/ SYMPTOMS	PREVENTION	FIRST AID/ FIRE FIGHTING
FIRE	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION	Finely dispersed particles form explosive mixtures in air.	Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.

EXPOSURE		STRICT HYGIENE!	IN ALL CASES CONSULT A DOCTOR!
INHALATION	Convulsions. Dizziness. Headache. Nausea. Shortness of breath. Weakness. Increased blood pressure. Collapse.	Local exhaust or breathing protection.	Fresh air, rest. Artificial respiration if indicated. Refer for medical attention.
SKIN	MAY BE ABSORBED! Redness (Further see Inhalation).	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
EYES	Redness.	Face shield or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
INGESTION	(further see Inhalation).	Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Ventilation. Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place (extra personal protection: P3 filter respirator for toxic particles).

Separated from strong oxidants, food and feedstuffs. Dry.

Airtight. Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: II

SEE IMPORTANT INFORMATION ON BACK

ICSC: 0214

Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993

International Chemical Safety Cards

2-AMINOPYRIDINE

ICSC: 0214

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PHYSICAL STATE; APPEARANCE:
COLOURLESS OR WHITE POWDER OR CRYSTALS , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air.

CHEMICAL DANGERS:
The substance decomposes on burning producing toxic gases and vapours including nitrous oxides. Reacts with strong oxidants causing fire and explosion hazard. The substance is a strong base that is soluble in water.

OCCUPATIONAL EXPOSURE LIMITS (OELs):
TLV: 0.5 ppm; 1.9 mg/m³ (as TWA) (ACGIH 1993-1994).

ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and through the skin.

INHALATION RISK:
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the eyes, the skin and the respiratory tract. The substance may cause effects on the central nervous system , resulting in convulsions, respiratory failure. Exposure may result in death.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 211°C
Melting point: 58°C
Relative density (water = 1): see Notes
Solubility in water: very good

Vapour pressure, kPa at 20°C: about 0.13
Relative vapour density (air = 1): 3.2
Flash point: 68°C c.c.
Octanol/water partition coefficient as log Pow: 0.49