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4-aminopyridine 504-24-5 MSDS
Name: 4-Aminopyridine Material Safety Data Sheet
Synonym: Amino-4-pyridine; gamma-Aminopyridine; 4-Pyridylamine; 4-Pyridinamine
CAS: 504-24-5
Section 1 - Chemical Product   MSDS Name:4-Aminopyridine Material Safety Data Sheet
Synonym:Amino-4-pyridine; gamma-Aminopyridine; 4-Pyridylamine; 4-Pyridinamine

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
504-24-5 4-Aminopyridine 98 207-987-9
Hazard Symbols: T+
Risk Phrases: 28 36/37/38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Very toxic if swallowed. Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation. Causes redness and pain.
Skin:
Causes skin irritation. May be fatal if absorbed through the skin.
Substance is rapidly absorbed through the skin. Causes symptoms similar to those of inhalation. Causes redness and pain.
Ingestion:
May be fatal if swallowed. May cause irritation of the digestive tract. Poison by ingestion. May cause effects similar to those for inhalation exposure.
Inhalation:
Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. Causes respiratory tract irritation. May cause severe headaches, nausea, increased blood pressure, weakness, convulsions, and a stuporous state.
Chronic:
None

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Containers may explode in the heat of a fire. Combustible solid.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Remove all sources of ignition. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep away from heat, sparks and flame. Do not ingest or inhale. Use only in a chemical fume hood.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Poison room locked.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use only under a chemical fume hood.
Exposure Limits CAS# 504-24-5: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: no odor
pH: Not available.
Vapor Pressure: 0.8 mm Hg @25C
Viscosity: Not available.
Boiling Point: 273 deg C @ 760 mm Hg
Freezing/Melting Point: 155 - 158 deg C
Autoignition Temperature: 640 deg C ( 1,184.00 deg F)
Flash Point: 156 deg C ( 312.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: 8796 mg/L @ 25C
Specific Gravity/Density:
Molecular Formula: C5H6N2
Molecular Weight: 94.12

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 504-24-5: US1750000 LD50/LC50:
CAS# 504-24-5: Oral, mouse: LD50 = 19 mg/kg; Oral, rat: LD50 = 21 mg/kg.
Carcinogenicity:
4-Aminopyridine - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
Fish: Bluegill/Sunfish: LC50 = 2.8-7.5 mg/L; 96 Hr.; Static Conditions; 12-22 CBacteria: Phytobacterium phosphoreum: EC50 = 23.6-26.5 mg/L; 5,15,30 minutes; Microtox test; 15 Degrees CBioaccumulation: none or low

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: AMINOPYRIDINES
Hazard Class: 6.1
UN Number: 2671
Packing Group: II
IMO
Shipping Name: AMINOPYRIDINES
Hazard Class: 6.1
UN Number: 2671
Packing Group: II
RID/ADR
Shipping Name: AMINOPYRIDINES
Hazard Class: 6.1
UN Number: 2671
Packing group: II
USA RQ: CAS# 504-24-5: 1000 lb final RQ; 454 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 28 Very toxic if swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 1 Keep locked up.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37/39 Wear suitable gloves and eye/face
protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 504-24-5: No information available.
Canada
CAS# 504-24-5 is listed on Canada's DSL List.
CAS# 504-24-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 504-24-5 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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