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Name:
Ammonium nitrate reagent ACS crystals
Synonym:
Nitric acid, ammonium salt
CAS:
6484-52-2
Section 1 - Chemical Product
MSDS Name:Ammonium nitrate reagent ACS crystals
Synonym:Nitric acid, ammonium salt
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name emsds EINECS#
6484-52-2 Ammonium nitrate > 98.0 229-347-8
Hazard Symbols: XI O
Risk Phrases: 36/37/38 8

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Contact with combustible material may cause fire.Hygroscopic.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood. May cause nausea and vomiting. May cause low blood pressure, rapid heartbeat, skin discoloration, and possible coma.
Inhalation:
May cause methemoglobinemia, cyanosis, convulsions, tachycardia, dyspnea (labored breathing), and death. May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown blood. Inhalation can cause systemic acidosis and methemoglobinemia.
Chronic:
May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis (bluish skin due to deficient oxygenation of blood), rapid heart rate, unconsciousness and possible death. May cause digestive tract disturbances.

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 flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
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:
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid.
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. Strong oxidizer. Contact with combustible materials may cause a fire. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use water spray to cool fire-exposed containers. Use flooding quantities of water.

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. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Keep away from sources of ignition. Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from acids. Keep away from reducing agents. Do not store near alkaline substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs 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 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Crystals
Appearance: colourless
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 169 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 210 deg C
Solubility in water: 190 G/100ML (20C)
Specific Gravity/Density: 1.7300g/cm3
Molecular Formula: H4N2O3
Molecular Weight: 80.04

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, excess heat, combustible materials.
Incompatibilities with Other Materials:
Strong reducing agents; strong acids; finely powdered metals; acetic acid; ammonium chloride; phosphorus; sodium perchlorate; sulfur.
Hazardous Decomposition Products:
Nitrogen oxides, ammonia and/or derivatives.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 6484-52-2: BR9050000 LD50/LC50:
CAS# 6484-52-2: Oral, rat: LD50 = 2217 mg/kg.
Carcinogenicity:
Ammonium nitrate - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
Ecotoxicity:
Water danger/protection: WGK 1
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: AMMONIUM NITRATE
Hazard Class: 5.1
UN Number: 1942
Packing Group: III
IMO
Shipping Name: AMMONIUM NITRATE
Hazard Class: 5.1
UN Number: 1942
Packing Group: III
RID/ADR
Shipping Name: AMMONIUM NITRATE
Dangerous Goods Code: 5.1(21C)
UN Number: 1942

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI O
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 8 Contact with combustible material may cause
fire.
Safety Phrases:
S 17 Keep away from combustible material.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 6484-52-2: 1
United Kingdom Occupational Exposure Limits

Canada
CAS# 6484-52-2 is listed on Canadas DSL List.
CAS# 6484-52-2 is not listed on Canadas Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 6484-52-2 is listed on the TSCA inventory.