Section 1: Product Identification
Chemical Name: Mercury (II) perchlorate trihydrate, 99+%
CAS Registry Number: 73491-34-6
Formula: Hg(ClO4)2.3H2O
EINECS Number: none
Chemical Family: metal perchlorate salt
Synonym: Perchloric acid, Mercury(II) salt, trihydrate.
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 73491-34-6 100% 0.025mg/m3 1mg/10m3
Section 3: Hazards Identification
Emergency Overview: Causes irritation to the eyes, skin and respiratory tract. May affect thyroid and kidney functions.
Primary Routes of Exposure: Ingestion
Eye Contact: Causes irritation of the eyes.
Skin Contact: Causes irritation of the skin. Harmful in contact with skin.
Inhalation: Effects include severe respiratory and gastrointestinal distress and damage the central nervous system.
Toxic if swallowed. Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness
Ingestion:
and convulsions.
Acute Health Affects: Poison. Severe immediate toxicity of the gastrointestinal tract that can be fatal
The chronic effects of mercury poisoning include stomatitis, tremors, physic disturbances, excessive
Chronic Health Affects: salivation, pain on chewing, loss of memory, irritability and depression. Perchlorates reversibly inhibit thyroid
iodine uptake. Kidney function affected.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: Water spray
Spray closed containers with water until fire is out. Avoid contact with combustible material. Fire fighters
Special Fire Fighting Procedures:
should be equipped with a NIOSH approved self-contained breathing apparatus.
Hazardous Combustion and If involved in a fire this material may emit corrosive hydrogen chloride fumes and toxic mercury vapors.
Decomposion Products:
Releases oxygen on heating. May decompose explosively under fire fighting conditions. Do not mix with
Unusual Fire or Explosion Hazards:
combustibles.
SECTION 6: Accidental Release Measures
Do not mix spilled powder with any combustible materials, such as sawdust. Sweep up the solid and dilute
Spill and Leak Procedures:
with water.
SECTION 7: Handling and Storage
Store in a tightly sealed container in a cool dry place away from combustible and flammable materials. If the
Handling and Storage:
container is left open, salt may adsorb moisture from the atmosphere
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves.
Ventilation: If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: white xtl.
Molecular Weight: 399.46 (453.51)
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: ~4
Odor: none
Solubility in Water: soluble
SECTION 10: Stability and Reactivity
Stability: Hygroscopic
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: Any contact with combustible matter.
Incompatibility: Reducing agents, organic matter, active metals, phosphorus, sulfur, hydrazine, hydroxylamine, strong acids
Decomposition Products: Oxygen, mercury oxide, hydrogen chloride,
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Avoid release to the environment. Very toxic to aquatic organisms. May cause long-term adverse effects in the
Ecological Information:
aquatic environment.
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Oxidizing solid, Toxic, N.O.S.
Hazard Class (CFR): 5.1
Additional Hazard Class (CFR): 6.1
Packaging Group (CFR): II
UN ID Number (CFR): UN# 3087
Shipping Name (IATA): Oxidizing Solid, Toxic, N.O.S.
Hazard Class (IATA): 5.1
Additional Hazard Class (IATA): 6.1
Packaging Group (IATA): II
UN ID Number (IATA): UN# 3087
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory.
SARA (Title 313): Title compound: See Category Code N458.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
