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MERCURYICSC: 0056
April 2004
CAS #: 7439-97-6Quicksilver
Liquid silver
UN #: 2809
EINECS #: 231-106-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.  Risk of fire and explosion.      In case of fire in the surroundings, use appropriate extinguishing media.  In case of fire: keep drums, etc., cool by spraying with water. 

 STRICT HYGIENE! AVOID EXPOSURE OF (PREGNANT) WOMEN! AVOID EXPOSURE OF ADOLESCENTS AND CHILDREN! IN ALL CASES CONSULT A DOCTOR! 
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Abdominal pain. Cough. Diarrhoea. Shortness of breath. Vomiting. Fever.  Use local exhaust or breathing protection.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. 
Skin MAY BE ABSORBED! Redness.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention . 
Eyes   Wear 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 refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work. Wash hands before eating.  Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Ventilation. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable non-metallic containers as far as possible. Do NOT wash away into sewer. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 8; UN Pack Group: III 

STORAGE
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. 
PACKAGING
Special material.
Do not transport with food and feedstuffs. 
MERCURY ICSC: 0056
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
ODOURLESS HEAVY MOBILE SILVERY LIQUID METAL. 

Physical dangers
 

Chemical dangers
Upon heating, toxic fumes are formed. Decomposes on heating. This produces toxic fumes. Reacts violently with ammonia and halogens. This generates fire and explosion hazard. Attacks aluminium and many other metals. This produces amalgams. 

Formula: Hg
Atomic mass: 200.6
Boiling point: 357°C
Melting point: -39°C
Relative density (water = 1): 13.5
Solubility in water: none
Vapour pressure, Pa at 20°C: 0.26
Relative vapour density (air = 1): 6.93
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.009
Electrical conductivity: 1.04x10e18 pS/m  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour and through the skin also as a vapour. 

Effects of short-term exposure
The substance is irritating to the skin. Inhalation of the vapour may cause pneumonitis. The substance may cause effects on the central nervous system and kidneys. The effects may be delayed. Medical observation is indicated. 

Inhalation risk
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. 

Effects of long-term or repeated exposure
The substance may have effects on the central nervous system and kidneys. This may result in irritability, emotional instability, tremors, mental and memory disturbances and speech disorders. May cause inflammation and discoloration of gums. Cumulative effects are possible. Animal tests show that this substance possibly causes toxic effects upon human reproduction. 


Occupational exposure limits
TLV: 0.025 mg/m3, ppm, as TWA; (skin); A4 (not classifiable as a human carcinogen); BEI issued.
MAK: (inhalable fraction): 0.02 mg/m3; peak limitation category: II(8); skin absorption (H); sensitization of skin (SH); carcinogen category: 3B; pregnancy risk group: D 

ENVIRONMENT
The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur in fish. 

NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
There is no odour warning even when toxic concentrations are present.
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 23-33-50/53; S: (1/2)-7-45-60-61 

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    See Also:
       Toxicological Abbreviations
       Mercury (EHC 1, 1976)
       Mercury (WHO Food Additives Series 4)
       Mercury (WHO Food Additives Series 13)
       MERCURY (JECFA Evaluation)
       Mercury (UKPID)