**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7487-94-7 |Mercury(II) chloride | 100 | 231-299-8 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T+ C N
Risk Phrases: 28 34 48/24/25 50/53
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Very toxic if swallowed. Causes burns. Toxic : danger of serious
damage to health by prolonged exposure in contact with skin and if
swallowed. Very toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment.Light sensitive.
Potential Health Effects
Eye:
Exposure to mercury or mercury compounds can cause discoloration on
the front surface of the lens, which does not interfere with vision.
Causes severe eye irritation and possible burns. Contact with
mercury or mercury compounds can cause ulceration of the conjunctiva
and cornea.
Skin:
May be fatal if absorbed through the skin. Causes severe skin
irritation and possible burns. May cause allergic contact
dermatitis.
Ingestion:
May be fatal if swallowed. Causes gastrointestinal irritation with
nausea, vomiting and diarrhea. Causes gastrointestinal tract burns.
May cause muscle tremor and impaired motor function. May cause
cardiac disturbances.
Inhalation:
May cause central nervous system effects including vertigo, anxiety,
depression, muscle incoordination, and emotional instability. May
cause gastrointestinal effects including gum and mouth inflammation,
jaw necrosis, and loosening of the teeth. May cause burns to the
respiratory tract. Acute exposure to high concentrations of mercury
vapors may cause severe respiratory tract irritation.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Chronic
inhalation and ingestion may cause effects similar to those of acute
inhalation and ingestion. May cause reproductive and fetal effects.
Chronic ingestion may cause accumulation of mercury in body tissues.
Laboratory experiments have resulted in mutagenic effects. May be
rapidly transferred across the placenta and cause adverse fetal
effects.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
POISON material. If swallowed, get medical aid immediately. Only
induce vomiting if directed to do so by medical personnel. Never give
anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
The concentration of mercury in whole blood is a reasonable measure
of the body-burden of mercury and thus is used for monitoring
purposes. Persons with kidney disease, chronic respiratory disease,
liver disease, or skin disease may be at increased risk from
exposure to this substance.
Antidote:
The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating
agent should be determined by qualified medical personnel. The use of
d-Penicillamine as a chelating agent should be determined by
qualified medical personnel.
**** 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. Water runoff can cause environmental damage. Dike
and collect water used to fight fire. During a fire, irritating and
highly toxic gases may be generated by thermal decomposition or
combustion. Substance is noncombustible.
Extinguishing Media:
Use water fog, dry chemical, carbon dioxide or alcohol type 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. Avoid runoff into storm sewers and ditches which lead to
waterways. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Wash hands before eating. 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. Do not ingest or inhale. Store
protected from light. Use only with adequate ventilation. Extreme
care should always be taken to prevent skin and gastrointestinal
absorption because these routes of entry can greatly increase the
total body burden and are often overlooked in occupational settings.
Storage:
Store in a tightly closed container. Keep away from food and
drinking water. Store in a cool, dry, well-ventilated area away from
incompatible substances. Store protected from light.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 7487-94-7:
United States OSHA: 0.1 mg/m3 Ceiling (listed under Mercury, ary
and inorganic compounds).
Belgium - TWA: (listed as mercury, aryl and inorganic compounds):
mg/m3 VLE (as Hg)
France - VME: (listed as mercury, aryl and inorganic compounds):
mg/m3 VME (as Hg)
Germany: (listed as mercury, aryl and inorganic compounds): 0.1 m
VME (as Hg)
Germany: (listed as mercury inorganic compounds): Skin absorber
Malaysia: (listed as mercury, aryl and inorganic compounds): 0.1
mg/m3 TWA (as Hg)
Netherlands: (listed as mercury inorganic compounds): 0.15 mg/m3
Netherlands: (listed as mercury inorganic compounds): 0.05 mg/m3
Russia: (listed as mercury inorganic compounds): 0.2 mg/m3 TWA (a
Hg)
Russia: (listed as mercury inorganic compounds): 0.05 mg/m3 STEL
Hg)
Spain: (listed as mercury, aryl and inorganic compounds): 0.1 mg/
VLA-ED (as Hg)
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:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Crystals
Color: white
Odor: odorless
pH: 4.7
Vapor Pressure: slightly volatile @RT
Viscosity: Not applicable.
Boiling Point: 300 deg C
Freezing/Melting Point: 277 deg C
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Soluble.
Specific Gravity/Density: 5.44 at 25C
Molecular Formula: HgCl2
Molecular Weight: 271.50
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Light, dust generation, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, ammonia, copper, iron, silver
salts, potassium, antimony, sodium, lead, hypophosphites, formates,
sulfites, phosphates, albumin, gelatin, alkalies, alkaloid salts,
lime water, arsenic, bromides, borax, carbonates, reduced iron,
infusions of cinchona, columbo, oak bark or senna, tannic acid,
metallic halides, vegetable astringents.
Hazardous Decomposition Products:
Mercury/mercury oxides, chloride fumes.
Hazardous Polymerization: Will not occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7487-94-7: OV9100000
LD50/LC50:
CAS# 7487-94-7: Draize test, rabbit, eye: 50 ug/24H Severe; Draize
test, rabbit, skin: 500 mg/24H Severe; Oral, mouse: LD50 = 6 mg/kg;
Oral, rat: LD50 = 1 mg/kg; Skin, rat: LD50 = 41 mg/kg.
Carcinogenicity:
Mercury(II) chloride -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Fish: Rainbow trout: LC50 = 0.903 mg/L; 24 Hr; UnspecifiedFish:
Fathead Minnow: LC50 = 0.037 mg/L; 48 Hr; UnspecifiedFish:
Bluegill/Sunfish: LC50 = 0.16 mg/L; 96 Hr; Static at 13.5-16.2C (pH
7.1-7.3)Water flea Daphnia: LC50 = 0.093 mg/L; 48 Hr; Unspecified
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Dispose of in a manner consistent with federal, state, and local regulations.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: MERCURIC CHLORIDE
Hazard Class: 6.1
UN Number: 1624
Packing Group: II
IMO
Shipping Name: MERCURIC CHLORIDE
Hazard Class: 6.1
UN Number: 1624
Packing Group: II
RID/ADR
Shipping Name: MERCURIC CHLORIDE
Hazard Class: 6.1
UN Number: 1624
Packing group: II
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ C N
Risk Phrases:
R 28 Very toxic if swallowed.
R 34 Causes burns.
R 48/24/25 Toxic : danger of serious damage to
health by prolonged exposure in contact with skin and
if swallowed.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 36/37/39 Wear suitable protective clothing, 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).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 7487-94-7: 3
Canada
CAS# 7487-94-7 is listed on Canada's DSL List.
CAS# 7487-94-7 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7487-94-7 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 6/15/1999 Revision #3 Date: 11/08/2002
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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