MSDS Name:   Mercury(II) nitrate monohydrate
Synonym:   Nitric acid, mercury(2+) salt, monohydrate; Mercuric nitrate monohydrate.
Company:   AboutChem.com

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7783-34-8 |Mercury(II) nitrate monohydrate | >98 | unlisted |
|----------------|--------------------------------------|----------|-----------|
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T+ N
Risk Phrases: 26/27/28 33 50/53

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Very toxic by inhalation, in contact with skin and if swallowed.
Danger of cumulative effects. Very toxic to aquatic organisms, may
cause long-term adverse effects in the aquatic environment.Oxidizer.

Potential Health Effects
Eye:
Contact may cause severe eye irritation and possible eye damage.
Skin:
Causes skin burns. May be absorbed through the skin in harmful
amounts.
Ingestion:
Causes gastrointestinal tract burns. May cause kidney damage. May
cause methemoglobinemia, cyanosis (bluish discoloration of skin due
to deficient oxygenation of the blood), convulsions, and death. Can
cause nervous system damage. Methemoglobinemia is characterized by
dizziness, drowsiness, headache, shortness of breath, cyanosis
(bluish discoloration of skin due to deficient oxygenation of the
blood), rapid heart rate and chocolate-brown colored blood. Effects
may be delayed.
Inhalation:
May cause methemoglobinemia, cyanosis (bluish discoloration of skin
due to deficient oxygenation of the blood), 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. May cause effects similar
to those described for ingestion.
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 reproductive and fetal effects.

**** 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. Do NOT allow victim to rub eyes or keep eyes closed.
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. Destroy contaminated shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. 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. Do NOT use mouth-to-mouth
resuscitation. If breathing has ceased apply artificial respiration
using oxygen and a suitable mechanical device such as a bag and a
mask.
Notes to Physician:
For methemoglobinemia, administer oxygen alone or with Methylene
Blue depending on the methemoglobin concentration in the blood.
Antidote:
The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating
agent should be determined by qualified medical personnel. Methylene
blue, alone or in combination with oxygen is indicated as a
treatment in nitrite induced methemoglobinemia.

**** 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. Use water
spray to keep fire-exposed containers cool. Wear appropriate
protective clothing to prevent contact with skin and eyes. Wear a
self-contained breathing apparatus (SCBA) to prevent contact with
thermal decomposition products. Oxidizer. Greatly increases the
burning rate of combustible materials. Some oxidizers may react
explosively with hydrocarbons(fuel). Containers may explode when
heated.
Extinguishing Media:
Use water only! Cool containers with flooding quantities of water
until well after fire is out. Do NOT use dry chemicals, CO2, Halon
or foams.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective
Equipment section. Sweep up, then place into a suitable container for
disposal. Avoid generating dusty conditions. Provide ventilation. Do
not use combustible materials such as paper towels to clean up
spill.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Minimize dust
generation and accumulation. Do not get in eyes, on skin, or on
clothing. Empty containers retain product residue, (liquid and/or
vapor), and can be dangerous. Keep container tightly closed. Do not
ingest or inhale. Store protected from light. Do not pressurize, cut,
weld, braze, solder, drill, grind, or expose empty containers to
heat, sparks or open flames.
Storage:
Store in a tightly closed container. 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 explosion-proof ventilation to keep airborne levels to
acceptable levels.
Exposure Limits
CAS# 7783-34-8:
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)
CAS# 10045-94-0:

Belgium - TWA: (listed as mercury inorganic compounds): 0.025 mg/
VLE (as Hg)
France - VME: (listed as mercury inorganic compounds): 0.1 mg/m3
(as Hg)
Germany: (listed as mercury inorganic compounds): 0.1 mg/m3 VME (
Hg)
Germany: (listed as mercury inorganic compounds): Skin absorber
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 inorganic compounds): 0.025 mg/m3 VLA-E
(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 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 to pale yellow
Odor: odor of nitric acid
pH: Not applicable.
Vapor Pressure: Not applicable.
Viscosity: Not applicable.
Boiling Point: Not available.
Freezing/Melting Point: 77-79 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Soluble in water.
Specific Gravity/Density: 4.3
Molecular Formula: Hg(NO3)2.H2O
Molecular Weight: 324.60

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures. May discolor on
exposure to light. Deliquescent (tending to absorb atmospheric water
vapor and become liquid).
Conditions to Avoid:
High temperatures, light.
Incompatibilities with Other Materials:
Reducing agents, cyanides, thiocyanates, isothiocyanates,
hypophosphites.
Hazardous Decomposition Products:
Nitrogen oxides, mercury/mercury oxides.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 7783-34-8 unlisted.
CAS# 10045-94-0: OW8225000
LD50/LC50:
Not available.
CAS# 10045-94-0: Oral, mouse: LD50 = 25 mg/kg; Oral, rat: LD50 = 26
mg/kg; Skin, rat: LD50 = 75 mg/kg.
Carcinogenicity:
Mercury(II) nitrate monohydrate -
Not listed by ACGIH, IARC, or NTP.
Mercuric nitrate -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Other
No information available.

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: MERCURIC NITRATE
Hazard Class: 6.1
UN Number: 1625
Packing Group: II
IMO
Shipping Name: MERCURIC NITRATE
Hazard Class: 6.1
UN Number: 1625
Packing Group: II
RID/ADR
Shipping Name: MERCURIC NITRATE
Hazard Class: 6.1
UN Number: 1625
Packing group: II
USA RQ: CAS# 10045-94-0: 10 lb final RQ; 4.54 kg final RQ

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ N
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with
skin and if swallowed.
R 33 Danger of cumulative effects.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 13 Keep away from food, drink and animal feeding
stuffs.
S 28A After contact with skin, wash immediately with
plenty of water.
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# 7783-34-8: No information available.
CAS# 10045-94-0: 3
Canada
CAS# 10045-94-0 is listed on Canada's DSL List.
CAS# 7783-34-8 is not listed on Canada's Ingredient Disclosure List.
CAS# 10045-94-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7783-34-8 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).
CAS# 10045-94-0 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 4/29/1999 Revision #3 Date: 10/13/2004

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