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Name:
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Mercury(II) cyanide, 99% Material Safety Data Sheet
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Synonym:
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Mercuric cyanide.
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CAS:
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592-04-1
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Section 1 - Chemical Product
MSDS Name: Mercury(II) cyanide, 99% Material Safety Data Sheet
Synonym: Mercuric cyanide.
SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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592-04-1
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Mercury(II) cyanide
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99
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209-741-6
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Hazard Symbols: T+
Risk Phrases: 26/27/28 33
SECTION 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW Very toxic by inhalation, in contact with skin and if swallowed. Danger of cumulative effects.Hygroscopic (absorbs moisture from the air).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 eye irritation and possible burns.
Skin:
Causes skin irritation and possible burns.
Ingestion:
May be fatal if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Metabolism may release cyanide, which may result in headache, dizziness, weakness, collapse, unconsciousness and possible death. Inorganic mercury compounds may cause central and peripheral nervous system effects.
Inhalation:
Causes respiratory tract irritation with possible burns. Acute exposure to high concentrations of mercury vapors may cause severe respiratory tract irritation.
Chronic:
Chronic ingestion may cause accumulation of mercury in body tissues. Chronic exposure to mercury compounds may produce immunologic glomerular disease. Chronic exposure to cyanide solutions may lead to the development of a "cyanide" rash, characterized by itching, and by macular, papular, and vesicular eruptions, and may be accompanied by secondary infections.
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. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
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:
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.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.
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 or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. 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. Store protected from light. Avoid mechanical shock and friction.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible substances. Poison room locked. Keep containers tightly closed. Store protected from light.
SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits. Exposure Limits CAS# 592-04-1:
United States OSHA: 5 mg/m3 TWA (listed under Cyanide anion).0.1 mg/m3 Ceiling (listed under Mercury, aryl and inorganic compound 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
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 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 protective 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: Crystals
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 320 deg C ( 608.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 320 deg C
Solubility in water: Soluble.
Specific Gravity/Density: 3.996
Molecular Formula: C2HgN2
Molecular Weight: 252.63
SECTION 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures. Friction and impact sensitive explosive.
Conditions to Avoid:
Incompatible materials, light, friction.
Incompatibilities with Other Materials:
Strong oxidizing agents, acids.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide, mercury/mercury oxides.
Hazardous Polymerization: Has not been reported.
SECTION 11 - TOXICOLOGICAL INFORMATION
RTECS#: CAS# 592-04-1: OW1515000
LD50/LC50:
CAS# 592-04-1: Oral, mouse: LD50 = 33 mg/kg; Oral, rat: LD50 = 26 mg/kg.
Carcinogenicity:
Mercury(II) cyanide - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
SECTION 12 - ECOLOGICAL INFORMATION
SECTION 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
SECTION 14 - TRANSPORT INFORMATION
IATA
Shipping Name: MERCURY CYANIDE
Hazard Class: 6.1
UN Number: 1636
Packing Group: II IMO
Shipping Name: MERCURY CYANIDE
Hazard Class: 6.1
UN Number: 1636
Packing Group: II RID/ADR
Shipping Name: MERCURIC CYANIDE
Hazard Class: 6.1
UN Number: 1636
Packing group: II
USA RQ: CAS# 592-04-1: 1 lb final RQ; 0.454 kg final RQ
SECTION 15 - REGULATORY INFORMATION
European/International Regulations European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with skin and if swallowed. R 33 Danger of cumulative effects.
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 36 Wear suitable protective clothing. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 592-04-1: 3 Canada CAS# 592-04-1 is listed on Canada's NDSL List. CAS# 592-04-1 is listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 592-04-1 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION
MSDS Creation Date: 7/16/1998 Revision #3 Date: 1/18/2005 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.
SECTION 16 - ADDITIONAL INFORMATION N/A