Mercury cyanide

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.

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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:

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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.

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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.

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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.

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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.

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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

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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.

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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.

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SECTION 12 - ECOLOGICAL INFORMATION

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SECTION 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations.

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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

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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.

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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.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

DATA ITEMS CITED :

32

MOLECULAR FORMULA :

C2-Hg-N2

MOLECULAR WEIGHT :

252.63

WISWESSER LINE NOTATION :

HG CN2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Human - man

DOSE/DURATION :

71400 ug/kg

TOXIC EFFECTS :

Cardiac - pulse rate increase, without fall in BP Vascular - BP lowering not characterized in autonomic section Kidney, Ureter, Bladder - urine volume decreased

REFERENCE :

ICMED9 Intensive Care Medicine. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.3- 1977- Volume(issue)/page/year: 21,1051,1995

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Human

DOSE/DURATION :

10 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

YAKUD5 Gekkan Yakuji. Pharmaceuticals Monthly. (Yakugyo Jihosha, Inaoka Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan) V.1- 1959- Volume(issue)/page/year: 22,291,1980

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Human

DOSE/DURATION :

27 mg/kg

TOXIC EFFECTS :

Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting Kidney, Ureter, Bladder - other changes

REFERENCE :

CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 11,301,1977

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Human - woman

DOSE/DURATION :

10 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting

REFERENCE :

JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year: 66,1694,1916

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

26 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433) Volume(issue)/page/year: TR-72-62,1972

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

7500 ug/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,28,1953

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

33 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB214-270

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

2710 ug/kg

TOXIC EFFECTS :

Gastrointestinal - other changes

REFERENCE :

PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 116,371,1964

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2 mg/kg

REFERENCE :

JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 41,21,1931 *** REVIEWS *** ACGIH TLV-TWA 0.01 mg(Hg)/m3; STEL 0.03 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW AJMEAZ American Journal of Medicine. (Technical Pub., 875 Third Ave., New York, NY 10022) V.1- 1946- Volume(issue)/page/year: 38,409,1965 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.05 mg(Hg)/m3 DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,22,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.05 mg(Hg)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FINLAND:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-FRANCE:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-GERMANY:TWA 0.01 ppm (0.1 mg(Hg)/m3) JAN 1993 OEL-HUNGARY:TWA 0.02 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993 OEL-JAPAN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-POLAND:TWA 0.01 mg(Hg)/m3 JAN 1993 OEL-RUSSIA:TWA 0.05 mg(Hg)/m3;STEL 0.01 mg(Hg)/m3 JAN 1993 OEL-SWEDEN:TWA 0.05 mg(Hg)/m3 JAN 1993 OEL-THAILAND:STEL 0.05 mg(Hg)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.05 mg(Hg)/m3;STEL 0.15 mg(Hg)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO MERCURY, ARYL AND INORGANIC-air:CL 0.1 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2765 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 3 (estimated)