| Identification | More | [Name]
MERCURIC CYANIDE | [CAS]
592-04-1 | [Synonyms]
CIANURINA
MERCURIC CYANIDE
MERCURY(+2)CYANIDE
MERCURY CYANIDE
MERCURY(II) CYANIDE
Cyanure de mercure
cyanuredemercure
cyanuredemercure(french)
dicyanomercury
Mercury cyanide (Hg(CN)2)
mercurycyanide(hg(cn)2)
mercurydicyanide
MERCURY(II) CYANIDE 99%
Mercury(II)cyanide,99%
MERCURICCYANIDE,REAGENT
Quecksilber(II)-cyanid
Mercury (II) cyanide, 99.7%
Dicyanomercury(II)
Mercury(II)dicyanide | [EINECS(EC#)]
209-741-6 | [Molecular Formula]
C2HgN2 | [MDL Number]
MFCD00011037 | [Molecular Weight]
252.62 | [MOL File]
592-04-1.mol |
| Chemical Properties | Back Directory | [Appearance]
Mercuric cyanide is an odorless, white crystalline solid; turns gray to dark brown when exposed to light | [Melting point ]
46.85°C | [density ]
3.996 g/mL at 25 °C(lit.)
| [storage temp. ]
Poison room | [solubility ]
Methanol (Slightly), THF (Soluble) | [form ]
Fine Crystalline Powder | [color ]
White | [Specific Gravity]
3.996 | [Water Solubility ]
g/100g solution H2O: 6.31 (0°C), 10.06±0.06 (25°C), 35.05 (101.1°C) [KRU93]; 1g dissolves in 13mL alcohol, 4mL methanol; slightly soluble ether; slowly soluble glycerol [MER06] | [Merck ]
13,5903 | [BRN ]
4652800 | [Exposure limits]
TLV-TWA 0.1 mg Hg/m3 (skin) (ACGIH). | [Stability:]
Acid Sensitive, Light Sensitive | [Uses]
Medicine (antiseptic), germicidal soaps, manufacturing cyanogen gas, photography. | [CAS DataBase Reference]
592-04-1(CAS DataBase Reference) | [EPA Substance Registry System]
Mercuric cyanide (592-04-1) |
| Hazard Information | Back Directory | [Chemical Properties]
Mercuric cyanide is an odorless, white crystalline solid; turns gray to dark brown when exposed to light | [Chemical Properties]
WHITE FINE CRYSTALLINE POWDER | [General Description]
Odorless tetragonal crystals or white powder. Toxic by inhalation (dust, and the hydrogen cyanide from decomposition) and by ingestion. Toxic oxides of nitrogen are produced in fires. | [Reactivity Profile]
MERCURIC CYANIDE(592-04-1) is rapidly decomposed by acids to give off hydrogen cyanide, a flammable poison gas. Decomposed in the light. May tend to explosive instability. Capable of violent reaction with oxidizing agents. Fusion with metal chlorates, perchlorates, nitrates or nitrites can cause a violent explosion [Bretherick 1979. p. 101]. | [Air & Water Reactions]
Soluble in water. Gradually decomposed by water to give off hydrogen cyanide, a flammable poison gas. | [Hazard]
Toxic by ingestion, inhalation, and skin
absorption. | [Health Hazard]
Symptoms of both cyanide and mercury intoxication can occur. Acute poisoning has resulted from inhaling dust concentrations of 1.2-8.5 mg/m 3 of air; symptoms include tightness and pain in chest, coughing, and difficul ty in breathing; cyanide poisoning can cause anxiety, confusion, dizziness, and shortness of breath, with possible unconsciousness, convulsions, and paralysis; breath may smell like bitter almonds. Ingestion causes necrosis, pain, vomiting, an d severe purging, plus the above symptoms. Contact with eyes causes ulceration of conjunctiva and cornea. Contact with skin causes irritation and possible dermatitis; systemic poisoning can occur by absorption through skin. | [Potential Exposure]
Mercuric cyanide is used in medicine,
germicidal soaps, photography and in making cyanogen
gas | [Fire Hazard]
Special Hazards of Combustion Products: Fumes from fire may contain toxic mercury and hydrogen cyanide. | [First aid]
Move victim to fresh air. Call 911 or emergency
medical service. Give artificial respiration if victim is not
breathing. Do not use mouth-to-mouth method if victim
ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way
valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult. Remove and
isolate contaminated clothing and shoes. In case of contact
with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact,
avoid spreading material on unaffected skin. Keep victim
warm and quiet. Effects of exposure (inhalation, ingestion,
or skin contact) to substance may be delayed. Ensure that
medical personnel are aware of the material(s) involved
and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing
overexposure, as pulmonary edema may be delayed. As
first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. Antidotes and Special Procedures for medical
personnel: The drug NAP has been used to treat mercury
poisoning, with mixed success. | [Shipping]
UN1636 Mercuric cyanide, Hazard Class: 6.1;
Labels: 6.1-Poisonous materials | [Incompatibilities]
Violent reaction with fluorine, magnesium, sodium nitrite, acids. Heating or contact with acid
releases toxic mercury and flammable hydrogen cyanide
gas. Incompatible with oxidizers (chlorates, nitrates,
peroxides, permanganates, perchlorates, chlorine, bromine,
fluorine, etc.); contact may cause fires or explosions. Keep
away from alkaline materials, strong bases, strong acids,
oxoacids, epoxides | [Description]
Mercuric cyanide is an odorless, white crystalline solid; turns gray to dark brown when exposed to light. Molecular weight= 252.63; Decomposes at 319℃. Hazard Identification (based on NFPA-704 M Rating System): Health 3, Flammability 0, Reactivity 0. Soluble in water. | [Waste Disposal]
Return to supplier for mercury recovery and deactivation. | [Definition]
ChEBI: Mercury dicyanide is a mercury coordination entity. | [Preparation]
One part of HgO is digested for a few hours on a water bath
with one part of Prussian blue and 10 parts of H2O. The mercuric cyanide crystals
separate on evaporation of the solution. | [Purification Methods]
Crystallise it from water. The solubility in H2O is 8% at ~20o and 33% at ~100o; in EtOH it is 8% at ~20o and in MeOH it is 25% at ~20o. [Blitz Z Anorg Allgem Chem 170 161 1928.] POISONOUS. | [storage]
Color Code—Blue: Health Hazard/Poison: Store in a secure poison location. Prior to working with this chemical you should be trained on its proper handling and storage. Mercuric cyanide must be stored to avoid contact with fluorine, magnesium, and sodium nitrite, since violent reactions occur. Mercuric cyanide should not contact acid or heat because it will release flammable hydrogen cyanide gas. Store in tightly closed containers in a cool, well-ventilated area away from light. Protect containers from physical damage. |
| Safety Data | Back Directory | [Hazard Codes ]
T+,N | [Risk Statements ]
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R32:Contact with acids liberates very toxic gas.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . | [Safety Statements ]
S7:Keep container tightly closed .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S29:Do not empty into drains .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | [RIDADR ]
UN 1636 6.1/PG 2
| [WGK Germany ]
3
| [RTECS ]
OW1515000
| [F ]
8 | [HazardClass ]
6.1(a) | [PackingGroup ]
II | [HS Code ]
28521000 | [Safety Profile]
Poison by ingestion,
subcutaneous, intravenous, and
intraperitoneal routes. Human systemic
effects by ingestion: nausea or vomiting,
hypermotility, dlarrhea, kidney changes,
somnolence. Hydrolyzes to toxic fumes. A
frictionand impact-sensitive explosive. It
may initiate detonation of liquid hydrogen
cyanide. Incompatible with fluorine,
magnesium, sodium nitrite. When heated to
decomposition it emits very toxic fumes of
Hg, NOx, and CN-. See also CYANIDE
and MERCURY COMPOUNDS. | [Hazardous Substances Data]
592-04-1(Hazardous Substances Data) |
|