| Identification | More | 【Name】
MERCURY(II) IODIDE | 【CAS】
7774-29-0 | 【Synonyms】
MERCURIC IODIDE
MERCURIC IODIDE RED
MERCURY(+2)IODIDE, RED
MERCURY (II) BINIODIDE, RED
MERCURY(II) IODIDE
MERCURY(II) IODIDE RED
MERCURY IODIDE
VALSER'S REAGENT
alpha-mercury(ii)iodide
HgI2
Hydrargyrum bijodatum
hydrargyrumbijodatum
mercuriciodide,[solution]
Mercury biniodide
Mercury iodide (HgI2)
mercurybiniodide
mercuryiodide(hgi2)
Red mercuric iodide
redmercuriciodide
Mercury iodide red
| 【EINECS(EC#)】
231-873-8 | 【Molecular Formula】
HgI2 | 【MDL Number】
MFCD00011044 | 【Molecular Weight】
454.4 | 【MOL File】
7774-29-0.mol |
| Chemical Properties | Back Directory | 【Appearance】
Red Solid | 【mp 】
259 °C(lit.)
| 【bp 】
354 °C(lit.)
| 【density 】
6.36 | 【Fp 】
350°C subl. | 【storage temp. 】
Store at RT. | 【solubility 】
potassium iodide solution: passes test
| 【form 】
beads
| 【Stability:】
Stable. Incompatible with strong oxidizing agents, potassium, sodium, interhalogens. Light-sensitive. | 【Merck 】
14,5879 | 【CAS DataBase Reference】
7774-29-0(CAS DataBase Reference) |
| Safety Data | Back Directory | 【Hazard Codes 】
T+,N | 【Risk Statements 】
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . | 【Safety Statements 】
S13:Keep away from food, drink and animal feeding stuffs .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
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 2025 6.1/PG 2
| 【WGK Germany 】
3
| 【RTECS 】
OW5250000
| 【F 】
8 | 【HazardClass 】
6.1 | 【PackingGroup 】
II |
| Hazard Information | Back Directory | 【General Description】
A scarlet-red odorless tasteless powder. Sensitive to light. Insoluble in water and sinks in water. At elevated temperatures turns yellow but turns back to red upon cooling. Poison. | 【Reactivity Profile】
MERCURY IODIDE(7774-29-0) is a mild reducing agent. Reacts with sodium azide to form mercury(II) azide, which is shock, friction, and heat sensitive. Incompatible with acetylene, ammonia, chlorine dioxide, azides, chlorine trifluoride, calcium (because of amalgam formation), sodium carbide, lithium, rubidium, copper . | 【Air & Water Reactions】
Insoluble in water. | 【Health Hazard】
All forms of exposure to this compound are hazardous. Acute systemic mercurialism may be fatal within a few minutes; death by uremic poisoning is usually delayed 5-12 days. 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 difficulty in breathing. Ingestion causes necrosis, pain, vomiting, and severe purging. Contact with eyes causes ulceration of conjunctiv a and cornea. Contact with skin causes irritation and possible dermatitis; systemic poisoning can occur by absorption through skin. | 【Fire Hazard】
Special Hazards of Combustion Products: Fumes from fire may contain toxic mercury vapor. |
|
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