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| CAS No.: | 7784-45-4 |
|---|---|
| Name: | ARSENIC(III) IODIDE |
| Article Data: | 110 |
| Molecular Structure: | |
|
|
|
| Formula: | AsI3 |
| Molecular Weight: | 455.635 |
| Synonyms: | Arseniciodide (AsI3) (6CI,7CI,8CI); Arsenic triiodide; Arsenic(III) iodide; Arsenousiodide; Triiodoarsine |
| Density: | 4.69 g/mL at 25oC(lit.) |
| Melting Point: | 146 °C |
| Boiling Point: | 403 °C |
| Flash Point: | 424oC |
| Solubility: | Soluble in alcohol, ether, Carbon disulfide, water(6 g/100 m). |
| Hazard Symbols: | T,N |
| Risk Codes: | 23/25-50/53 |
| Safety: | Confirmed human carcinogen. A poison. See also ARSENIC COMPOUNDS and IODIDES. Can form a shock-sensitive compound with sodium or potassium. When heated to decomposition it emits very toxic fumes of I− and arsenic. |
| PSA: | 0.00000 |
| LogP: | 2.27630 |
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Chemistry
Product Name: Arsenic iodide (CAS NO.7784-45-4)
Molecular Formula: AsI3
Molecular Weight: 455.64g/mol
Mol File: 7784-45-4.mol
Einecs: 232-068-4
Appearance: Red powder
Melting Point: 146 °C
Boiling point: 403 °C at 760 mmHg
Flash Point: 424°C
Density: 4.69 g/mL at 25 °C(lit.)
Sensitive: Moisture Sensitive
Enthalpy of Vaporization: 59.3 kJ/mol
Vapour Pressure: 2.45E-06 mmHg at 25°C
H-Bond Donor: 0
H-Bond Acceptor: 0
Product Categories: Arsenic Salts; ArsenicMetal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Crystal Grade Inorganics; Salts
History
It is prepared by a reaction between arsenic(III) chloride and an iodine salt:
- AsCl3(aq) + 3KI(aq) → AsI3(aq) + 3KCl(aq)
Uses
Under the name of Donovan's solution, Arsenic iodide (CAS NO.7784-45-4) was once recommended to treat rheumatism, arthritis, malaria, trypanosome infections, tuberculosis, and diabetes.
Consensus Reports
Reported in EPA TSCA Inventory. Arsenic and its compounds are on the Community Right-To-Know List.
Safety Profile
Confirmed human carcinogen. A poison. See also ARSENIC COMPOUNDS and IODIDES. Can form a shock-sensitive compound with sodium or potassium. When heated to decomposition it emits very toxic fumes of I− and arsenic.
Safety Information of Arsenic iodide (CAS NO.7784-45-4):
Hazard Codes: T.gif){kind=small}
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Risk Statements: 23/25-50/53
23: Toxic by inhalation
25: Toxic if swallowed
50: Very Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements: 20/21-28-45-60-61
20: When using, do not eat or drink
21: When using, do not smoke
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
Standards and Recommendations
OSHA PEL: TWA 0.01 mg(As)/m3; Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m3; Confirmed Human Carcinogen; BEI: 35 μ (As)/L inorganic arsenic and methylated metabolites in urine
NIOSH REL: (Arsenic, Inorganic) CL 2 µg(As)/m3/15 M
Specification
Arsenic iodide ,its CAS NO. is 7784-45-4,the synonyms is Arseniciodide ; Arsenous iodide ; Arsenousiodide ; Arsenoustriiodide ; Arsenous-triiodide- ; Na 1557 ; Triiodoarsine ; Arsenic (ous) iodide .