| Identification | More | [Name]
THALLIUM(I) CHLORIDE | [CAS]
7791-12-0 | [Synonyms]
THALLIUM(+1)CHLORIDE
THALLIUM CHLORIDE
THALLIUM(I) CHLORIDE
Thallium monochloride
THALLIUM (OUS) CHLORIDE
THALLOUS CHLORIDE
Rcra waste number U216
rcrawastenumberu216
Thalium(I) chloride
Thallium chloride (TlCl)
thalliumchloride(tlcl)
Thallous chloride TI 201
thallouschloride0
TlCl
Thallium(Ⅰ)chloride
THALLIUM(I) CHLORIDE, 99.999%
THALLIUM(I) CHLORIDE ANHYDROUS BEADS &
Thallium(I) chloride, 99.995%
Thallium(I)chloride,99.999%(metalsbasis)
Thallium chloride (thallous) | [EINECS(EC#)]
232-241-4 | [Molecular Formula]
ClTl | [MDL Number]
MFCD00011274 | [Molecular Weight]
239.84 | [MOL File]
7791-12-0.mol |
| Chemical Properties | Back Directory | [Appearance]
White, crystalline powder; becomes violet
on exposure to light. Slightly soluble in water; insoluble in
alcohol, ammonium hydroxide. | [Melting point ]
430 °C(lit.) | [Boiling point ]
720 °C | [density ]
7 g/mL at 25 °C(lit.)
| [vapor pressure ]
10 mm Hg ( 517 °C)
| [refractive index ]
2.247 | [storage temp. ]
Poison room | [solubility ]
ethanol: insoluble(lit.) | [form ]
beads
| [color ]
White to off-white | [Specific Gravity]
7.004 | [Water Solubility ]
Slightly soluble in water. Insoluble in alcohol, and acetone. | [Sensitive ]
Air Sensitive | [Merck ]
14,9260 | [Solubility Product Constant (Ksp)]
pKsp: 3.73 | [Dielectric constant]
2.2（20℃） | [Exposure limits]
ACGIH: TWA 0.02 mg/m3 (Skin)
NIOSH: IDLH 15 mg/m3; TWA 0.1 mg/m3 | [Uses]
Catalyst (chlorination), suntan lamp monitors. | [CAS DataBase Reference]
7791-12-0(CAS DataBase Reference) | [EPA Substance Registry System]
Thallium(I) chloride (7791-12-0) |
| Safety Data | Back Directory | [Hazard Codes ]
T+,N | [Risk Statements ]
R26/28:Very Toxic by inhalation and if swallowed .
R33:Danger of cumulative effects.
R51/53: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) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | [RIDADR ]
UN 1707 6.1/PG 2
| [WGK Germany ]
3
| [RTECS ]
XG4200000
| [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
II | [HS Code ]
28273985 | [Safety Profile]
Poison by ingestion and intraperitoneal routes. An experimental teratogen. Mutation data reported. Incompatible with F2. When heated to decomposition it emits very toxic fumes of Cland T1. See also THALLIUM COMPOUNDS and CHLORIDES. | [Hazardous Substances Data]
7791-12-0(Hazardous Substances Data) |
| Hazard Information | Back Directory | [General Description]
White, crystalline powder, becomes violet on exposure to light. Used as a catalyst in chlorinations and in suntan lamps. | [Reactivity Profile]
Fluorine and THALLOUS CHLORIDE react violently, melting the product [Mellor Supp. 1:63 1956]. When heated to decomposition, THALLOUS CHLORIDE emits very toxic fumes of chloride and thallium. Thallium(I) chloride is vigorously attacked by cold fluorine. A mixture of potassium and thallous chloride produces a weak explosion on impact [EPA, 1998]. | [Health Hazard]
(Non-Specific--Thallium Salts) Poisonous if swallowed. Inhalation of dust is poisonous. | [Fire Hazard]
(Non-Specific--Thallium Salts) Fire may produce irritating or poisonous gases. When heated to decomposition, THALLOUS CHLORIDE emits very toxic fumes of chloride and thallium. Thallium(I) chloride is vigorously attacked by cold fluorine. A mixture of potassium and thallous chloride produces a weak explosion on impact. | [Chemical Properties]
White, crystalline powder; becomes violet
on exposure to light. Slightly soluble in water; insoluble in
alcohol, ammonium hydroxide. | [Definition]
ChEBI: Thallium monochloride is a thallium molecular entity and an inorganic chloride. | [Preparation]
Thallium chloride may be prepared by heating the metal with chlorine. | [Hazard]
Thallium chloride is highly toxic. Acute toxic effects are those of thallium poisoning. | [Purification Methods]
Crystallise it from 1% HCl and wash it until acid-free, or crystallise it from hot water (50mL/g), then dry it at 140o and store it in brown bottles. Also purify it by subliming it in a vacuum, followed by treatment with dry HCl gas and filtering while molten. (It is soluble in 260 parts of cold water and 70 parts of boiling water). POISONOUS. |
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Alfa Aesar
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Sigma-Aldrich
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3A Chemicals
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