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7790-30-9

Name THALLIUM(I) IODIDE
CAS 7790-30-9
EINECS(EC#) 232-199-7
Molecular Formula ITl
MDL Number MFCD00011279
Molecular Weight 331.29
MOL File 7790-30-9.mol
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Chemical Properties

Appearance Yellow powder. Insoluble in alcohol; slightly soluble in water; soluble in aqua regia.
Melting point  440 °C(lit.)
Boiling point  823°C
density  7.29 g/mL at 25 °C(lit.)
Fp  824°C
solubility  insoluble in ethanol
form  Powder
color  Yellow
Specific Gravity 7.09
Water Solubility  Practically insoluble in water
Sensitive  Light Sensitive
Merck  14,9264
Solubility Product Constant (Ksp) pKsp: 7.26
Exposure limits ACGIH: TWA 0.02 mg/m3 (Skin)
Uses
Mixed crystals with thallium bromide for infrared radiation transmitters.
CAS DataBase Reference 7790-30-9(CAS DataBase Reference)
EPA Substance Registry System Thallium iodide (TlI) (7790-30-9)

Safety Data

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  XG5425000
TSCA  Yes
HazardClass  6.1
PackingGroup  II
Safety Profile
Poison by ingestion and subcutaneous routes. Human systemic effects: blood pressure lowering, change in motor activity, muscle weakness. When heated to decomposition it emits very toxic fumes of T1 and I-. See also IODIDES and THALLIUM COMPOUNDS.

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