ChemicalBook--->CAS DataBase List--->7789-27-7

7789-27-7

7789-27-7 Structure

7789-27-7 Structure
IdentificationMore
[Name]

THALLIUM(I) FLUORIDE
[CAS]

7789-27-7
[Synonyms]

THALLIUM FLUORIDE
THALLIUM FLUORIDE (OUS)
THALLIUM(I) FLUORIDE
THALLIUM (OUS) FLUORIDE
THALLOUS FLUORIDE
Thallium fluoride (TlF)
thalliumfluoride(tlf)
thalliummonofluoride
TlF
Tallium(Ⅰ) fluoride
Thallium(I)fluoride,99%
Thallium(I) fluoride 99%
TALLIUM() FLUORIDE
[EINECS(EC#)]

232-154-1
[Molecular Formula]

FTl
[MDL Number]

MFCD00049607
[Molecular Weight]

223.38
[MOL File]

7789-27-7.mol
Chemical PropertiesBack Directory
[Appearance]

white powder
[Melting point ]

322 °C(lit.)
[Boiling point ]

655 °C
[density ]

8.3 g/mL at 25 °C(lit.)
[Fp ]

655°C
[form ]

Powder
[color ]

White
[Specific Gravity]

8.23
[Water Solubility ]

Very soluble in water
[Merck ]

14,9262
[CAS DataBase Reference]

7789-27-7(CAS DataBase Reference)
[EPA Substance Registry System]

Thallium fluoride (TlF) (7789-27-7)
Safety DataBack Directory
[Hazard Codes ]

T+,N,T
[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 ]

XG4900000
[Hazard Note ]

Toxic
[TSCA ]

T
[HazardClass ]

6.1
[PackingGroup ]

II
[HS Code ]

28261990
[Safety Profile]

Poison by ingestion. When heated to decomposition it emits very toxic fumes of Fand T1. See also THALLIUM COMPOUNDS and FLUORIDES.
Hazard InformationBack Directory
[Chemical Properties]

white powder(s); ortho-rhomb; hard, shiny crystal(s); can deliquescent, e.g., if breathed upon, however reverts to anhydrous form in dry air; not typically hygroscopic; enthalpy of fusion 14.00kJ/mol [MER06] [STR93] [CRC10]
[Physical properties]

Hard shiny crystals; orthorhombic structure; density 8.23 g/cm3 at 4°C; melts at 327°C; begins to sublime at 300°C; vaporizes at 655°C; very soluble in water, 78.6 g/100mL at 15°C; decomposes in hot water; slightly soluble in alcohol.
[Uses]

In the preparation of fluoro esters.
[Uses]

Thallium(I) fluoride is used as chemical reagents, fine chemicals, pharmaceutical research and development.
[Hazard]

Highly toxic (See Thallium).
Questions And AnswerBack Directory
[Preparation]

Thallium fluoride is prepared by reacting thallium carbonate with hydrofluoric acid. Also, the compound can be made by reacting thallium metal with fluorine.
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Thallium(I) fluoride, 99%(7789-27-7)
[Alfa Aesar]

Thallium(I) fluoride, 97%(7789-27-7)
[Sigma Aldrich]

7789-27-7(sigmaaldrich)
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