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| CAS No.: | 10031-27-3 |
|---|---|
| Name: | TELLURIUM TETRABROMIDE |
| Article Data: | 53 |
| Molecular Structure: | |
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|
|
| Formula: | Br4Te |
| Molecular Weight: | 447.216 |
| Synonyms: | Telluriumbromide (TeBr4) (6CI,7CI,8CI); Telluric bromide; Tellurium tetrabromide;Tellurium(IV) tetrabromide; Tetrabromotellurium |
| EINECS: | 233-090-7 |
| Density: | 4.3 g/mL at 25 °C(lit.) |
| Melting Point: | ~380 °C(lit.) |
| Boiling Point: | 420 °C(lit.) |
| Flash Point: | 420°C |
| Solubility: | It reacts with water and ethanol. |
| Appearance: | yellow-orange crystals. |
| Hazard Symbols: | As for tellurium. |
| Risk Codes: | 34 |
| Safety: | Reaction with ammonia forms a heat-sensitive explosive product. When heated to decomposition it emits toxic fumes of Br− and Te. See also TELLURIUM COMPOUNDS and BROMIDES. |
| Transport Information: | UN 3260 8 |
| PSA: | 0.00000 |
| LogP: | 3.00160 |
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Chemistry
Molecular Structure of Tellurium tetrabromide (CAS NO.10031-27-3):
EINECS: 233-090-7
Molecular Formula: Br4Te
Molecular Weight: 447.216000 g/mol
H-Bond Donor: 0
H-Bond Acceptor: 0
InChI: InChI=1S/Br4Te/c1-5(2,3)4
InChIKey: PTYIPBNVDTYPIO-UHFFFAOYSA-N
Density: 4.3 g/mL at 25 °C(lit.)
Flash Point: 420 °C
Boiling Point: 420 °C(lit.)
Melting Point: ~380 °C(lit.)
Water Solubility: 42.64 mg/L at 25 °C
Sensitive: Moisture
Safety Profile
Safety Information of Tellurium tetrabromide (CAS NO.10031-27-3):
Hazard Codes: C 
Risk Statements: 34
R34:Causes burns
Safety Statements: 22-26-27-36/37/39-45
S22:Do not breathe dust
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27:Take off immediately all contaminated clothing
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3260 8/PG 2
WGK Germany: 3
HazardClass: 8
PackingGroup: II
Reaction with ammonia forms a heat-sensitive explosive product. When heated to decomposition it emits toxic fumes of Br− and Te. See also TELLURIUM COMPOUNDS and BROMIDES.
Specification
Tellurium tetrabromide with CAS registry number of 10031-27-3 is an inorganic chemical compound, also known as Tellurium bromide (TeBr4), (T-4)- . It is yellow-orange crystals with a similar tetrameric structure to TeCl4 . It can be made by reaction of bromine with tellurium . Tellurium tetrabromide is a conductor when molten, dissociating into the ions TeBr3+ and Br- . Solutions in benzene and toluene are non conducting and the product is present as the tetramer. However, in solvents with donor properties, complexes are formed which can make the solution conducting.