Group of substances:

Physical appearance:

Empirical formula (Hill's system for organic substances):

Structural formula as text:

Molar/atomic mass: 146.901

Melting point (°C):

Boiling point (°C):

CAS №: 25251-03-0

Density:

Synthesis 1:

0.2889 g (1.579 mmoles) of KBrO4 was placed in a Kel-F tube. The tube was evacuated on a Monel vacuum line and chilled with liquid nitrogen; ca. 5 g of HF and 1.2 g of SbF5 were vacuum distilled into it. The mixture was warmed to room temperature, agitated to dissolve the perbromate, and allowed to stand for 1 hr. The HF and SbF5 were then removed by absorption on sodium fluoride, leaving 0.0380 ± 0.0005 atm of gaseous product at 25°. The product contained no significant quantity of gas that could not be condensed in a liquid nitrogen bath. The condensed product weighed 0.2255 ± 0.001 g, corresponding to a 97% yield of BrO3F with an apparent molecular weight of 145 ± 2 (calcd 146.9).

Vapour pressure (Torr):

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

Standard molar entropy S⁰ (298.15 K, J/(mol·K)):

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

Standard molar entropy S⁰ (298.15 K, J/(mol·K)):

References:

1. Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 95
   
2. Inorganic Chemistry. - 1972. - Vol. 11, No. 4. - pp. 800-802
   
3. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 319 [Russian]
   
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   © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru