Cyanogen bromide
- Formula: CBrN
- Molecular weight: 105.921
- IUPAC Standard InChI: InChI=1S/CBrN/c2-1-3
- IUPAC Standard InChIKey: ATDGTVJJHBUTRL-UHFFFAOYSA-N
- CAS Registry Number: 506-68-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Bromine cyanide; Bromocyan; Bromocyanide; Bromocyanogen; Campilit; Cyanobromide; Cyanogen monobromide; BrCN; (CN)Br; Bromine cyanide (BrCN); Bromocyanide (BrCN); Bromure de cyanogen; Cyanogen bromide (BrCN); TL 822; Cyanogen bromide ((CN)Br); Rcra waste number U246; UN 1889; Bromine monocyanide; NSC 89684
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 45.23 | kJ/mol | V | Lord and Woolf, 1954 | Heat of hydrolysis; ALS |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 273.01 - 313.09 | 3.53667 | 727.385 | -130.052 | Lord and Woolf, 1954 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 45.2 ± 4.2 | 273. - 308. | MM | Lord and Woolf, 1954, 2 | See also Cox and Pilcher, 1970.; AC |
| 45.9 | 288. | N/A | Lord and Woolf, 1954, 2 | Based on data from 273. - 313. K. See also Boublik, Fried, et al., 1984.; AC |
| 47.0 | 256. - 308. | GS | Baxter, Bezzenberger, et al., 1920 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lord and Woolf, 1954
Lord, G.; Woolf, A.A.,
The cyanogen halides. Part III. Their heats of formation and free energies,
J. Chem. Soc., 1954, 2546-2551. [all data]
Lord and Woolf, 1954, 2
Lord, G.; Woolf, A.A.,
The cyanogen halides. Part III. Their heats of formation and free energies,
J. Chem. Soc., 1954, 2546, https://doi.org/10.1039/jr9540002546
. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Baxter, Bezzenberger, et al., 1920
Baxter, G.P.; Bezzenberger, F.K.; Wilson, C.H.,
THE VAPOR PRESSURES OF CERTAIN SUBSTANCES: CHLORO-PICRIN, CYANOGEN BROMIDE, METHYL-DICHLORO-ARSINE, PHENYL-DICHLORO-ARSINE, DIPHENYL-CHLORO-ARSINE AND ARSENIC TRICHLORIDE. 1,
J. Am. Chem. Soc., 1920, 42, 7, 1386-1393, https://doi.org/10.1021/ja01452a012
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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