T K		Vapor Pressure kPa	B(T) cm3·mol-1	dB/dT · T cm3·mol-1	C(T) cm6·mol-2	dC/dT · T cm6·mol-2	mW/(m·K)	µPa·s
Estimated Uncertainty	1% /0.1%	1%	Gas densities are calculated to better than 0.1% over the temperature and pressure ranges of the reference.				10%	10%
Reference	[6]/[7]	[8]	[7]	[7]	[7]	[7]	[7]	[7]
290	7.45	119	-780.9	1760.5	-138842	1531523	7.4	12.0
295	7.49	141	-751.4	1685.1	-114510	1320367	7.5	12.2
300	7.53	166	-723.7	1614.9	-93866	1140490	7.7	12.3
305	7.57	195	-697.5	1549.6	-76314	986761	7.8	12.5
310	7.62	227	-672.8	1488.6	-61365	854979	7.9	12.6
315	7.66	263	-649.5	1431.6	-48611	741684	8.1	12.8
320	7.70	303	-627.4	1378.2	-37717	644020	8.2	13.0
340	7.85	508	-549.5	1195.3	-7749	367768	8.8	13.6
360	7.99	799	-485.5	1050.6	8360	208501	9.4	14.2
380	8.12	1195	-431.9	934.1	16889	114183	9.9	14.9
400	8.25	1719	-386.5	838.6	21178	57261	10.5	15.5
420	8.36	2397	-347.5	759.1	23062	22529	11.0	16.2
440	8.46	3264	-313.8	692.2	23580	1292	11.6	16.8
450	8.51	3781	-298.6	662.6	23524	-5958	11.9	17.1
460	8.55	-	-284.3	635.2	23329	-11574	12.1	17.4
480	8.66	-	-258.4	586.2	22661	-19171	12.7	18.1
500	8.74	-	-235.3	543.6	21784	-23414	13.3	18.7
550	8.91	-	-187.7	458.6	19357	-26247	14.6	20.3
600	9.05	-	-150.7	395.2	17136	-24375	16.0	21.9
650	9.17	-	-121.0	346.2	15307	-21206	17.3	23.4
700	9.26	-	-96.8	307.5	13856	-17943	18.6	25.0
750	9.34	-	-76.7	276.1	12722	-14986	19.9	26.5
800	9.41	-	-59.8	250.2	11838	-12436	21.2	28.0
850	9.47	-	-45.3	228.4	11151	-10284	22.4	29.5
900	9.52	-	-32.8	210.0	10615	-8485	23.6	30.9
950	9.56	-	-21.8	194.1	10198	-6987	24.8	32.3
1000	9.60	-	-12.3	180.3	9872	-5739	26.0	33.7

References:

1. IUPAC; "Atomic Weights of the Elements 1993"; J. Phys. Chem. Ref. Data 1995, 24, 1561.
2. Handbook of Chemistry and Physics, 62nd ed.; the Chemical Rubber Co., Cleveland, Ohio, 1981.
3. Predicted by Project Staff at The Pennsylvania State University using either published or internal methods.
4. R. E. Jr. Lynn, K. A. Kobe, "The Critical Properties of Elements and Compounds", Chem. Rev. 1953, 52, 117.
5. Matheson Gas Data Book, unabridged ed.; Matheson Company, Inc., East Rutherford, New Jersey, 1974 4 vols.
6. "JANAF Thermochemical Tables", J. Phys. Chem. Ref. Data 1978, 7, 793. 1978 Supplement.
7. J. J. Hurly, Thermophysical Properties of Gaseous HBr and BCl₃ from Speed-of-Sound Measurements, Int. J. Thermophys, IN PRESS.
8. D. R. Stull, "Vapor Pressure of Pure Substances"; Ind. Eng. Chem. 1947, 39, 517.

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