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NITROGEN
TRIFLUORIDE

M.W. [1]

71.019

N.B.P [1]

144.14 K

T.P [1]

66.36 K

NF3

Pc [1]

4.4607 MPa

Tc [1]

234.00 K

Vc [1]

0.126263 m3/kmol

Note: In the tables, #RED is used for properties obtained from estimation methods. *,†Other colors are used to distinguish between differing data sets within a single column. If no uncertainty is specified, then no uncertainty was provided by the reference.

T

K

 semiprop equation

Vapor Pressure

MPa

B(T)

cmmol-1

dB/dT·T

cm3·mol-1

C(T)

cmmol-2

dC/dT·T

cmmol-2

λ

mW/(m·K)

η

µPa·s

Estimated
Uncertainty

0.1%/5%

-

Gas densities are calculated to better than 0.1% over the temperature and pressure ranges of the reference.

-

0.5%/-

Reference

1/2

-

1

1

1

1

1

1/3

200

5.15

-

-200.3

401.9

4067

23719

10.50

11.70

210

5.29

-

-181.6

367.7

5011

15370

11.29

12.28

220

5.42

-

-165.2

338.5

5581

9444

12.10

12.84

230

5.56

-

-150.7

313.2

5902

5206

12.92

13.40

240

5.69

-

-137.8

291.2

6056

2163

13.76

13.95

250

5.82

-

-126.3

271.9

6097

-26

14.62

14.49

260

5.95

-

-116.0

254.7

6064

-1596

15.48

15.02

270

6.08

-

-106.7

239.5

5982

-2714

16.36

15.56

280

6.21

-

-98.2

225.9

5868

-3500

17.24

16.08

290

6.33

-

-90.5

213.6

5735

-4040

18.12

16.60

300

6.45

-

-83.5

202.6

5592

-4398

19.02

17.11

310

6.57

-

-77.0

192.5

5443

-4619

19.91

17.62

320

6.69

-

-71.0

183.4

5295

-4739

20.80

18.12

330

6.80

-

-65.5

175.0

5148

-4784

21.70

18.62

340

6.91

-

-60.4

167.4

5005

-4773

22.59

19.11

350

7.02

-

-55.7

160.3

4868

-4720

23.48

19.59

360

7.12

-

-51.2

153.8

4736

-4637

24.37

20.07

370

7.22

-

-47.1

147.8

4610

-4532

25.25

20.60

380

7.31

-

-43.2

142.2

4491

-4412

26.13

22.22

390

7.40

-

-39.6

137.0

4378

-4282

27.00

22.70

400

7.49

-

-36.2

132.1

4271

-4145

27.87

23.18

410

7.56

-

-33.0

127.6

4170

-4005

28.73

23.65

420

7.64

-

-30.0

123.3

4076

-3863

29.59

24.11

430

7.674

-

-27.1

119.4

3986

-3722

30.44

24.57

440

7.746

-

-24.4

115.6

3902

-3582

31.28

25.03

450

7.815

-

-21.9

112.1

3823

-3444

32.12

25.48

460

7.882

-

-19.4

108.8

3749

-3310

32.95

25.93

470

7.946

-

-17.1

105.6

3679

-3179

33.77

26.37

480

8.008

-

-15.0

102.7

3614

-3052

34.59

26.81

490

8.068

-

-12.9

99.9

3552

-2929

35.41

27.25

500

8.126

-

-10.9

97.2

3494

-2810

36.21

27.68

550

8.396

-

-2.2

85.7

3252

-2281

40.20

29.77

600

8.650

-

4.9

76.6

3073

-1849

44.17

31.79

650

8.917

-

10.7

69.2

2939

-1500

48.25

33.73

700

9.224

-

15.6

63.1

2839

-1217

52.61

35.59

750

9.601

-

19.8

57.9

2763

-986

57.46

37.40

800

-

-

23.4

53.6

2705

-798

-

-

850

-

-

26.5

49.8

2662

-642

-

-

900

-

-

29.3

46.5

2629

-513

-

-

950

-

-

31.7

43.6

2604

-406

-

-

1000

-

-

33.9

41.1

2586

-316

-

-



References:

  1. Lemmon, E.W. and McLinden, M.O., NIST Standard Reference Database 23: NIST Reference Fluid Thermodynamic and Transport Properties, Version 7.0, National Institute of Standards and Technology, Standard Reference Data Program, Gaithersburg, 2001.
  2. Hurly, J.J., Int. J. Thermophys. (23, 667, 2002).
  3. Hurly, J.J., "The Viscosity and Speed of Sound in Gaseous Nitrous Oxide and Nitrogen Trifluoride Measured wth a Greenspan Viscometer", Int. J. Thermophys., (2004, v25, 625).



 
Footnote:

#RED is used for properties obtained from estimation methods.
*BLUE, ORANGE Other colors are used to distinguish between differing data sets within a single column.




Contacts:

Keith Gillis
301-975-2468
keith.gillis@nist.gov

Michael Moldover
301-975-2459
michael.moldover@nist.gov

100 Bureau Drive, M/S 8360
Gaithersburg, MD 20899-8360