RefrigerantASHRAE R-514A

R514A PT Chart

Q: What does the B1 safety class mean?

In ASHRAE Standard 34, B means higher toxicity (an occupational exposure limit below 400 ppm) and 1 means no flame propagation. R-123 is also B1.

Q: What is the R-1130(E) component?

R-1130(E) is trans-1,2-dichloroethene (CHCl=CHCl).

Q: Is R-514A subject to phase-down?

No. It contains no regulated HFC, so the AIM Act phase-down and 40 CFR 84.54 do not apply to it[aimact, 42 U.S.C. 7675(c)(1)]; EPA's reference table gives its GWP as 3.

Updated October 13, 2026

R-514A

B1 Higher toxicity, no flame propagation

Illustration of a refrigerant cylinder painted light green gray (RAL 7044), the color AHRI Guideline N-2017 calls for on all new refrigerant containers from 2020^{[1], section 4.8}. Label: R-514A, safety class B1, GWP 3. No red band: AHRI Guideline N-2017 reserves it for flammable refrigerants^{[1], section 4.7}.

R-1336mzz(Z)/R-1130(E) (74.7/25.3)

Azeotropic blend (ASHRAE 500 series) of 74.7% R-1336mzz(Z) and 25.3% R-1130(E), trans-1,2-dichloroethene, by mass^[4]. Sold by Chemours as Opteon™ XP30^[7]. Safety class B1: higher toxicity, no flame propagation^[3]. GWP 3 in EPA's reference table^[5]. EPA names it among the alternatives to HCFC-123 for new chillers^[10] and lists it as acceptable in new and retrofitted centrifugal chillers^[6].

R-514A saturation pressure is 18.8 in. Hg vacuum at 40°F, 7.7 in. Hg vacuum at 70°F, and 5.3 PSIG at 100°F. These are the gauge readings on a static, fully-saturated system; a running system's high side sits well above them. The full table below runs from 32°F to 150°F in 1°F steps.

Transcribed from Chemours' Opteon™ XP30 pressure-temperature charts: C-10867 (6/16), 32°F to 150°F in 1°F steps^[8], and C-10869 (6/16), 0°C to 66°C in 1°C steps^[9]; the two charts agree to within 0.01 psi. CoolProp 8.0.0's mixture model^[2] differs from them by up to 0.21 psi (at 73°F), or 1.4°F in saturation temperature (at 33°F).

Saturation @ 70°F

7.7 in. Hg vac.

GWP (100-yr)

3 US EPA Technology Transitions GWP reference table

Temperature glide

under 0.1°F

Boiling point

84.4°F

Sourced facts

ASHRAE safety class: B1^[3]
Composition (mass): 74.7% R-1336mzz(Z) / 25.3% R-1130(E)^[4]
GWP (100-yr): 3^[5]
ODP: 0.00006^[6]
Normal boiling point: 84.4°F (29.1°C)^[7]
Temperature glide: under 0.1°F at a 40°F dew point^[2]

R-514A PT calculator Superheat

R-514A PT chart — printable saturation table

Looking for the R-514A PT chart PDF for shop reference? The complete pressure-temperature saturation table is below: every 1° increment from 32°F to 150°F and from 0°C to 66°C. Chemours' charts start at 32°F (0°C), so the table has no rows below that. Use the Print / Save as PDF button in the table header to download a clean, table-only PDF (the rest of the page is hidden from the print output).

R-514A PT Chart — Pressure-Temperature Saturation Table

Transcribed from Chemours' Opteon™ XP30 charts C-10867 and C-10869, in 1° steps · hvacptcharts.com

R-514A · 1° increments · °F / PSIG

Tinted rows: NBP atmospheric crossover · 32°F H₂O freeze

R-514A pressure-temperature saturation table in Fahrenheit and PSIG
Temp (°F)	Pressure (PSIG)
32°F H₂O freeze	20.8 in. Hg vac.
33°F	20.6 in. Hg vac.
34°F	20.3 in. Hg vac.
35°F	20.1 in. Hg vac.
36°F	19.8 in. Hg vac.
37°F	19.6 in. Hg vac.
38°F	19.3 in. Hg vac.
39°F	19.0 in. Hg vac.
40°F	18.8 in. Hg vac.
41°F	18.5 in. Hg vac.
42°F	18.2 in. Hg vac.
43°F	17.9 in. Hg vac.
44°F	17.6 in. Hg vac.
45°F	17.3 in. Hg vac.
46°F	17.0 in. Hg vac.
47°F	16.7 in. Hg vac.
48°F	16.4 in. Hg vac.
49°F	16.1 in. Hg vac.
50°F	15.7 in. Hg vac.
51°F	15.4 in. Hg vac.
52°F	15.1 in. Hg vac.
53°F	14.7 in. Hg vac.
54°F	14.4 in. Hg vac.
55°F	14.0 in. Hg vac.
56°F	13.6 in. Hg vac.
57°F	13.3 in. Hg vac.
58°F	12.9 in. Hg vac.
59°F	12.5 in. Hg vac.
60°F	12.1 in. Hg vac.
61°F	11.7 in. Hg vac.
62°F	11.3 in. Hg vac.
63°F	10.9 in. Hg vac.
64°F	10.4 in. Hg vac.
65°F	10.0 in. Hg vac.
66°F	9.5 in. Hg vac.
67°F	9.1 in. Hg vac.
68°F	8.7 in. Hg vac.
69°F	8.2 in. Hg vac.
70°F	7.7 in. Hg vac.
71°F	7.2 in. Hg vac.
72°F	6.7 in. Hg vac.
73°F	6.2 in. Hg vac.
74°F	5.7 in. Hg vac.
75°F	5.2 in. Hg vac.
76°F	4.7 in. Hg vac.
77°F	4.2 in. Hg vac.
78°F	3.6 in. Hg vac.
79°F	3.1 in. Hg vac.
80°F	2.5 in. Hg vac.
81°F	1.9 in. Hg vac.
82°F	1.4 in. Hg vac.
83°F	0.8 in. Hg vac.
84°F NBP (atmospheric)	0.2 in. Hg vac.
85°F	0.2
86°F	0.5
87°F	0.8
88°F	1.1
89°F	1.5
90°F	1.8
91°F	2.1
92°F	2.4
93°F	2.8
94°F	3.1
95°F	3.5
96°F	3.8
97°F	4.2
98°F	4.5
99°F	4.9
100°F	5.3
101°F	5.7
102°F	6.1
103°F	6.4
104°F	6.8
105°F	7.2
106°F	7.7
107°F	8.1
108°F	8.5
109°F	8.9
110°F	9.4
111°F	9.8
112°F	10.2
113°F	10.7
114°F	11.2
115°F	11.6
116°F	12.1
117°F	12.6
118°F	13.1
119°F	13.6
120°F	14.1
121°F	14.6
122°F	15.1
123°F	15.6
124°F	16.1
125°F	16.7
126°F	17.2
127°F	17.7
128°F	18.3
129°F	18.9
130°F	19.4
131°F	20.0
132°F	20.6
133°F	21.2
134°F	21.8
135°F	22.4
136°F	23.0
137°F	23.6
138°F	24.3
139°F	24.9
140°F	25.6
141°F	26.2
142°F	26.9
143°F	27.5
144°F	28.2
145°F	28.9
146°F	29.6
147°F	30.3
148°F	31.0
149°F	31.8
150°F	32.5

R-514A pressure-temperature saturation table in Celsius and kPa
Temp (°C)	Pressure (kPa)
0°C H₂O freeze	−70
1°C	−69
2°C	−67
3°C	−66
4°C	−64
5°C	−63
6°C	−61
7°C	−59
8°C	−57
9°C	−55
10°C	−53
11°C	−51
12°C	−49
13°C	−47
14°C	−45
15°C	−42
16°C	−40
17°C	−37
18°C	−35
19°C	−32
20°C	−29
21°C	−26
22°C	−23
23°C	−20
24°C	−17
25°C	−14
26°C	−11
27°C	−7
28°C	−4
29°C NBP (atmospheric)	0
30°C	4
31°C	7
32°C	11
33°C	15
34°C	20
35°C	24
36°C	28
37°C	33
38°C	37
39°C	42
40°C	47
41°C	52
42°C	57
43°C	63
44°C	68
45°C	74
46°C	79
47°C	85
48°C	91
49°C	98
50°C	104
51°C	110
52°C	117
53°C	124
54°C	131
55°C	138
56°C	145
57°C	153
58°C	160
59°C	168
60°C	176
61°C	184
62°C	193
63°C	201
64°C	210
65°C	219
66°C	228

Chemours charts C-10867 and C-10869 · PSIG/kPa = gauge · PSIA = PSIG + 14.6959 · kPa(abs) = kPa(gauge) + 101.325

Full saturation values at 1° increments. Toggle between °F / PSIG and °C / kPa. Use Print / Save as PDF for laminated shop reference, or download the CSV / JSON below for use in other tools. R-514A PT chart data: Chemours' Opteon™ XP30 pressure-temperature charts C-10867 (6/16) and C-10869 (6/16) — see the source citations above.

Higher toxicity, no flame propagation

Higher toxicity (Occupational Exposure Limit < 400 ppm). No flame propagation. R-123, R-245fa, R-514A are B1.

Flammability: None
Toxicity: Higher (OEL < 400 ppm)

Classification per ANSI/ASHRAE Standard 34-2022^{[3], safety group definitions and refrigerant safety classifications}. See full reference.

Saturation pressure-temperature curve

Pressure

Temperature

Highlight at°F

Quick lookup — R-514A

Temp:°F

−3.8PSIG(−26 kPa)

Range: 32 to 150°F Open full PT calculator →

Common service temperatures

32°F

−10PSIG

Freezing

45°F

−9PSIG

Heat-pump heat

70°F

−4PSIG

Standard

75°F

−3PSIG

Test ref

80°F

−1PSIG

Warm

95°F

3PSIG

Summer peak

Saturation values from Chemours' Opteon™ XP30 pressure-temperature chart^[8].

Equation-of-state and mixture-model references

Equation of state, R-1336mzz(Z): McLinden, M. O.; Akasaka, R. Thermodynamic Properties of cis-1,1,1,4,4,4-Hexafluorobutene [R-1336mzz(Z)]: Vapor Pressure, (p, ρ, T) Behavior, and Speed of Sound Measurements and Equation of State. J. Chem. Eng. Data 65, 4201–4214 (2020). https://doi.org/10.1021/acs.jced.9b01198
Equation of state, R-1130(E): Huber, M. L.; Kazakov, A. F.; Lemmon, E. W. Equation of State for the Thermodynamic Properties of trans-1,2-Dichloroethene [R-1130(E)]. Int. J. Thermophys. 46, 76 (2025). https://doi.org/10.1007/s10765-025-03535-3
Mixture model, R-1336mzz(Z)/R-1130(E): McLinden, M. O. et al. Refrigerant Properties Development R&D: Final Report to U.S. Department of Energy on Interagency Agreements 892434-19-S-EE000031 and 892434-23-S-EE000120. NIST IR 8570 (2025). https://doi.org/10.6028/NIST.IR.8570

At a glance

Chemistry

R-1336mzz(Z)/R-1130(E) (74.7/25.3)

Binary HFO/HCO blend

Lubricant compatibility

POEPVEMO

GWP 3 in EPA's reference table^[5]; acceptable under SNAP in new and retrofitted centrifugal chillers^[6]. Safety class B1: higher toxicity, no flame propagation^[3].

Blend composition

R-1336mzz(Z) 74.7%
R-1130(E) 25.3%

Trade names

Opteon™ XP30 — Chemours^[7]

Common applications

Centrifugal chillers, new and retrofit (EPA SNAP: acceptable)^[6]
Alternative to HCFC-123 in new chillers^{[10], Planning for the Future Is Important}

Properties

Boiling point (1 atm)
bubble 84.4°F (29.1°C), dew 84.4°F (29.1°C)
Critical point
No single point — blend critical locus
Molar mass
139.60 g/mol
Temperature glide
under 0.1°F
ODP
0.00006
GWP (100-yr)
3 US EPA Technology Transitions GWP reference table IPCC: AR4 not assessed · AR5 not assessed · AR6 not assessed
New-equipment status (US)
Not an AIM Act regulated substance; 40 CFR 84.54 GWP limits don't apply.

What is R-514A?

R-514A is an azeotropic blend of 74.7% R-1336mzz(Z) and 25.3% R-1130(E) (trans-1,2-dichloroethene) by mass^[4]. EPA's HCFC-123 guidance names R-514A among the SNAP-listed alternatives for new chillers^[10].

ASHRAE 34 places the blend in class B (higher toxicity) rather than class A (lower toxicity).^{[3], safety group definitions}

Where R-514A is used

Centrifugal chillers, new and retrofit^[6]

Regulatory & phase-down status

R-514A contains no regulated HFC, so the AIM Act phase-down and the 40 CFR 84.54 limits do not apply to it^{[11], 42 U.S.C. 7675(c)(1)}. EPA's reference table gives its GWP as 3^[5], and EPA's SNAP table gives an ODP of 0.00006^[6].

Service notes

Its saturation pressure is below atmospheric up to about 84.4°F (29.1°C), its normal boiling point^[7] — 18.8 in. Hg vacuum at 40°F^[8].

Operating cycle

Phase-down timeline

R-514A is not an AIM Act regulated substance (not one of the 18 HFCs in 42 U.S.C. 7675(c), and not a blend containing one). The 40 CFR 84.54 GWP limits don't apply.

Global warming potential, in context

Low-pressure centrifugal chillers

Retrofit and replacement paths

R-514A replaces

R-123 B1 · GWP 77

R-514A vs R-123: saturation pressure

Saturation pressure (PSIG, gauge) for R-514A vs R-123. Sources: R-514A: Chemours chart C-10867; R-123: CoolProp 7.2.0 dataset.
Temp	R-514A	R-123
40°F	18.8 in. Hg vac.	18.2 in. Hg vac.
70°F	7.7 in. Hg vac.	6.6 in. Hg vac.
100°F	5.3	6.1

Frequently asked

›What does the B1 safety class mean?

In ASHRAE Standard 34, B means higher toxicity (an occupational exposure limit below 400 ppm) and 1 means no flame propagation^[3]. R-123 is also B1^[3].

›What is the R-1130(E) component?

R-1130(E) is trans-1,2-dichloroethene (CHCl=CHCl)^[4].

›Is R-514A subject to phase-down?

No. It contains no regulated HFC, so the AIM Act phase-down and 40 CFR 84.54 do not apply to it^{[11], 42 U.S.C. 7675(c)(1)}; EPA's reference table gives its GWP as 3^[5].

Download this dataset

Full PT table for R-514A · from Chemours' Opteon™ XP30 charts C-10867 and C-10869 · attribute the source

CSV JSON

Sources & citations

[1]
2017 Guideline for Assignment of Refrigerant Container Colors (AHRI Guideline N-2017). AHRI. 2017. https://www.ahrinet.org/system/files/2023-06/AHRI_Guideline_N_2017.pdf (accessed October 2, 2026)
[2]
CoolProp 8.0.0. CoolProp (I. H. Bell, J. Wronski, S. Quoilin, V. Lemort). https://coolprop.org/ (accessed October 2, 2026). Bell, I. H.; Wronski, J.; Quoilin, S.; Lemort, V. Pure and Pseudo-pure Fluid Thermophysical Property Evaluation and the Open-Source Thermophysical Property Library CoolProp. Ind. Eng. Chem. Res. 53, 2498–2508 (2014). https://doi.org/10.1021/ie4033999
[3]
ANSI/ASHRAE Standard 34-2022, Designation and Safety Classification of Refrigerants (free read-only version). ASHRAE. 2022. https://www.ashrae.org/technical-resources/standards-and-guidelines/read-only-versions-of-ashrae-standards (accessed October 2, 2026)
[4]
ASHRAE Refrigerant Designations. ASHRAE. web page, updated May 25, 2021. https://www.ashrae.org/technical-resources/standards-and-guidelines/ashrae-refrigerant-designations (accessed October 2, 2026)
[5]
Technology Transitions GWP Reference Table. US EPA. updated April 2, 2026. https://www.epa.gov/hfcs/technology-transitions-gwp-reference-table (accessed October 2, 2026)
[6]
Substitutes in Centrifugal Chillers. US EPA (SNAP). last updated March 19, 2026. https://www.epa.gov/snap/substitutes-centrifugal-chillers (accessed October 5, 2026)
[7]
Thermodynamic Properties of Opteon™ XP30 (R-514A), Engineering (I/P) Units. Chemours. undated. https://www.opteon.com/en/-/media/files/opteon/opteon-xp30-thermo-properties-eng.pdf?rev=9b1d06897b8c4e45b50417bfd652adbe (accessed October 5, 2026)
[8]
Opteon™ XP30 and Freon™ 123 Pressure-Temperature Data (Eng). Chemours. C-10867 (6/16). https://www.opteon.com/en/-/media/files/opteon/opteon-xp30-pressure-temp-data-eng.pdf (accessed October 5, 2026)
[9]
Opteon™ XP30 and Freon™ 123 Pressure-Temperature Data (SI). Chemours. C-10869 (6/16). https://www.opteon.com/en/-/media/files/opteon/opteon-xp30-pressure-temp-data-si.pdf (accessed October 12, 2026)
[10]
Management of HCFC-123 through the Phaseout and Beyond. US EPA. August 2020. https://www.epa.gov/sites/default/files/2020-08/documents/us_management_of_hcfc-123.pdf (accessed October 2, 2026)
[11]
42 U.S.C. 7675 — American Innovation and Manufacturing Act. US Code (via Cornell LII). current. https://www.law.cornell.edu/uscode/text/42/7675 (accessed October 2, 2026)