丙二醇水溶液因为其无毒、无腐蚀等性质，在诸多领域作为载冷剂应用。其物理性质对设备和系统的设计都十分重要，下面是二醇水溶液的冰点和沸点与其浓度的关系。（数据来源ASHRAE手册2005）

丙二醇浓度		冰点	沸点
质量浓度	体积浓度	℃	100.7KPa
0.0	0.0	0.0	100.0
5.0	4.8	-1.6	100.0
10.0	9.6	-3.3	100.0
15.0	14.5	-5.1	100.0
20.0	19.4	-7.1	100.6
21.0	20.4	-7.6	100.6
22.0	21.4	-8.0	100.6
23.0	22.4	-8.6	100.6
24.0	23.4	-9.1	100.6
25.0	24.4	-9.6	101.1
26.0	25.3	-10.2	101.1
27.0	26.4	-10.8	101.1
28.0	27.4	-11.4	101.7
29.0	28.4	-12.0	101.7
30.0	29.4	-12.7	102.2
31.0	30.4	-13.4	102.2
32.0	31.4	-14.1	102.2
33.0	32.4	-15.6	102.2
34.0	33.5	-16.4	102.2
35.0	34.4	-17.3	102.8
36.0	35.5	-18.2	102.8
37.0	36.5	-19.1	102.8
38.0	37.5	-20.1	103.3
39.0	38.5	-21.1	103.3
40.0	39.5	-22.1	103.9
41.0	40.5	-23.2	103.9
42.0	41.5	-24.3	103.9
43.0	42.5	-25.5	103.9
44.0	43.7	-26.7	103.9
45.0	44.7	-27.9	104.4
46.0	45.7	-29.3	104.4
47.0	46.8	-30.6	104.4
48.0	47.8	-32.1	105.0
49.0	48.9	-33.5	105.0
50.0	49.9	-36.6	105.6
51.0	50.9	-38.2	105.6
52.0	51.9	-39.8	105.6
53.0	53.0	-41.6	106.1
54.0	54.0	-43.3	106.1
55.0	55.0	-45.2	106.1
56.0	56.0	-47.1	106.1
57.0	57.0	-49.0	106.7
58.0	58.0	-51.1	106.7
59.0	59.0	59.0	106.7
60.0	60.0		107.2
65.0	65.0		108.3
70.0	70.0		110.0
75.0	75.0		113.9
80.0	80.0		118.3
85.0	85.0		125.0
90.0	90.0		132.2
95.0	95.0		154.4