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LIQUID SOUND SPEEDS
Note: All the following sound speeds are calculated at 25°C.
The speed of sound in liquids at temperatures other than 25°C is calculated as follows.
Example:
Substance Form
Index
Specific
Gravity
Sound
Speed
Δv/ºC -
m/s/ºC
Glycol C
2
H
6
O
2
1.113 1658 2.1
Water, distilled (49,50) H
2
O 0.996 1498 -2.4
For every 1°C higher than 25°C take off the value in the Δv/°C- m/s/°C column.
Glycol at 50°C = 1658 - (2.1 x 25) = 1605.5
For every 1°C less than 25°C add on the value in the Δv/°C- m/s/°C column.
Glycol at 5°C = 1658 + (2.1 x 20) = 1700
If the value has a minus sign in front of it then do the opposite of above.
Distilled Water at 50°C = 1498 - (-2.4 x 25) =1558
Distilled Water at 10°C = 1498 + (-2.4 x 15) = 1462
Substance Form Index Specific Gravity Sound Speed
Δv/ºC -m/s/ºC
Acetic anhydride (22) (CH
3
CO)
2
O 1.082 (20ºC) 1180 2.5
Acetic acid, anhydride (22) (CH
3
CO)
2
O 1.082 (20ºC) 1180 2.5
Acetic acid, nitrile C
2
H
3
N 0.783 1290 4.1
Acetic acid, ethyl ester (33) C
4
H
8
O
2
0.901 1085 4.4
Acetic acid, methyl ester C
3
H
6
O
2
0.934 1211
Acetone C
3
H
6
O 0.791 1174 4.5
Acetonitrile C
2
H
3
N 0.783 1290 4.1
Acetonylacetone C
6
H
10
O
2
0.729 1399 3.6
Acetylene dichloride C
2
H
2
C
l2
1.26 1015 3.8
Acetylene tetrabromide (47) C
2
H
2
Br
4
2.966 1027
Acetylene tetrachloride (47) C
2
H
2
Cl
4
1.595 1147
Alcohol C
2
H
6
O 0.789 1207 4.0
Alkazene-13 C
15
H
24
0.86 1317 3.9
Alkazene-25 C
10
H
12
Cl
2
1.20 1307 3.4
2-Amino-ethanol C
2
H
7
NO 1.018 1724 3.4
2-Aminotolidine (46) C
7
H
9
N 0.999 (20ºC) 1618
4-Aminotolidine (46) C
7
H
9
N 0.966 (45ºC) 1480
Ammonia (35) NH
3
0.771 1729 6.68
Amorphous Polyolefin 0.98 962.6
t-Amyl alcohol C
5
H
12
O 0.81 1204
Aminobenzene (41) C
6
H
5
NO
2
1.022 1639 4.0
Aniline (41) C
6
H
5
NO
2
1.022 1639 4.0
Argon (45) Ar 1.400 (-188ºC) 853
Azine C
6
H
5
N 0.982 1415 4.1
Benzene (29,40,41) C
6
H
6
0.879 1306 4.65
Benzol (29,40,41) C
6
H
6
0.879 1306 4.65
Bromine (21) Br
2
2.928 889 3.0
Bromo-benzene (46) C
6
H
5
Br 1.522 1170
1-Bromo-butane (46) C
4
H
9
Br 1.276 (20ºC) 1019
Bromo-ethane (46) C
2
H
5
Br 1.460 (20ºC) 900
Bromoform (46,47) CHBr
3
2.89 (20ºC) 918 3.1
n-Butane (2) C
4
H
10
0.601 (0ºC) 1085 5.8
2-Butanol C
4
H
10
O 0.81 1240 3.3
sec-Butylalcohol C
4
H
10
O 0.81 1240 3.3
n-Butyl bromide (46) C
4
H
9
Br 1.276 (20ºC) 1019
n-Butyl chloride (22,46) C
4
H
9
Cl 0.887 1140 4.57
tert Butyl chloride C
4
H
9
Cl 0.84 984 4.2
Butyl oleate C
22
H
42
O
2
1404 3.0
2,3 Butylene glycol C
4
H
10
O
2
1.019 1484 1.51
Cadmium (7) Cd 2237.7
Carbinol (40,41) CH
4
O 0.791 (20ºC) 1076 2.92
Carbitol C
6
H
14
O
3
0.988 1458
Carbon dioxide (26) CO
2
1.101 (-37ºC) 839 7.71
Carbon disulphide CS
2
1.261 (22ºC) 1149
Carbon tetrachloride(33,35,47) CCl
4
1.595 (20ºC) 926 2.48
Carbon tetrafluoride (14) CF
4
1.75 (-150ºC) 875.2 6.61
Cetane (23) C
16
H
34
0.773 (20ºC) 1338 3.71
Chloro-benezene C
6
H
5
Cl 1.106 1273 3.6
1-Chloro-butane (22,46) C
4
H
9
Cl 0.887 1140 4.57
Chloro-diFluoromethane (3) (Freon 22) CHClF
2
1.491 (-69ºC) 893.9 4.79
Chloroform (47) CHCl
3
1.489 979 3.4
1-Chloro-propane (47) C
3
H
7
Cl 0.892 1058
Chlorotrifluoromethane (5) CClF
3
724 5.26
15