VOLATILE ORGANIC COMPOUNDS (SCREENING): METHOD 2549, Issue 1, dated 15 May 1996 - Page 4 of 8
TABLE 1. COMMON VOLATILE ORGANIC COMPOUNDS WITH MASS SPECTRAL DATA Compound /Synonyms
CAS# RTECS
Empirical Formula
MWa
BPb ( C)
VPc @ 25 C mm Hg kPa
Characteristic Ions, m/z
80.1
95.2
78*
Aromatic Hydrocarbons Benzene /benzol
71-43-2 CY1400000
C6H6
78.11
Xylene /dimethyl benzene
1330-20-7 ZE2100000
C8H10
106.7
12.7
91, 106*, 105
o-xylene
144.4
6.7
0.9
m-xylene
139.1
8.4
1.1
p-xylene
138.4
8.8
1.2
Toluene /toluol
108-88-3 XS5250000
C7H8
92.14
110.6
28.4
3.8
91, 92*
Aliphatic Hydrocarbons n-Pentane
109-66-0 RZ9450000
C5H12
72.15
36.1
512.5
68.3
43, 72*, 57
n-Hexane /hexyl-hydride
110-54-3 MN9275000
C6H14
86.18
68.7
151.3
20.2
57, 43, 86*, 41
n-Heptane
142-82-5 MI7700000
C7H16
100.21
98.4
45.8
6.1
43, 71, 57, 100*,41
n-Octane
111-65-9 RG8400000
C8H18
114.23
125.7
14.0
1.9
43, 85, 114*, 57
n-Decane /decyl hydride
124-18-5 HD6500000
C10H22
142.29
174
1.4
0.2
43, 57, 71, 41, 142*
Acetone /2-propanone
67-64-1 AL3150000
C3H6O
58.08
56
266
35.5
43, 58*
2-Butanone /methyl ethyl ketone
78-93-3 EL6475000
C4H8O
72.11
79.6
100
13
43, 72*
Methyl isobutyl ketone /MIBK, hexone
108-10-1 SA9275000
C6H12O
100.16
117
15
2
43, 100*, 58
Cyclohexanone /cyclohexyl ketone
108-94-1 GW1050000
C6H10O
98.15
155
2
0.3
55, 42, 98*, 69
Methanol /methyl alcohol
67-56-1 PC1400000
CH3OH
32.04
64.5
115
15.3
31, 29, 32*
Ethanol /ethyl alcohol
64-17-5 KQ6300000
C2H5OH
46.07
78.5
42
5.6
31, 45, 46*
Isopropanol /1-methyl ethanol
67-63-0 NT8050000
C3H7OH
60.09
82.5
33
4.4
45, 59, 43
Butanol /butyl alcohol
71-36-3 EO1400000
C4H9OH
74.12
117
4.2
0.56
56, 31, 41, 43
Ketones
Alcohols
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 5/15/96
