HYD RO CAR BO NS, AR OM ATIC : MET HO D 150 1, Issue 3, dated 15 M arch 200 3 - page 5 of 7 TABLE 1. SYNONY MS, FORM ULA, MO LECULAR WEIGHT , PROPERTIES Empirical Formula
Molecular Weight
Boiling Point (o C)
Vapor Pressure @ 25 o C (mm Hg)
(kPa)
Density @ 20 o C (g/mL)
C6 H6
78.11
80.1
95.2
12.7
0.879
p-tert-butyltoluene CAS #98-51-1 RTECS XS8400000 1-tert-butyl-4-methylbenzene
C1 1 H1 6
148.25
192.8
0.7
0.09
0.861
cumene CAS #98-82-8 RTECS GR8575000 isopropylbenzene
C9 H1 2
120.20
152.4
4.7
0.63
0.862
ethylbenzene CAS #100-41-4 RTECS DA0700000
C8 H1 0
106.17
136.2
9.6
1.28
0.867
"-methylstyrene CAS #98-83-9 RTECS WL5075300 isopropenylbenzene (1-methylethenyl)-benzene
C9 H1 0
118.18
165.4
2.5
0.33
0.909
$-methylstyrene CAS #873-66-5 RTECS DA8400500
C9 H1 0
118.18
175.0
—
—
0.911
toluene CAS #108-88-3 RTECS XS5250000 methylbenzene
C7 H8
92.14
110.6
28.4
3.79
0.867
C8 H1 0 (ortho) (meta) (para)
106.17 144.4 139.1 138.4
6.7 8.4 8.8
0.89 1.12 1.18
0.880 0.864 0.861
C8 H8
104.15
145.2
6.1
0.81
0.906
Name/Synonyms benzene CAS #71-43-2 RTECS CY1400000
xylenec CAS #1330-20-7 RTECS ZE2100000 dimethylbenzene (p-xylene) styrene CAS #100-42-5 RTECS WL3675000 vinylbenzene
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
