Page:NIOSH Manual of Analytical Methods - 1501.pdf/5

 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