Page:NIOSH Manual of Analytical Methods - 2549.pdf/6

 VOLATILE ORGANIC COMPOUNDS (SCREENING): METHOD 2549, Issue 1, dated 15 May 1996 - Page 6 of 8 Compound /Synonyms

CAS# RTECS

Empirical Formula

MWa

BPb ( C)

VPc @ 25 C

Benzaldehyde /benzoic aldehyde

100-52-7 CU4375000

C7H12O

106.12

179

1.0

0.1

77, 105, 106*, 51

Nonanal /pelargonic aldehyde

124-19-6 RA5700000

C9H18O

142.24

93

23

3

43, 44, 57, 98, 114

Ethyl acetate /acetic ether

141-78-6 AH5425000

C4H8O2

88.1

77

73

9.7

43, 88*, 61, 70, 73, 45

Butyl acetate /acetic acid butyl ester

123-86-4 AF7350000

C6H12O2

116.16

126

10

1.3

43, 56, 73, 61

Amyl acetate /banana oil

628-63-7 AJ1925000

C7H14O2

130.18

149

4

0.5

43, 70, 55, 61

556-67-2 GZ4397000

C8H24O4Si4

296.62

175

mm Hg kPa

Characteristic Ions, m/z

Acetates

Other Octamethylcyclotetrasiloxane

281, 282, 283

a

Molecular Weight Boiling Point c Vapor Pressure b
 * Indicates molecular ion

APPENDIX Multi-bed sorbent tubes: Other sorbent combinations and instrumentation/conditions shown to be equivalent may be substituted for those listed below. In particular, if the compounds of interest are known, specific sorbents and conditions can be chosen that work best for that particular compound(s). The tubes that have been used in NIOSH studies with the Perkin Elmer ATD system are ¼” stainless steel tubes, and are shown in the diagram below:

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 5/15/96