AMINES, AROMATIC: METHOD 2002, Issue 2, dated 15 August 1994 - Page 5 of 6 [6]
Campbell, E. E., G. O. Wood and R. G. Anderson. Los Alamos Scientific Laboratory Progress Reports LA-5104-PR, LA-5164-PR, LA-5308-PR, LA-5389-PR, LA-5484-PR and LA-5634-PR, Los Alamos, NM (November, 1972; January, 1973; June, 1973; August, 1973; December, 1973; and June, 1974). Registry of Toxic Effects of Chemical Substances, 1979 eds., Vols. 1 and 2, U.S. Department of Health and Human Services, Publ. (NIOSH) 80-111 (1980). NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, Aniline and o-Toluidine, U.S. Department of Health and Human Services, Publ. (NIOSH) 81-123 (1981), available as GPO Stock #017-033-00337-8 from Superintendent of Documents, Washington, DC 20402.
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METHOD WRITTEN BY: Paula Fey O'Connor, Julie R. Okenfuss and George Williamson, NIOSH/DPSE.
TABLE 1. PHYSICAL PROPERTIES AND PERSONAL EXPOSURE LIMITS
Substance Formula
VP @ 20 °C kPa (mm Hg)
Conversion factor (ppm to mg/m 3 @ NTP)
MW
BP (°C)
MP (°C)
d, g/mL @ 20 °C
93.13
184
-6
1.022
0.089 (0.3)
3.81
o-Toluidine; C 7H 9N
107.16
200
-15
1.006
0.043 (0.32)
4.38
2,4-Xylidine; C8H11N
121.18
214
-14
0.9723
<0.1 (<1)
4.95
N,N-Dimethyl- p-toluidine; C9H13N
135.21
211
NA
0.935
NA
5.53
N,N-Dimethylaniline; C8H11N
121.18
192
2
0.956
<0.1 (0.5)
4.95
Aniline; C 6H 7N
NA = not available.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
