Page:NIOSH Manual of Analytical Methods - 2002.pdf/5

 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