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NITROAROMATIC COMPOUNDS: METHOD 2005, Issue 3, dated 15 January 1998 - Page 4 of 5 Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 94-113. [4] NIOSH [1978]. Nitrobenzene: Method S217;p-Chloronitrobenzene: Method S218; and Nitrotoluene: Method S223. In: Taylor DG, ed. NIOSH Manual of Analytical Methods,nd2 ed., Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, Publ. (NIOSH) 77-157-C. [5] NIOSH [1977]. Occupational diseases, a guide to their recognition, revised ed., 235-238, 280-281, U.S. Department of Health, Education, and Welfare, DHEW (NIOSH) Publication No. 77-157-C. [6] NIOSH [1981]. NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, Nitrobenzene, pNitrochlorobenzeneand Nitrotoluene, U.S. Department of Health and Human Services, Publ. (NIOSH) 81-123.

METHOD WRITTEN BY: Stephanie M. Pendergrass, NIOSH/DPSE

TABLE 1. GENERAL INFORMATION TWA Chemical

OSHA NIOSH ACGIH

Physical Properties

Method Evaluation

Nitrobenzene

1 ppm (5.0 mg/m3) (skin) Colorless oily liquid, almond odor; 1 ppm (5.0 mg/m3) (skin) d=1.196 g/mL @ 20 C; MP 6 C; BP 2101 ppm (5.0 mg/m3) (skin) 211 C; VP=37 Pa (0.30 mm Hg) @ 20C

Full

o-Nitrotoluene

5 ppm (28.5 mg/m3) (skin) 2 ppm (11.7 mg/m3) 2 ppm (11.7 mg/m3)

yellowish liquid; d=1.163 g/mL @ 20C; MP -4 C; BP 222 C; VP=20 Pa (0.15 mm Hg) @ 20 C

Full

m-Nitrotoluene

5 ppm (28.5 mg/m3) 2 ppm (11.7 mg/m3) 2 ppm (11.7 mg/m3)

liquid; d=1.157 g/mL @ 20 C; MP 16 C; BP 232 C; VP=20 Pa (0.15 mm Hg) @ 20 C

Partial

p-Nitrotoluene

5 ppm (28.5 mg/m3) 2 ppm (11.7 mg/m3) 2 ppm (11.7 mg/m3)

yellow crystals; d=1.163 g/mL @ 20C; MP 52 C; BP 238 C; VP=17 Pa (0.12 mm Hg) @ 20 C

Partial

yellow crystals; d=1.298 g/mL @ 20C; MP 83 C; BP 242 C; VP=28 Pa (0.2 mm Hg) @ 30 C

Partial

0.16 ppm (1.03 mg/m3) Ca* 0.1 ppm (0.644 mg/m3)

  • - Cancer suspect agent

4-Chloronitrobenzene

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition

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