KETONES I: METHOD 1300, Issue 2, dated 15 August 1994 - Page 5 of 5 Table 1. General Information Exposure Limits, ppm OSHA NIOSH ACGIH
mg/m 3/ ppm @ NTP
Compound (Synonyms)
Formula (M.W.)
Acetone 2-Propanone; (CAS #67-64-1) RTECS AL3150000
CH 3COCH 3 (58.08)
liquid; BP 56 °C; 750; STEL 1000 d 0.791 g/mL; 250: Group III Pesticide VP 35.5 kPa (266 mm Hg) 750; STEL 1000
2.37
Cyclohexanone Cyclohexyl ketone (CAS #108-94-1) RTECS GW1050000
C 6H 10O (98.15)
liquid; BP 155 °C; d 0.947 g/mL; VP 0.3 kPa (2 mm Hg)
4.01
Diisobutyl ketone (2.6,-dimethyl4-heptanone; CAS #108-83-8) RTECS MJ5775000
((CH 3)2CHCH 2)2CO liquid; BP 169 °C; 25 (142.24) d 0.847 g/mL; 25; Group II Pesticide VP 0.23 kPa (1.7 mm Hg) 25
2-Hexanone (methyl n-butyl ketone; MBK; CAS #591-78-6) RTECS MP1400000
CH 3(CH 2)3COCH 3 (100.16)
Methyl isobutyl ketone (MIBK; hexone; isopropyl acetone; 4-methyl2-pentanone; CAS #108-10-1) RTECS SA9275000
(CH 3)2CHCH 2COCH 3 (100.16)
Properties*
liquid; BP 127 °C; d 0.812 g/mL; VP 0.4 kPa (3 mm Hg)
25 (skin) 25 (skin); Group III Pesticide 25 (skin)
100
5.82
4.09
1 5
liquid; BP 117 °C; 50; STEL 75 d 0.800 g/mL; 50; STEL 75 VP 2.0 kPa (15 mm Hg) 50; STEL 75
4.09
2-Pentanone CH 3CH 2CH 2COCH 3 liquid; BP 100 °C; 200; STEL 250 3.52 (methyl propyl ketone: (86.13) d 0.812 g/mL; 150 CAS #107-87-9) VP 3.6 kPa (27 mm Hg) 200; STEL 250 RTECS SA 7875000 _________________________________________________________________________________________________________ ___
- Density @ 25 °C; VP @ 20 °C.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
