KETONES II: METHOD 1301, Issue 2, dated 15 August 1994 - Page 5 of 5
TABLE 1. GENERAL INFORMATION Exposure Limits, ppm Compound (Synonyms) CAS RTECS
Formula (M.W.)
OSHA
NIOSH
ACGIH TLV STEL
mg/m 3/ppm @NTP
Camphor (CAS #76-22-2) RTECS EX1225000
C10H16O (152.24)
2
2
2 3
6.22
- d2
d9 im 9Ll/.o g 0s@ C
- ° 52
- C4°M
P 2 V 0 8aP 14k7 .1 0 .0 m mm H
- m
g/g0741
Mesityl oxide (4-methyl-3-penten-2-one) (CAS #141-79-7) RTECS SB4200000
CH 3COCH=C(CH 3)2; C 6H10O (98.15)
25
10
15 25
4.01
- dP
Biu 9q 21
- Ci°P
V1l .aP 1k 8(m L2;2/8d )ggH .0
5-Methyl-3-heptanone (Ethyl amyl ketone) (CAS #541-85-5) RTECS MJ7350000
CH 3CH 2COCH 2CH(CH 3)CH 2CH 3; C 8H16O (122.22)
25
25
25 --
5.00
- dP
Biu9q51
- C
i°P V 72 la P .k0 2(m L2;2/8d )ggH .0
Methyl-(n-amyl)-ketone (2-Heptanone) (CAS #110-43-0) RTECS MJ5075000
CH 3CO(CH 2)4CH 3; C 7H14O (114.19)
100
100
50
4.67
- dP
Biu1q51;C i°P V 7l2a P .k0 2(m L0;2/8d )ggH .0
Ethyl butyl ketone (3-heptanone) (CAS #106-35-4) RTECS MJ5250000
CH 3CH 2CO(CH 2)3CH 3; C 7H14O (114.19)
50
50
50
4.67
- dP
Biu8 q41
- C
i°P V 35 la P .k0 4(m L8;1/8d )ggH .0
- NOTE: All densities and vapor pressures are at 20 °C unless stated otherwise.
NIOSH Manual of Analytical Method (NMAM), Fourth Edition, 8/15/94
