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NOTE:
See important warnings, definitions, and explanation of column headings and abbreviations starting on page 1.
79
Chemical Name
CAS # Synonym
IDLH
(ppm)
OEL
(ppm)
R
e
spirator
(
Exposures < both
A
PF x OEL and IDLH)
C
omments
Methyl formate
107-31-3
F
ormic acid me
thyl ester,
Me
thyl me
thanoate
5000 TW
A=50
STEL=100
SA Short OV service life
Methyl hydrazine
60-34-4
Monome
thyl hy
drazine 50
TW
A=0
.01
C=0.2 (OSHA)
-skin-
(F)AM
Methyl iodide
74-88-4
I
odome
thane 800
TWA=2
-skin-
(F)SA
Short OV service life. Use
of 60928 cartridge/lter
recommended by 3M,
not specically approved
for methyl iodide.
Methyl isoamyl ketone
110-12-3
2
-Me
thyl-5-he
x
anone,
5-Methyl-2-hexanone, MIAK
10000 TW
A=20
STEL=50
(F)OV
Methyl isobutyl ketone
108-10-1
He
x
one, MIBK 3000
TW
A=20
STEL=
75
(F)OV 3M 3510 Monitor
Methyl isocyanate
624-83-9
I
soc
y
anic acid,me
thyl ester 20
TWA=0.02
STEL=0.06
-skin-
SA Unkno
wn sorben
t
eectiveness
Methyl isopropyl
ketone 563-80-4
3-Me
thyl-
2
-butanone, MIPK TW
A=20 (F)O
V
3M 3510 Monitor
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