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Methyl (n-amyl) ketone

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Synonyms & Trade Names
Amyl methyl ketone, n-Amyl methyl ketone, 2-Heptanone
CAS No.
110-43-0
RTECS No.
MJ5075000
DOT ID & Guide
1110 127
Formula
CH₃CO[CH₂]₄CH₃
Conversion
1 ppm = 4.67 mg/m3
IDLH
800 ppm
See: 110430
Exposure Limits
NIOSH REL
TWA 100 ppm (465 mg/m3)
OSHA PEL
TWA 100 ppm (465 mg/m3)
Measurement Methods
NIOSH 1301 , 2553
See: NMAM or OSHA Methods
Physical Description
Colorless to white liquid with a banana-like, fruity odor.
Molecular Weight
114.2
Boiling Point
305°F
Freezing Point
-32°F
Solubility
0.4%
Vapor Pressure
3 mmHg
Ionization Potential
9.33 eV
Specific Gravity
0.81
Flash Point
102°F
Upper Explosive Limit
(250°F): 7.9%
Lower Explosive Limit
(151°F): 1.1%
Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities
Strong acids, alkalis & oxidizers [Note: Will attack some forms of plastic.]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, mucous membrane; headache; narcosis, coma; dermatitis
Target Organs
Eyes, skin, respiratory system, central nervous system, peripheral nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Fresh air
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 800 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0920   MEDICAL TESTS: 0145
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health