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NIOSH Pocket Guide to Chemical Hazards

September 2005

n-Propyl acetate

CAS
109-60-4

CH3COOCH2CH2CH3

RTECS
AJ3675000
Synonyms & Trade Names

Propylacetate, n-Propyl ester of acetic acid
DOT ID & Guide
1276 129

Exposure
Limits

NIOSH REL: TWA 200 ppm (840 mg/m3) ST 250 ppm (1050 mg/m3)
OSHA PEL†: TWA 200 ppm (840 mg/m3)
IDLH
1700 ppm See: 109604
Conversion
1 ppm = 4.18 mg/m3
Physical Description
Colorless liquid with a mild, fruity odor.
MW: 102.2
BP: 215°F
FRZ: -134°F
Sol: 2%
VP: 25 mmHg
IP: 10.04 eV

Sp.Gr: 0.84
Fl.P: 55°F
UEL: 8%
LEL(100°F): 1.7%

Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities

Nitrates; strong oxidizers, alkalis & acids
Measurement Methods
NIOSH 1450; OSHA 7
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation

First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 1700 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(APF = 50) Any chemical cartridge respirator with a full facepiece and 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 = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)£
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator 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
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
In animals: irritation eyes, nose, throat; narcosis; dermatitis
Target Organs
Eyes, skin, respiratory system, central nervous system
See also: INTRODUCTION   See ICSC CARD: 0940

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