n-Propyl nitrate
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CAS
627-13-4
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CH3CH2CH2ONO2
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RTECS
UK0350000
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Synonyms & Trade Names
Propyl ester of nitric acid
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DOT ID & Guide
1865 / 131
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Exposure
Limits
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NIOSH REL: TWA 25 ppm (105 mg/m3) ST 40 ppm (170 mg/m3)
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OSHA PEL†: TWA 25 ppm (110 mg/m3)
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IDLH
500 ppm
See: 627134
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Conversion
1 ppm = 4.30 mg/m3
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Physical Description
Colorless to straw-colored liquid with an ether-like odor.
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MW: 105.1
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BP: 231°F
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FRZ: -148°F
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Sol: Slight
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VP: 18 mmHg
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IP: 11.07 eV
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Sp.Gr: 1.07
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Fl.P: 68°F
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UEL: 100%
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LEL: 2%
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Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
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Incompatibilities & Reactivities
Strong oxidizers, combustible materials [Note: Forms explosive mixtures with combustible materials.]
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Measurement Methods
NIOSH S227 (II-3); OSHA 7
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 250 ppm:
(APF = 10) Any supplied-air respirator
Up to 500 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(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 canister providing protection against the compound of concern¿/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
In animals: irritation eyes, skin; methemoglobinemia, anoxia, cyanosis; dyspnea (breathing difficulty), lassitude (weakness, exhaustion), dizziness, headache
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Target Organs
Eyes, skin, blood
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See also: INTRODUCTION
See MEDICAL TESTS: 0198
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