Propionic acid
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CAS
79-09-4
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CH3CH2COOH
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RTECS
UE5950000
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Synonyms & Trade Names
Carboxyethane, Ethanecarboxylic acid, Ethylformic acid, Metacetonic acid, Methyl acetic acid, Propanoic acid
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DOT ID & Guide
1848 / 132
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Exposure
Limits
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NIOSH REL: TWA 10 ppm (30 mg/m3) ST 15 ppm (45 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 3.03 mg/m3
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Physical Description
Colorless, oily liquid with a pungent, disagreeable, rancid odor. [Note: A solid below 5°F.]
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MW: 74.1
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BP: 286°F
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FRZ: 5°F
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Sol: Miscible
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VP: 3 mmHg
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IP: 10.24 eV
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Sp.Gr: 0.99
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Fl.P: 126°F
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UEL: 12.1%
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LEL: 2.9%
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Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
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Incompatibilities & Reactivities
Alkalis, strong oxidizers (e.g., chromium trioxide) [Note: Corrosive to steel.]
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Measurement Methods
None available
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 or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, nose, throat; blurred vision, corneal burns; skin burns; abdominal pain, nausea, vomiting
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0806 |
