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| Propionic acid | CAS 79-09-4 | ||
| CH3CH2COOH | RTECS UE5950000 | ||
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Synonyms & Trade Names Carboxyethane, Ethanecarboxylic acid, Ethylformic acid, Metacetonic acid, Methyl acetic acid, Propanoic acid |
DOT ID & Guide 1848 132 |
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Exposure Limits |
NIOSH REL: TWA 10 ppm (30 mg/m3) ST 15 ppm (45 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | 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 |
BP: 286°F |
FRZ: 5°F |
Sol: Miscible |
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VP: 3 mmHg |
IP: 10.24 eV |
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Sp.Gr: 0.99 |
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Fl.P: 126°F |
UEL: 12.1% |
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 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations To be added later |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| 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 |