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Propionic acid

Synonyms & Trade Names
Carboxyethane, Ethanecarboxylic acid, Ethylformic acid, Metacetonic acid, Methyl acetic acid, Propanoic acid
CAS No.
79-09-4
RTECS No.
UE5950000
DOT ID & Guide
1848 132
Formula
CH3CH2COOH
Conversion
1 ppm = 3.03 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 10 ppm (30 mg/m3) ST 15 ppm (45 mg/m3)
OSHA PEL
: none
Measurement Methods

None available
See: NMAM or OSHA Methods
Physical Description
Colorless, oily liquid with a pungent, disagreeable, rancid odor. [Note: A solid below 5°F.]
MW:
74.1
BP:
286°F
FRZ:
5°F
Sol:
Miscible
VP:
3 mmHg
IP:
10.24 eV
Sp.Gr:
0.99
Fl.P:
126°F
UEL:
12.1%
LEL:
2.9%
Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities
Alkalis, strong oxidizers (e.g., chromium trioxide) [Note: Corrosive to steel.]
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
Target Organs
Eyes, skin, respiratory 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
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0806
 
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