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Product Name: Propionic Acid
Chemical Formula: C3H6O2
CAS Number: 79-09-4
Synonyms: Propanoic Acid, Ethylformic Acid
Recommended Use: Food preservative, Chemical intermediate, Herbicide, Fungicide
Supplier: Multiple manufacturers in chemical industry
Contact Details: Refer to relevant supplier or manufacturer for up-to-date emergency contact information
Classification: Flammable liquid, Corrosive to skin, Serious eye damage
GHS Label Elements: Danger
Hazard Statements: Causes severe skin burns and eye damage, May cause respiratory irritation, Flammable liquid and vapor
Precautionary Statements: Keep away from heat, sparks, open flame; Wear protective gloves, protective clothing, eye and face protection; Use only outdoors or in well-ventilated area; Wash hands thoroughly after handling
Pictograms: Corrosion, exclamation mark, flame
Chemical Name: Propionic Acid
PURITY: ≥99%
Impurities: Trace amounts of water, acetic acid, butyric acid may occur depending on manufacturing process
Inhalation: Remove victim to fresh air; provide oxygen if breathing is difficult; seek medical attention immediately
Skin Contact: Remove contaminated clothing; flush skin with plenty of water for at least 15 minutes; call a physician promptly
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present; continue rinsing and get medical help right away
Ingestion: Do not induce vomiting; rinse mouth with water; give water to drink if conscious and alert; get medical attention
Suitable Extinguishing Media: Use foam, dry chemical, or carbon dioxide; water may be used to cool containers
Hazards: Vapors may form explosive mixtures with air; fire produces toxic fumes including carbon monoxide and carbon dioxide
Protective Equipment: Firefighters need self-contained breathing apparatus and full protective gear
Special Procedures: Move containers from fire area if safe; prevent run-off to drains or watercourses
Personal Precautions: Evacuate personnel to safe areas; avoid inhalation of vapor; ensure adequate ventilation; wear protective clothing
Environmental Precautions: Prevent further leakage or spillage if safe and possible; do not let product enter drains or watercourses
Methods of Cleanup: Contain and collect spillage with non-combustible, absorbent material (sand, earth, diatomaceous earth); place in suitable container for disposal; ventilate the area; neutralize residue with dilute alkaline solution
Handling: Avoid contact with skin, eyes, and clothing; do not breathe vapor; use only with adequate ventilation; handle away from heat, sparks, and sources of ignition
Storage: Store in cool, well-ventilated area away from incompatible substances like oxidizers and bases; keep container tightly closed; store in corrosion-resistant containers
Occupational Exposure Limits: ACGIH TLV: 10 ppm (31 mg/m³); OSHA PEL: 10 ppm (30 mg/m³)
Engineering Controls: Local exhaust ventilation recommended to reduce airborne levels
Personal Protective Equipment: Chemical-resistant gloves, safety goggles/face shield, lab coat/apron, proper respiratory equipment in case of insufficient ventilation
Hygiene Measures: Wash hands and face before breaks, after work, and after handling material
Appearance: Colorless to slightly yellow liquid
Odor: Sharp, pungent, unpleasant acrid odor
Molecular Weight: 74.08 g/mol
Melting Point: -23°C
Boiling Point: 141°C
Flash Point: 52°C
Solubility: Miscible with water, ethanol, ether
Density: 0.992 g/cm³ (20°C)
Vapor Pressure: 4.0 mmHg (20°C)
pH: 2.5 (1% solution)
Autoignition Temperature: 515°C
Chemical Stability: Stable under recommended storage conditions
Reactivity: May react with oxidizing agents, strong bases, reducing agents, and metals
Conditions to Avoid: Heat, flames, sparks, incompatible materials
Hazardous Decomposition Products: Carbon oxides, irritating and toxic fumes during combustion
Polymerization: Will not occur under normal conditions
Acute Toxicity: Oral LD50 (rat) 2600 mg/kg; Inhalation LC50 (rat) 7.6 mg/l (4h)
Effects on Skin: Severe irritation, burns, possible blistering
Effects on Eyes: Severe damage, possible loss of vision
Inhalation Risks: Irritation of respiratory tract, coughing, difficulty breathing
Chronic Exposure: Prolonged or repeated skin contact leads to dermatitis; no evidence of carcinogenicity
Other Information: Not classified as carcinogen by IARC, NTP, or OSHA
Aquatic Toxicity: Toxic to aquatic organisms at high concentrations; EC50 (daphnia magna): 95 mg/L (48h)
Persistence and Degradability: Readily biodegradable in water and soil
Bioaccumulation Potential: Low; does not significantly accumulate in aquatic organisms
Mobility in Soil: High; substance highly mobile through soil and water due to solubility
Other Effects: Can lower pH of water and soil, affecting local organisms if spilled in large quantity
Waste Treatment Methods: Incinerate in approved chemical incinerator with afterburner and scrubber; follow local, regional, and national regulations
Container Disposal: Rinse containers thoroughly; dispose of in accordance with environmental regulations
Considerations: Avoid release to environment; do not flush into surface water or sanitary sewer system
UN Number: UN3463
Proper Shipping Name: Propionic Acid
Transport Hazard Class: 8 (Corrosive), Subclass 3 (Flammable Liquid)
Packing Group: II
Marine Pollutant: No
Special Precautions: Secure containers upright; protect from physical damage; leakproof packaging required
OSHA Status: Regulated as hazardous chemical
TSCA: Listed on United States TSCA inventory
SARA Title III: Not listed as Extremely Hazardous Substance; subject to reporting requirements
WHMIS Classification: Class B-3 (Combustible liquid), Class E (Corrosive material)
Other Regulatory Info: Subject to hazardous substance lists in many countries; user must review local requirements for facility and worker protection
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
