1,3-Dichloropropane MSDS Details

Identification

Chemical Name: 1,3-Dichloropropane
Chemical Formula: C3H6Cl2
CAS Number: 142-28-9
Synonyms: Propane, 1,3-dichloro-; Trimethylene dichloride
Product Use: Used in synthesis and as an intermediate for other chlorinated compounds
Manufacturer Contact: Refer to local supplier’s chemical identification labels for emergency and information lines

Hazard Identification

GHS Classification: Flammable Liquid (Category 3), Acute Toxicity – Oral (Category 4), Skin Irritant (Category 2), Eye Irritant (Category 2A), Specific Target Organ Toxicity (Category 3)
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin and eye irritation; May cause respiratory irritation; Flammable liquid and vapor
Pictograms: Flame, Exclamation Mark
Precautionary Statements: Keep away from heat, sparks, open flames, hot surfaces; Do not breathe vapors; Wear protective gloves and eye protection; Wash skin thoroughly after handling; Use proper ventilation when transferring the substance

Composition / Information on Ingredients

Ingredient: 1,3-Dichloropropane
Concentration: ≥98%
Impurities: 1,2-Dichloropropane (up to 2%), trace water and stabilizers
Additional Notes: Industrial grades may contain small amounts of related chlorinated hydrocarbons

First Aid Measures

Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; continue rinsing, seek medical attention promptly
Skin Contact: Take off contaminated clothing; wash with plenty of soap and water; seek medical attention if irritation or rash develops
Inhalation: Move victim to fresh air and keep comfortable for breathing, seek immediate medical assistance for breathing difficulty
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical help
Most Important Symptoms: Eye and skin irritation, respiratory symptoms including coughing and sore throat, headache, nausea

Fire-Fighting Measures

Suitable Extinguishing Media: Use foam, carbon dioxide, dry chemical powder, or water spray
Fire Hazards: Vapors may form explosive mixtures with air; can travel long distances to ignition sources
Advice for Firefighters: Wear self-contained breathing apparatus and protective clothing; use water spray to cool containers exposed to fire
Hazardous Combustion Products: Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide
Special Protective Equipment: Full turn-out gear required for firefighters dealing with chemical fires involving this liquid

Accidental Release Measures

Personal Precautions: Evacuate area, eliminate ignition sources, ventilate closed spaces
Protective Equipment: Wear gloves, chemical splash goggles, and an organic vapor respirator
Environmental Precautions: Avoid discharge into drains or surface water; contain spill with dikes
Containment Methods: Absorb spillage with inert material (sand, earth) and place in chemical waste container
Clean-up Procedures: Use non-sparking tools; ventilate area after cleanup
Notification: Report significant releases to local agencies where required by law

Handling and Storage

Safe Handling Practices: Use only with proper ventilation; avoid prolonged skin contact; prevent inhalation of vapor
Storage Conditions: Store in a cool, dry, well-ventilated area away from direct sunlight and ignition sources
Incompatible Substances: Strong oxidizers, strong bases, aluminum, magnesium, finely divided metals
Transfer Guidelines: Ground/bond containers and receiving equipment; use suitable materials resistant to chlorinated hydrocarbons
Specific Storage Design: Keep container tightly closed when not in use; store in designated flammable liquid areas

Exposure Controls and Personal Protection

Occupational Exposure Limits: No current OSHA PEL; ACGIH TLV not established; use lowest feasible exposure levels
Engineering Controls: Provide local exhaust or general room ventilation
Personal Protective Equipment (PPE): Impervious gloves (nitrile, neoprene), chemical safety goggles, face shield for splash risk, flame-resistant laboratory coat
Respiratory Protection: Use NIOSH-approved air-purifying respirator in areas of high vapor concentration
Hygiene Measures: Wash thoroughly after handling; do not eat, drink, or smoke while using the product
Environmental Controls: Implement secondary containment in storage and transfer areas

Physical and Chemical Properties

Appearance: Colorless to light yellow liquid
Odor: Sweet, chloroform-like
Odor Threshold: Not determined
Melting Point: -80°C
Boiling Point: 120-122°C
Flash Point: 32°C (closed cup)
Ignition Temperature: 410°C
Vapor Pressure: 12 mmHg at 20°C
Vapor Density: 4.3 (air = 1)
Relative Density: 1.23 g/cm³ at 20°C
Solubility in Water: Slight (0.6 g/L at 20°C)
Partition Coefficient (log Pow): 2.1
pH: Not applicable
Viscosity: Not available

Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Possibility of Hazardous Reactions: Forms toxic gases when heated or upon contact with incompatible materials
Conditions to Avoid: High temperatures, open flames, sources of ignition, direct sunlight
Materials to Avoid: Strong oxidizing agents, alkali metals, strong bases, active metals
Decomposition Products: Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide

Toxicological Information

Acute Toxicity: Oral LD50 (rat): 400 mg/kg; Dermal LD50 (rabbit): >2000 mg/kg; Inhalation LC50 (rat, 4h): Not available
Irritation: Causes moderate to severe eye and skin irritation
Sensitization: Not classified as a respiratory or skin sensitizer
Chronic Effects: Prolonged exposure may affect the liver, kidneys, and central nervous system
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Mutagenicity: Data insufficient for proper assessment
Other Effects: Can aggravate pre-existing lung conditions from repeated exposure

Ecological Information

Ecotoxicity: Harmful to aquatic life with long-lasting effects
Aquatic Toxicity: LC50 (fish, 96h): 62 mg/L; EC50 (daphnia, 48h): 55 mg/L
Persistence and Degradability: Degrades slowly in water and soil
Bioaccumulative Potential: Moderate, log Kow suggests some bioaccumulation can occur
Mobility in Soil: Moderate mobility; potential for leaching into groundwater
Other Adverse Effects: Avoid uncontrolled release to aquatic and terrestrial environments

Disposal Considerations

Waste Treatment Methods: Incineration in a chemical incinerator equipped with afterburners and scrubbers
Product Disposal: Treat as hazardous waste; follow federal, state, and local regulations
Container Disposal: Rinse thoroughly before recycling or disposing; never reuse contaminated packaging
Special Instructions: Consultation with licensed waste disposal services recommended

Transport Information

UN Number: UN1992
Proper Shipping Name: Flammable liquid, toxic, n.o.s. (contains 1,3-Dichloropropane)
Transport Hazard Class: 3 (Flammable liquids), 6.1 (Toxic substances)
Packing Group: III
Labels Required: Flammable liquid, Toxic
Marine Pollutant: Yes
Special Precautions: Transport only in approved, tightly closed containers with secure labeling

Regulatory Information

TSCA (USA): Listed
EINECS/ELINCS: 205-530-8
REACH: Subject to registration for quantities over 1 tonne per year
SARA 313: Not subject to reporting under Section 313
OSHA: Hazardous chemical under OSHA criteria
WHMIS Classification (Canada): B2 (Flammable Liquids), D2B (Toxic Materials)
Other Regulations: Compliance with national and local laws on workplace health, fire safety, storage, and environmental discharge required