© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Chemical Name: Ethyl 3-Chloropropionate
Synonyms: 3-Chloropropionic acid ethyl ester
CAS Number: 535-18-6
Molecular Formula: C5H9ClO2
Molecular Weight: 136.58 g/mol
Physical Hazards: Flammable liquid and vapor
Health Hazards: Causes skin and eye irritation, may be harmful if swallowed, vapor can cause respiratory tract irritation, long-term exposure could affect the nervous system
Environmental Hazards: Harmful to aquatic life with long lasting effects
Signal Word: Warning
GHS Pictograms: Exclamation mark, environment
Chemical Identity: Ethyl 3-Chloropropionate
Purity: Greater than 97% by weight
Impurities: Trace amounts of 3-Chloropropionic acid and ethyl alcohol detected in some batches
Eye Contact: Immediately flush eyes with water, lifting eyelids for at least 15 minutes, seek medical attention
Skin Contact: Remove contaminated clothing, wash skin with soap and water, medical attention for persistent irritation
Inhalation: Move individual to fresh air, assist breathing if necessary, seek prompt medical care if symptoms develop
Ingestion: Do not induce vomiting, rinse mouth, get medical assistance
Appropriate Extinguishing Media: Dry chemical powder, foam, carbon dioxide
Inappropriate Media: Avoid water jet since it can spread the liquid
Hazards from Combustion: Produces toxic gases including hydrogen chloride, phosgene, carbon oxides
Protective Equipment: Firefighters use full protective gear and self-contained breathing apparatus
Personal Precautions: Isolate area, ventilate, keep away ignition sources
Spill Response: Contain spill with inert absorbent, collect in labeled container, wash area with soap and water
Environmental Precautions: Prevent entry into drains, groundwater, and soil to keep local habitats safe
Safe Handling: Avoid inhalation, skin, and eye contact by using gloves and goggles, keep container tightly closed, bond and ground containers during transfer
Storage Conditions: Store in cool, dry, well-ventilated place in original tightly sealed container, keep away from heat, sparks, and flames, store away from strong oxidizers
Engineering Controls: Work under local exhaust ventilation, use enclosed systems for large volumes
Personal Protective Equipment: Chemical-resistant gloves, goggles or face shield, flame-resistant lab coat, use respirator if ventilation is not adequate
Hygiene Measures: Wash hands before eating, drinking, or using the restroom, keep contaminated clothing out of work areas
Appearance: Colorless to faint yellow liquid
Odor: Ether-like
Boiling Point: About 160°C
Flash Point: 55°C (closed cup)
Density: Approximately 1.09 g/cm³ at 25°C
Solubility: Slightly soluble in water, miscible with organic solvents
Vapor Pressure: Low at room temperature
Viscosity: Low, typical of organic esters
Stability: Stable under recommended storage conditions
Hazardous Reactions: May react with strong oxidizers, acids, or bases
Decomposition Products: Hydrogen chloride, phosgene, and carbon oxides under fire or extreme heat
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Short-Term Effects: Eye and skin irritation, throat and nasal irritation from vapor exposure, headache or dizziness
Long-Term Effects: Potential for nervous system symptoms with repeated exposure based on studies with similar chemicals
LD50 Values: Data limited, but acute toxicity considered moderate
Chronic Effects: No confirmed reports of carcinogenic effects in humans so far
Aquatic Toxicity: Harmful to fish and aquatic invertebrates based on laboratory studies
Persistence and Degradability: Breaks down over time but can linger in soil and water
Bioaccumulation Potential: Moderate, may accumulate in some aquatic species
Mobility in Soil: Can leach through soil under certain conditions
Other Effects: Take extra care near waterways and environmentally sensitive locations
Waste Treatment Methods: Incinerate in certified chemical incinerators or dispose of as hazardous waste at approved facilities
Container Disposal: Rinse and puncture before disposal, send to authorized recycler or hazardous waste handler
Precautions: Do not pour into drains, ditches, or the environment, always follow local hazardous waste regulations
UN Number: 3271
Regulated Class: Flammable liquid for transport
Packing Group: III
Transport Hazard: Flammable and irritant, ensure drum integrity
Precautions: Use certified containers, display hazard labels properly, keep containers upright and secure during transport to limit risk of spills or leaks
Labeling: Must display proper chemical hazard labels
Chemical Safety Legislation: Covered under various chemical safety directives in workplaces
Environmental Rules: Subject to restrictions for use near water bodies and sensitive ecological spots, storage and disposal must comply with regional environmental protection guidelines
