Substance Name: Dichloropropanol
Synonyms: 1,3-Dichloro-2-propanol, DCP, 1,3-DCP
CAS Number: 96-23-1
Recommended Use: Intermediate in chemical synthesis, laboratory reagent
Manufacturer: See product label for supplier contact information
Emergency Phone Number: Refer to local safety instructions, poison control center
Product Description: Colorless to pale yellow liquid, sharp piercing odor
GHS Classification: Acute toxicity (oral, dermal, inhalation); Skin irritation; Eye irritation
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage. May cause respiratory irritation. Harmful if swallowed or inhaled. Suspected of causing cancer. Toxic to aquatic life.
Precautionary Statements: Wear protective gloves, clothing, eye, and face protection. Keep away from open flames, heat sources. Avoid breathing vapors and contact with skin or eyes. Use only outdoors or in well-ventilated area.
Pictograms: Corrosive, acute toxicity, health hazard, environment
Chemical Name: 1,3-Dichloro-2-propanol
Concentration: Not less than 97%
Impurities: Water, trace amounts of other chlorinated propanols
Molecular Formula: C3H6Cl2O
Molecular Weight: 128.99 g/mol
Inhalation: Remove to fresh air. Seek immediate medical attention if symptoms such as coughing, shortness of breath, or dizziness develop.
Skin Contact: Remove contaminated clothing. Rinse skin gently and thoroughly with plenty of water for at least 15 minutes. Seek medical assistance for skin irritation or burns.
Eye Contact: Flush cautiously with water for at least 15 minutes, lifting eyelids occasionally. Get urgent medical evaluation.
Ingestion: Rinse mouth with water. Do not induce vomiting. Obtain prompt medical care.
Symptoms of Exposure: Burning sensation, coughing, shortness of breath, skin and eye irritation, possible confusion or loss of consciousness after high-level exposure.
Suitable Extinguishing Media: Dry chemical, CO2, foam, or water spray
Specific Hazards: Gives off toxic gases under fire conditions including hydrogen chloride, phosgene
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus recommended
Advice for Firefighters: Move containers away from fire if safe. Prevent fire water runoff from entering drains or water sources. Cool tanks exposed to fire with water spray.
Personal Precautions: Use chemical-resistant gloves, goggles, boots, and full skin protection. Evacuate area if necessary.
Environmental Precautions: Prevent entry into soil, waterways, sewers. Notify environmental authorities about large spills.
Spill Cleanup Methods: Soak up with inert absorbent material such as sand or vermiculite. Collect in suitable chemical waste container for disposal. Wash area with plenty of water afterwards.
Handling: Avoid direct contact by wearing adequate protection and operating under fume hood. Prevent formation of aerosols. Use approved containers and proper tools for handling.
Storage Conditions: Keep containers tightly sealed in cool, dry, well-ventilated area away from acids, alkalis, strong oxidizers. Store away from food, feed, and incompatible chemicals.
Special Requirements: Protect from heat, sunlight, and open flames. Ground all equipment to avoid static discharge. Store only in original packaging or corrosion-resistant containers.
Exposure Limits: No established OSHA or ACGIH limits; minimize exposure
Engineering Controls: Local exhaust ventilation, safety showers, eyewash stations
Protective Equipment: Impervious gloves, goggles or face shield, lab coat or apron, respiratory protection if ventilation is inadequate
Hygiene Measures: Wash hands thoroughly after handling. Remove contaminated clothing and launder before reuse. No eating, drinking, or smoking in storage or working areas.
Appearance: Colorless to pale yellow clear oily liquid
Odor: Sharp, burning, chloroform-like
pH: Not applicable (undiluted liquid)
Boiling Point: 174–175°C
Melting Point: -57°C
Flash Point: 73°C (closed cup)
Evaporation Rate: Not available
Flammability: Combustible liquid
Vapor Pressure: 0.56 mmHg at 25°C
Vapor Density: 4.5 (air = 1)
Solubility in Water: Moderate (41 g/L)
Partition Coefficient (log Kow): 0.49
Viscosity: Not available
Decomposition Temperature: Above 200°C, forms toxic gases
Chemical Stability: Stable under recommended storage and handling conditions
Incompatible Materials: Strong oxidizing agents, strong bases, amines, powdered metals
Hazardous Decomposition Products: Hydrogen chloride, phosgene, carbon monoxide
Polymerization: Not known to occur
Conditions to Avoid: Excessive heat, ignition sources, contact with metals and alkalis
Acute Toxicity: LD50 (oral, rat) 186 mg/kg; LD50 (dermal, rabbit) 420 mg/kg
Inhalation: Can cause respiratory tract irritation, dizziness, headache, or lung edema
Skin Contact: Causes burns, redness, blistering on contact
Eye Contact: Can result in severe irritation, burns, and possible permanent injury
Chronic Effects: Prolonged exposure may lead to liver and kidney damage, has shown carcinogenic potential in animal studies (IARC Group 2B, possible human carcinogen).
Sensitization: Not known to cause allergic reactions
Mutagenicity/Teratogenicity: Evidence of mutagenic effects in lab tests, possible reproductive harm with long-term exposure
Ecotoxicity: Toxic to aquatic organisms. LC50 (fish, 96 hr): 21 mg/L (rainbow trout)
Persistence and Degradability: Moderately persistent; readily hydrolyzes under alkaline conditions
Bioaccumulation Potential: Low (< 1); limited tendency to build up in aquatic life
Mobility in Soil: Mobile in soil; can leach to groundwater
Other Adverse Effects: Can reduce microbial activity in soil and water at high concentrations
Waste Treatment Methods: Collect and dispose of residues in accordance with local, regional, and national environmental regulations. Send significant quantities for chemical incineration under controlled conditions
Container Disposal: Rinse thoroughly, then send containers for recycling or disposal at certified hazardous waste facility.
Other Information: Avoid discharge to surface water or sewage systems. Certified waste disposal contractor should manage disposal.
UN Number: UN 2810
UN Proper Shipping Name: Toxic liquid, organic, n.o.s. (contains Dichloropropanol)
Transport Hazard Class: 6.1 (toxic substances)
Packing Group: II
Marine Pollutant: Yes
Special Precautions: Ship in tightly closed containers, secure from movement. Follow special labeling and packaging requirements per relevant transport codes.
Regulatory Reference: IMDG, IATA, ADR applicable for all international shipments.
OSHA: Regulated as a hazardous substance under Hazard Communication Standard
EPA: Listed on TSCA inventory, subject to certain reporting and use restrictions
REACH: Registered, requires workplace risk management measures
IARC: Group 2B (possibly carcinogenic to humans)
SARA Title III: Section 313, reportable chemical
Other International Regulations: Listed in Canadian DSL, Australian AICS, Japanese ENCS inventories. Observe all country-specific restrictions and reporting requirements.
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