Product Name: 1,3-Dichloro-2-Propanol
Chemical Formula: C3H6Cl2O
CAS Number: 96-23-1
EC Number: 202-488-0
Synonyms: 1,3-DCP, 1,3-dichloropropan-2-ol, 2-hydroxy-1,3-dichloropropane
Recommended Use: Intermediate for organic synthesis; laboratory reagent
Manufacturer Information: Refer to packaging label for supplier contact details
Emergency Contact: Chemtrec 1-800-424-9300 (USA)
Classification: Acute toxicity (oral, dermal, inhalation); Skin and eye irritation; Carcinogenicity Class 2B (possible human carcinogen)
GHS Label Elements: Health Hazard, Skull and Crossbones, Exclamation Mark
Hazard Statements: Harmful if swallowed, causes skin and eye irritation, suspected of causing cancer, toxic to aquatic life
Routes of Exposure: Ingestion, skin absorption, inhalation
Precautionary Statements: Avoid breathing dust, vapors, spray; wash hands thoroughly after handling; avoid release to the environment
Chemical Name: 1,3-Dichloro-2-Propanol
Purity: > 98% by weight
Other Components: May contain trace impurities that do not alter classification
Molecular Weight: 128.99 g/mol
Ingredient Information: No recognized stabilizers, dyes, or additives
Inhalation: Move victim to fresh air; provide oxygen if breathing is difficult; seek immediate medical attention if symptoms persist
Skin Contact: Remove contaminated clothing; wash thoroughly with soap and running water for at least 15 minutes; after washing, consult a physician for persistent redness or irritation
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; continue rinsing and get immediate medical advice
Ingestion: Rinse mouth without inducing vomiting; seek prompt medical attention; never give anything by mouth to an unconscious person
Most Important Symptoms: Irritation, coughing, dizziness, headaches, skin redness, abdominal pain
Special Notes for Medical Personnel: Treat symptomatically and monitor respiratory, hepatic, and renal functions
Suitable Extinguishing Media: Water spray, foam, dry chemical powder, carbon dioxide
Unsuitable Extinguishing Media: Strong water jets
Specific Hazards: Forms toxic and corrosive gases (hydrogen chloride, phosgene, chlorine) during combustion
Advice for Firefighters: Use self-contained breathing apparatus (SCBA); full protective clothing; avoid inhalation of combustion products
Combustion Products: Carbon oxides, hydrogen chloride fumes
Further Notes: Contain run-off with sand or earth; prevent from entering drains or watercourses
Personal Precautions: Evacuate unnecessary personnel; use personal protection (see Section Exposure Controls); ventilate area
Environmental Precautions: Prevent entry into soil, waterways, drains, or sewers
Methods for Clean Up: Absorb with inert material such as dry sand or vermiculite; sweep or shovel into containers for disposal; wash area with detergent and water
Disposal Guidance: Dispose according to local, regional, and national regulations; label containers properly
Decontamination: Rinse spill site after material pickup is complete; ventilate the area
Handling: Use only in well-ventilated locations or chemical fume hoods; avoid skin and eye contact; wear proper PPE
Avoid: Inhalation of vapors, correspondence with open flames, direct sunlight, strong oxidizers
Storage: Store in tightly closed containers in a cool, dry, well-ventilated area, away from incompatible materials like strong bases or oxidizers
Special Precautions: Keep away from sources of ignition and heat; use explosion-proof electrical equipment
Container Materials: Use glass, polyethylene, or compatible coated steel
Routine Inspection: Regularly check for leaks or degradation; keep containers upright and clearly labeled
Occupational Exposure Limits: No OSHA PEL; ACGIH TLV not established; workplace concentrations should be minimized as much as possible
Engineering Controls: Use local exhaust ventilation or chemical fume hood
Personal Protective Equipment: Chemical safety goggles; nitrile or neoprene gloves; lab coat or apron; closed footwear
Respiratory Protection: Approved respirators recommended for spills, high concentrations, or poor ventilation
Hygienic Practices: Do not eat, drink, or smoke during use; wash thoroughly after handling; change contaminated clothing promptly
Monitoring: Monitor workplace air concentrations and surface contamination routinely
Appearance: Colorless to light yellow liquid
Odor: Sweet, chloroform-like
pH: Not applicable (neutral compound)
Boiling Point: 174–176°C at 1013 hPa
Melting Point: -35°C
Flash Point: 77°C (closed cup)
Auto-Ignition Temperature: 425°C
Vapor Pressure: 0.43 mbar at 20°C
Density: 1.378 g/cm³ at 20°C
Solubility: Miscible with water and organic solvents
Viscosity: 6.3 mPa·s at 25°C
Partition Coefficient (log Kow): 0.18
Decomposition Temperature: No data available
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with strong bases, strong oxidizing agents, and acids, releasing toxic gases
Conditions to Avoid: Exposure to extreme heat, open flames, moisture, and direct sunlight
Incompatibility: Strong oxidizers, strong bases, alkali metals
Hazardous Decomposition: Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide
Polymerization: Not known to polymerize under normal usage conditions
Likely Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Toxicity: LD50 (oral, rat): 120 mg/kg; LD50 (dermal, rat): 600 mg/kg
Skin Irritation: Causes moderate to severe redness and irritation
Eye Effects: Severe irritation, potential damage with direct exposure
Respiratory Effects: Coughing, sore throat, dizziness with inhalation
Sensitization: Not reported for skin; no significant respiratory sensitization documented
Chronic Effects: Liver and kidney damage, possible carcinogen; long-term skin contact may promote dermatitis
Additional Data: Mutagenic in several bacterial assays; some evidence of reproductive toxicity in animal studies; no sufficient data for humans
Eco-Toxicity: Toxic to aquatic organisms, may cause long-lasting effects in aquatic environments
Mobility: Moderately mobile in soil and water
Persistence and Degradability: Degrades slowly; considered moderately persistent
Bioaccumulation: Low potential for bioaccumulation (log Kow 0.18)
Hydrolysis: Not readily hydrolyzed under normal conditions
Aquatic Toxicity Data: LC50 (fish, 96h): 68.9 mg/L (Oncorhynchus mykiss); EC50 (daphnia, 48h): 12.2 mg/L
Further Information: Avoid release into environment; do not allow to enter watercourses, drains, or soil untreated
Waste Treatment Methods: Incineration in certified chemical incinerators equipped with afterburner and scrubber
Contaminated Packaging: Rinse with compatible solvent, then dispose of as hazardous waste
Local Regulations: Dispose of in compliance with all local, regional, and national regulations
Disposal of Spills: Collect, absorb, containerize, and label clearly for chemical waste collection
Avoid: Disposal via drains, watercourses, or municipal waste streams; improper disposal risks environmental contamination and personal exposure
UN Number: UN 2810
UN Proper Shipping Name: Toxic liquid, organic, n.o.s. (1,3-dichloro-2-propanol)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Label Requirements: Toxic label
Marine Pollutant: Yes
Special Precautions: Keep upright, prevent leakage, segregate from incompatible substances throughout transport
Road (ADR/RID), Sea (IMDG), Air (IATA): Hazardous for all major transport modes; follow ADR/RID, IMDG, and IATA rules for packaging and documentation
OSHA Status: Regulated as hazardous; OSHA Hazard Communication Standard applies
TSCA Inventory: Listed
SARA Title III: Section 302: Not extremely hazardous; Section 313: Subject to reporting; Section 311/312: Acute and chronic health hazard
WHMIS Classification (Canada): D1B – Toxic Material Causing Immediate and Serious Toxic Effects
California Prop 65: Listed as a chemical known to the State of California to cause cancer
REACH Status (EU): Subject to registration, usage restrictions for certain applications
Other International Regulations: Covered by GHS in many jurisdictions; workplace exposure and transport subject to national health and environmental protection requirements
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