Product Name: 3-Chloropropylmethyldipropoxysilane
Synonyms: Dipropoxy(3-chloropropyl)methylsilane
Product Code: 112-30CPMDPS
Recommended Use: Intermediate for organic synthesis and surface modification
Manufacturer: [Insert Manufacturer Details]
Emergency Phone Number: [Insert Emergency Contact Number]
Classification: Flammable liquid, Acute toxicity oral, Skin irritation, Eye irritation
Hazard Statements: Causes serious eye irritation, May cause respiratory irritation, Harmful if swallowed, Flammable liquid and vapor
Pictograms: Flame, Exclamation mark, Health hazard
Signal Word: Danger
Precautionary Statements: Keep away from heat, sparks, open flames, and hot surfaces; avoid breathing vapors; use only outdoors or in a well-ventilated area; wear protective gloves, clothing, and eye protection; wash hands thoroughly after handling; do not eat, drink, or smoke while using this product
Chemical Name: 3-Chloropropylmethyldipropoxysilane
CAS Number: 4367-35-7
EC Number: 224-457-4
Purity: >96%
Impurities: Dipropoxymethylsilane, trace amounts of hydrochloric acid
Molecular Formula: C10H23ClO2Si
Inhalation: Move person to fresh air. Monitor breathing, keep comfortable, seek immediate medical attention if symptoms persist.
Skin Contact: Remove contaminated clothing. Rinse skin with plenty of water and mild soap for 15 minutes, get medical help for irritation or burns.
Eye Contact: Rinse cautiously with water for several minutes, holding eyelids open, remove contact lenses if present, consult a doctor immediately.
Ingestion: Rinse mouth, do not induce vomiting, seek medical attention immediately.
Symptoms/Effects: Irritation to eyes and respiratory tract, nausea, dizziness, headache, burning sensation on skin
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, carbon dioxide, water spray (do not use water jet)
Unsuitable Extinguishing Media: Direct water jet may spread fire
Hazardous Combustion Products: Hydrogen chloride, silicon oxides, carbon oxides, chlorinated compounds
Special Protective Equipment: Self-contained breathing apparatus, full protective clothing
Firefighting Precautions: Evacuate area, cool exposed containers with water mist, prevent fire-fighting runoff from entering drains or watercourses
Personal Precautions: Avoid inhalation, ventilate area, remove ignition sources, evacuate unprotected personnel
Protective Equipment: Chemical-resistant gloves, organic vapor respirator, safety goggles, antistatic shoes
Environmental Precautions: Prevent runoff to soil, drains, and waterways
Methods for Cleanup: Absorb liquid with inert absorbent (sand, vermiculite), transfer to secure container for proper disposal, wash area with soap and water
Handling: Handle in a chemical fume hood, avoid skin/eye/respiratory contact, wear appropriate PPE, ground containers when transferring, use spark-proof tools, avoid static buildup
Storage: Store tightly closed in cool, dry, well-ventilated area, keep away from direct sunlight, heat, oxidizing agents, acids, and open flames, segregate from incompatible materials, ensure secondary containment
Occupational Exposure Limits: None established for this substance; minimize exposure regardless
Engineering Controls: Local exhaust and general ventilation to minimize vapor levels
Personal Protective Equipment: Chemical-resistant gloves, long-sleeved protective clothing, splash goggles, face shield if risk of splashing, suitable ABEK-type respirator for organic vapors
Hygiene Measures: Remove contaminated clothing before entering eating areas, wash hands thoroughly after use, do not smoke, eat, or drink during handling
Appearance: Clear to pale yellow liquid
Odor: Slight, characteristic
Odor Threshold: Not determined
pH: Not applicable
Melting Point/Freezing Point: -25°C
Boiling Point/Range: 90–110°C at 25 mmHg
Flash Point: 59°C (closed cup)
Evaporation Rate: Not determined
Flammability: Flammable liquid
Vapor Pressure: 3 mmHg at 25°C
Vapor Density: Heavier than air
Relative Density: 0.98–1.02 g/cm³
Solubility: Slightly soluble in water, miscible with common organic solvents
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: 235°C
Decomposition Temperature: Not determined
Viscosity: 1.5–2.0 cP at 25°C
Reactivity: Reacts with strong acids, bases, oxidizers
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: Hydrolyzes slowly in water forming alcohols and hydrochloric acid
Conditions to Avoid: Excess heat, ignition sources, moisture
Incompatible Materials: Strong oxidizers, strong acids, bases, water/moisture
Hazardous Decomposition Products: Hydrogen chloride, silicon oxides, chlorinated hydrocarbons
Acute Toxicity: Oral LD50 (rat): >500 mg/kg
Skin Corrosion/Irritation: Causes moderate to severe irritation
Serious Eye Damage/Irritation: Severe irritation, risk of eye burns
Respiratory or Skin Sensitization: Not classified as a sensitizer but may cause irritation
Germ Cell Mutagenicity: Data not sufficient
Carcinogenicity: Not listed by NTP, IARC, or OSHA
Reproductive Toxicity: No data available
Specific Target Organ Toxicity – Single Exposure: May cause respiratory tract irritation
Specific Target Organ Toxicity – Repeated Exposure: No data available
Aspiration Hazard: Not expected under normal conditions
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Hydrolyzes slowly in presence of water, some breakdown products may persist
Bioaccumulative Potential: Moderate potential based on structure
Mobility in Soil: Low to moderate, binds to soil particles, hydrolyzes
Other Adverse Effects: Prevent release to the environment, can be harmful to aquatic and terrestrial organisms
Waste Treatment Methods: Dispose of as hazardous chemical waste through licensed contractor
Product Disposal: Incinerate in approved facility, avoid landfill or uncontrolled release
Container Disposal: Triple rinse containers, puncture and send to approved facility
Precautions: Do not allow material or wash water to enter drains, watercourses, or ground
UN Number: 1993
UN Proper Shipping Name: Flammable Liquid, N.O.S. (3-Chloropropylmethyldipropoxysilane)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Marine Pollutant: Yes
Transport Labels: Flammable liquid
Special Precautions: Keep away from food or feedstuff shipments, transport in upright position, follow national and local regulations for hazardous goods
USA (OSHA): Hazardous Chemical, subject to Hazard Communication Standard
TSCA (Toxic Substances Control Act): Listed
EU (REACH): Not fully registered; substance subject to classification, labeling, and packaging (CLP) Regulation
Canada (DSL/NDSL): Consult national inventory status
Other Regulations: SARA Title III Section 313 not listed, not subject to California Proposition 65
Workplace Classification: Requires risk and safety phrases on labels, Safety Data Sheet available to employees
International Inventories: Refer to relevant country or region for inventory status
