Product Name: 7-Chloroheptanoic Acid
CAS Number: 3753-62-2
Synonyms: Heptanoic acid, 7-chloro-; 7-Chlorocaprylic acid
Molecular Formula: C7H13ClO2
Molecular Weight: 164.63 g/mol
Recommended Use: Research, synthesis, specialty chemical manufacturing
Manufacturer/Supplier: Chemical supply companies and research distributors
Emergency Telephone: Local poison control centers or chemical emergency hotlines
GHS Classification: Skin corrosion/irritation (Category 2), Eye damage/irritation (Category 2A), Specific target organ toxicity – single exposure (Category 3, respiratory tract irritation)
Pictograms: Exclamation mark, Corrosive
Signal Word: Warning
Hazard Statements: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: Wear protective gloves/clothing/eye/face protection. Avoid breathing dust, fumes, gas, mist, vapors, spray. Use only outdoors or in a well-ventilated area. IF ON SKIN: Wash with plenty of water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Substance: 7-Chloroheptanoic Acid
Concentration: 100% (pure compound)
Impurities: Trace residual solvents or by-products from synthesis possible
Ingredient CAS Number: 3753-62-2
Other Identifiers: Not applicable
Formula: C7H13ClO2
General Advice: Get medical attention if you feel unwell or symptoms persist.
Inhalation: Move person into fresh air. Offer oxygen if breathing is difficult. Seek medical assessment.
Skin Contact: Remove contaminated clothing. Wash skin with soap and water for several minutes. Call for medical advice if irritation remains.
Eye Contact: Rinse cautiously with water for 15 minutes, keeping eyelids open. Remove contacts if possible. Seek medical advice quickly.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek immediate medical attention.
Most Important Symptoms/Effects: Burning sensation, redness, watering eyes, coughing, chest discomfort
Indication for Immediate Medical Attention: Severe irritation, difficulty breathing, persistent symptoms
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: Do not direct water jet onto burning product due to spread risk
Hazardous Combustion Products: Carbon oxides, hydrogen chloride, chlorine-containing compounds
Protective Equipment: Firefighters wear self-contained breathing apparatus and full turnout gear
Special Hazards: Product can release toxic vapors on burning. Containers may rupture under fire conditions.
Firefighting Instructions: Evacuate area. Use water spray to cool unopened containers. Prevent run-off from entering drains or watercourses.
Personal Precautions: Keep people away from spill area. Ventilate the space. Wear chemical-resistant gloves, goggles, and protective clothing.
Environmental Precautions: Prevent entry into drains, sewers, waterways.
Cleanup Methods: Absorb spill with inert material (sand, earth). Sweep up and place in a suitable container for disposal. Clean area with detergent and water.
Reference to Other Sections: Use protective equipment listed in section on personal protection. Dispose waste as in Disposal section.
Handling: Use in a well-ventilated area. Avoid inhalation, ingestion, or skin/eye contact. Handle with care to avoid spillage.
Storage Conditions: Store in tightly closed container, in a dry, cool, well-ventilated area. Keep out of direct sunlight. Separate from acids, oxidizers, bases, and incompatible substances.
Incompatibilities: Strong oxidizers, strong bases, reducing agents
Safe Handling Advice: Do not eat, drink, or smoke while handling chemical. Wash hands thoroughly after use.
Engineering Controls: Use process enclosures, local exhaust ventilation, or other controls to maintain airborne levels below recommended exposure limits.
Personal Protective Equipment:
Appearance: Colorless to pale yellow liquid (may solidify at low temperature)
Odor: Pungent, fatty acid-like
Odor Threshold: Data not available
pH: Acidic in solution
Melting Point/Freezing Point: Around 16-22 °C
Boiling Point/Range: Approximately 152-153 °C at 15 mmHg
Flash Point: Data not available
Evaporation Rate: Data not available
Flammability: Not classified as flammable
Explosive Limits: Data not available
Vapor Pressure: Data not available
Vapor Density: Data not available
Relative Density: Approximately 1.2 g/cm³
Solubility: Slightly soluble in water, miscible with organic solvents (ethanol, diethyl ether)
Partition Coefficient (n-octanol/water): Data not available
Autoignition Temperature: Data not available
Decomposition Temperature: Above 200 °C
Viscosity: Data not available
Reactivity: May react with strong oxidizers or strong bases.
Chemical Stability: Stable under recommended storage conditions.
Stability: Avoid excessive heat, open flames, direct sunlight.
Hazardous Reactions: Reacts with bases and oxidizers to produce heat and possibly toxic products.
Hazardous Decomposition: Carbon monoxide, carbon dioxide, hydrogen chloride, other toxic vapors
Incompatible Materials: Oxidizers, strong bases, reducing agents, amines
Likely Routes of Exposure: Skin contact, eye contact, inhalation, ingestion
Acute Toxicity: Toxicological data on 7-chloroheptanoic acid limited; structurally related fatty acids show moderate dermal and oral toxicity
Skin Corrosion/Irritation: Causes irritation, redness, discomfort
Eye Damage/Irritation: Serious irritation, may cause redness, pain, tearing
Respiratory or Skin Sensitization: Prolonged inhalation may lead to coughing, throat irritation
Carcinogenicity: Not classifiable based on available data
Germ Cell Mutagenicity: No observable evidence, based on class
Reproductive Toxicity: No documented studies or evidence at typical exposure levels
STOT Single Exposure: May cause respiratory irritation, dizziness, headache
STOT Repeated Exposure: No data
Aspiration Hazard: Not expected based on physical form
Other Health Effects: Overexposure may cause mucous membrane irritation, skin dryness, or gastrointestinal discomfort following ingestion
Ecotoxicity: Limited data for 7-chloroheptanoic acid; chlorinated carboxylic acids may have harmful effects on aquatic organisms at certain concentrations
Persistence and Degradability: Not rapidly biodegradable; potential for environmental persistence
Bioaccumulative Potential: Expected to have low-to-moderate bioaccumulation owing to carboxylic acid group
Mobility in Soil: Likely to have some mobility due to partial solubility in water
Other Adverse Effects: Avoid direct release to environment; possible aquatic toxicity with high concentration or chronic exposure
Further Information: Handle chemical waste responsibly to avoid environmental contamination
Product Disposal: Collect and deliver waste to a certified chemical disposal facility. Do not dispose of waste via drains.
Contaminated Packaging: Clean containers with detergent, rinse thoroughly. Dispose with complete labeling as chemical waste.
Waste Codes: Not specifically regulated, but treat as hazardous chemical waste.
Sewage Disposal Restrictions: Do not discharge into municipal sewer systems.
Special Disposal Instructions: Consult local, state, and federal regulations before disposal. Avoid uncontrolled environmental release.
UN Number: Not classified under standard UN numbers for transport
UN Proper Shipping Name: Not regulated as a dangerous good by most international agencies
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: Not listed as marine pollutant
Special Precautions for User: Make sure packaging is secure and labeled. Keep away from foodstuffs and feed.
Transportation in Bulk: Not subject to bulk transport regulations
ADR/RID/IMDG/IATA: Product typically not subject to hazardous transport regulations unless shipped in bulk or with other hazardous chemicals
TSCA: Listed or compliant for research and development use
DSL/NDSL: Substance not listed on Domestic Substances List/Non-Domestic Substances List (Canada) for general consumer use
EINECS/ELINCS: Listed as a research chemical in Europe
OSHA: Not specifically regulated by OSHA as a hazardous chemical, but handle with care per laboratory standards
SARA Title III: Not listed as an extremely hazardous substance
California Proposition 65: Not listed as known to the State of California to cause cancer or reproductive toxicity
Other Regulations: Subject to chemical hygiene and safety planning in laboratory or industrial settings
Labeling Requirements: Follow GHS labeling protocols and workplace-specific hazard communication standards
