Product Name: 1,7-Heptanediol
Chemical Formula: C7H16O2
Synonyms: Heptane-1,7-diol, HPO
CAS Number: 629-30-1
Recommended Use: Intermediate in organic synthesis, polymer manufacturing, lab reagent
Restrictions on Use: For industrial, laboratory, or manufacturing purposes
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Classification: Not classified as hazardous under GHS regulation, may cause mild skin and eye irritation
Label Elements: No pictogram required, precautionary statement advised
Target Organs: Eyes, skin
Potential Health Effects: Prolonged exposure can cause irritation, not considered carcinogenic, non-mutagenic
Environmental Hazards: Not expected to pose significant threats to wildlife or aquatic organisms, but large spills may impact local ecosystems
Signal Word: None assigned
Chemical Name: 1,7-Heptanediol
Purity: ≥ 99%
Impurities: Trace amounts of related diols, water (≤ 1%)
Hazardous Components: None identified at or above regulatory thresholds
Formula Weight: 132.20 g/mol
Eye Contact: Rinse gently with water for several minutes, remove contact lenses if present and easy to do, seek medical attention if irritation persists
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical advice if symptoms occur
Inhalation: Move to fresh air, keep comfortable for breathing, consult physician if breathing problems develop
Ingestion: Rinse mouth with water, drink small amount of water if conscious, seek medical help if feeling unwell
Most Important Symptoms/Effects: Irritation, redness, discomfort to affected areas
Notes for Physicians: Treat symptoms supportively, no specific antidote known
Suitable Extinguishing Media: Dry chemical, CO2, foam, water spray
Unsuitable Extinguishing Media: Strong water jets may spread material
Hazardous Combustion Products: Carbon oxides (CO, CO2), irritating fumes
Protective Equipment for Firefighters: Wear positive pressure self-contained breathing apparatus and full protective clothing
Special Firefighting Procedures: Move containers from fire area if safe, use water spray to cool exposed containers, avoid inhalation of combustion gases
Flash Point: >113°C (closed cup)
Personal Precautions: Wear chemical-resistant gloves, eye protection, protective clothing
Environmental Precautions: Prevent spillage from entering drains or waterways, notify authorities if large releases occur
Containment & Cleanup Methods: Absorb liquid with inert material (sand, earth), collect in appropriate containers, ventilate area, decontaminate spill zone with water and detergent
Emergency Procedures: Cordon off spill area, evacuate unnecessary personnel, follow site spill response plans
Precautions for Safe Handling: Work in well-ventilated area, avoid inhalation and contact with skin/eyes, do not eat or drink when using the product, keep containers tightly closed
Storage Conditions: Store in a cool, dry, well-ventilated place, away from incompatible materials, protect from heat and direct sunlight
Incompatible Materials: Strong oxidizers, acids, metal catalysts
Packaging Materials: Use containers made from steel, glass, or compatible plastics, ensure proper sealing
Occupational Exposure Limits: No established limits for 1,7-heptanediol
Engineering Controls: Provide adequate ventilation, local exhaust for large-scale use
Personal Protective Equipment: Chemical splash goggles, gloves (nitrile or neoprene), protective lab coat or apron, safety shoes
Respiratory Protection: Not typically required for small-scale work, use NIOSH-approved respirators in case of dusts/vapors
Hygiene Measures: Wash hands thoroughly after handling, do not store with food or beverages, maintain good housekeeping practices
Appearance: Colorless, viscous liquid or low-melting solid
Odor: Slight characteristic odor
Odor Threshold: Not available
Melting Point/Freezing Point: 17–19°C
Boiling Point/Range: 251–253°C
Flash Point: >113°C (closed cup)
Evaporation Rate: Not determined
Flammability: Not highly flammable, but can burn
Lower/Upper Flammability Limit: Not determined
Vapor Pressure: <0.01 mmHg (20°C)
Vapor Density: Not available
Relative Density: 0.93–0.94 (20°C)
Solubility: Soluble in water, alcohols
Partition Coefficient (n-octanol/water): log Kow = -0.14
Auto-ignition Temperature: Not determined
Decomposition Temperature: Not determined
Viscosity: 30–40 mPa·s (20°C)
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: No dangerous reactions under normal conditions
Conditions to Avoid: Excessive heat, open flames, incompatible materials
Incompatible Materials: Strong acids, bases, oxidizers, reducing agents
Hazardous Decomposition Products: Thermal decomposition may yield carbon oxides
Polymerization: Not expected to occur
Acute Toxicity: LD50 (oral, rat): >5000 mg/kg (low toxicity)
Skin Corrosion/Irritation: Slight, reversible skin irritation possible
Serious Eye Damage/Irritation: Mild, reversible irritation
Respiratory or Skin Sensitization: Not expected to cause sensitization
Germ Cell Mutagenicity: No evidence of mutagenic effects
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Reproductive Toxicity: No known effects
Specific Target Organ Toxicity: Not listed
Aspiration Hazard: Not expected
Toxicity: Not expected to cause acute aquatic toxicity based on available data
Persistence and Degradability: Biodegradable, breakdown by microorganisms
Bioaccumulation Potential: Low (log Kow = -0.14 indicates low potential)
Mobility in Soil: Likely mobile in soil and water due to high solubility
Other Adverse Effects: No additional hazards known, responsible disposal advised to avoid large releases
Recommended Disposal Methods: Handle off-site following local, regional, and national regulations, send to approved waste disposal facility
Contaminated Packaging: Triple-rinse containers before disposal, recycle if possible or dispose as hazardous waste
Special Precautions: Avoid disposal in sewage, waterways, or unauthorized landfills, keep records of disposal
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Environmental Hazards: Not environmentally hazardous for transport
Special Precautions for User: Secure containers to prevent leaks, verify local requirements for documentation and safety
Transport in Bulk: Follow rules in accordance with MARPOL Annex II and IBC code if shipping large quantities
OSHA Status: Not hazardous under OSHA Hazard Communication Standard
TSCA Inventory: Listed
REACH Status (EU): Pre-registered
SARA Title III Sections 302, 304, 311/312, 313: Not listed
WHMIS Classification (Canada): Not classified as hazardous
California Prop 65: Not listed
Other Regulations: Users must comply with local chemical safety regulations and workplace requirements
