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Material Safety Data Sheet: Diethylene Glycol Hexyl Ether

1. Identification

Product Name: Diethylene Glycol Hexyl Ether
Synonyms: 2-(2-Hexyloxyethoxy)ethanol, DEGH
CAS Number: 112-59-4
Product Use: Solvent in coatings, cleaning agents, inks
Supplier Information: Contact details for local manufacturer or distributor usually found in this section
Emergency Contact: Dedicated emergency phone number for chemical incidents
Recommended Restrictions: Not for food, drug, or household use

2. Hazard Identification

GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2)
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may be harmful if swallowed
Pictograms: Exclamation mark
Precautionary Statements: Avoid inhalation, wear protective gloves and eye protection, wash hands after handling
Description of Hazards: Liquid may irritate eyes and skin; repeated exposure could affect kidneys and liver; vapors could cause headaches, dizziness

3. Composition / Information on Ingredients

Chemical Name: 2-(2-Hexyloxyethoxy)ethanol
CAS Number: 112-59-4
Content: 98-100%
Impurities: Low levels of related glycol ethers possible
Other Identifiers: None expected in commercial grades

4. First Aid Measures

Inhalation: Move person to fresh air, watch for breathing difficulty, seek medical attention if symptoms persist
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical advice if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, consult a doctor
Ingestion: Rinse mouth with water, do not induce vomiting, consult poison control or physician
Most Important Symptoms: Redness, irritation, burning sensation

5. Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Specific Hazards: May produce carbon monoxide, carbon dioxide, and other toxic fumes during combustion
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and protective clothing
Advice for Firefighters: Move containers from fire area if safe, cool exposed tanks with water spray, avoid breathing vapors
Flammability: Low flammability, but can burn if strongly heated

6. Accidental Release Measures

Personal Precautions: Ventilate area, wear chemical-resistant gloves, goggles, and protective clothing
Environmental Precautions: Prevent entry into drains, sewers, and waterways
Containment & Clean-up: Absorb with inert material (sand, earth, vermiculite), collect in suitable container for disposal, wash spill site with water after material pickup
Reporting Requirements: Notify authorities if large quantities contaminate environment

7. Handling and Storage

Handling: Use only in well-ventilated areas, avoid splashing, avoid skin and eye contact, no eating or drinking near work area, wash thoroughly after handling
Storage: Keep containers tightly closed in a cool, dry, well-ventilated place, store away from acids and oxidizers, use original container, provide spill trays if stored in bulk
Incompatibilities: Strong oxidizing agents, acids

8. Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust ventilation to keep airborne levels low
Personal Protection: Safety goggles, chemical-resistant gloves (nitrile or neoprene), long sleeves
Respiratory Protection: Tight-fitting respirator if ventilation insufficient
Occupational Exposure Limits: No established US OSHA or ACGIH limit for DEGH, but keep exposure as low as reasonable
Hygiene Measures: Wash hands, do not smoke or eat in work area, remove contaminated clothing promptly

9. Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid
Odor: Slight, mild odor
Odor Threshold: Not established
pH: 5.5 – 7.0 (50 g/L, 20°C)
Melting Point/Freezing Point: -67°C
Boiling Point: 268°C
Flash Point: 127°C (closed cup)
Evaporation Rate: Slower than water
Flammability: Not classified as flammable liquid
Explosion Limits: Not established
Vapor Pressure: 0.03 mmHg (20°C)
Vapor Density: Approximately 6 (Air = 1)
Density/Specific Gravity: 0.93 – 0.94 g/cm³ (20°C)
Solubility: Slightly soluble in water
Partition Coefficient (n-octanol/water): 1.2
Auto-ignition Temperature: 270°C
Decomposition Temperature: Not determined
Viscosity: 6 mPa.s (20°C)

10. Stability and Reactivity

Chemical Stability: Stable under normal storage and handling conditions
Reactivity: No dangerous reactions known under normal use
Hazardous Reactions: Can react with strong oxidizers, acids
Decomposition Products: Forms toxic gases (CO, CO₂) on combustion
Conditions to Avoid: Heat, sparks, open flame, strong acids, oxidizers

11. Toxicological Information

Routes of Entry: Inhalation, skin, eyes, ingestion
Acute Toxicity: LD50 (oral, rat) > 2,000 mg/kg; LD50 (dermal, rabbit) > 2,000 mg/kg
Skin Effects: May cause mild to moderate irritation
Eye Effects: Causes irritation, tearing, redness
Inhalation Effects: Vapors may cause headache, dizziness
Chronic Effects: Long-term exposure could harm kidneys, liver (animal studies); not known to be carcinogenic
Sensitization: Not known to cause allergic skin reaction
Mutagenicity/Carcinogenicity: No data suggesting mutagenic or carcinogenic effect

12. Ecological Information

Ecotoxicity: Harmful to aquatic life at high concentrations
Aquatic Toxicity: LC50 (fish, 96h): > 100 mg/L; EC50 (daphnia, 48h): > 100 mg/L
Biodegradability: Readily biodegradable in water and soil
Bioaccumulation Potential: Low, expected to have little tendency to bioaccumulate
Mobility in Soil: Moderate mobility expected based on water solubility
Other Adverse Effects: Not expected to contribute to ozone depletion or photochemical smog

13. Disposal Considerations

Waste Disposal Methods: Send to licensed chemical disposal facility, follow local regulations for industrial chemical waste
Container Disposal: Empty containers thoroughly, dispose as hazardous waste
Special Precautions: Do not incinerate closed containers, avoid discharge into drains, minimize environmental contamination

14. Transport Information

UN Number: Not classified as dangerous goods under most transport regulations
Proper Shipping Name: Not regulated
Hazard Class: Not regulated
Packing Group: Not regulated
Marine Pollutant: Not specifically listed
Special Precautions: Prevent leaks or spills during transport, avoid extreme temperatures

15. Regulatory Information

OSHA: Not specifically regulated by OSHA
TSCA: Listed on the US TSCA Inventory
REACH: Registered substance in the European Union
DSL/NDSL (Canada): On the Domestic Substances List
SARA Title III: Not a reportable substance under Sections 302, 304, 313
California Proposition 65: Not listed
Other International Regulations: Included in chemical inventories of most developed nations
Label Elements: Product labels must clearly state hazards, handling, and emergency information as required by GHS/OSHA