Butanol

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Butanol  (also known as n-Butanol or Normal Butanol) is a clear, colorless liquid with a mild, alcoholic odor. It is a four-carbon primary alcohol with the chemical formula C4H10O. Butanol is moderately soluble in water and miscible with many organic solvents. Its physical and chemical properties make it a versatile solvent and chemical intermediate. Butanol  indicates a high purity grade often used in industrial, pharmaceutical, and chemical synthesis applications.

Description

Butanol

Primary Uses

  1. Industrial Solvent 
    • Used as a solvent in the manufacture of coatings, paints, adhesives, and inks. 
    • Serves as a solvent in the production of plastics and plasticizers. 
  2. Chemical Intermediate 
    • Employed in the synthesis of butyl acrylate, butyl acetate, and other esters. 
    • Utilized in producing glycol ethers and other specialty chemicals. 
  3. Pharmaceuticals 
    • Acts as a solvent or extraction agent in pharmaceutical manufacturing processes. 
    • Used in formulations requiring high purity solvents. 
  4. Fuel Additive 
    • Sometimes blended with gasoline or other fuels to improve combustion properties. 

Secondary Uses

  1. Cosmetics and Personal Care 
    • Used as a solvent in some fragrances and nail care products. 
  2. Laboratory Reagent 
    • Commonly used as a reagent or solvent in chemical laboratories for synthesis and analysis. 
  3. Agricultural Chemicals 
    • Ingredient in some pesticide formulations as a carrier solvent. 
PRODUCT KEY FEATURES

1. Basic Identification Attributes

  • Chemical Name (IUPAC): Butan-1-ol 
  • Common/Trade Names: Butanol 99.4%, n-Butanol, Normal Butanol 
  • CAS Number: 71-36-3 
  • HS Code: 2905.14.00 
  • Molecular Formula: C4H10O 
  • Molecular Weight: 74.12 g/mol 
  • Synonyms: 
    • 1-Butanol 
    • n-Butyl alcohol 
    • Normal butanol 
    • Butyl alcohol 

2. Physical & Chemical Properties

  • Physical State: Clear, colorless liquid 
  • Odor: Mild, alcoholic odor 
  • Boiling Point: 117.7 °C 
  • Melting Point: -89.8 °C 
  • Density: 0.81 g/cm³ at 20 °C 
  • Flash Point: 35 °C (closed cup) 
  • Solubility: Slightly soluble in water (~7.7 g/100 mL at 20 °C); miscible with alcohol, ether, and organic solvents 
  • Vapor Pressure: 6.6 kPa at 20 °C 
  • Refractive Index: 1.397 

3. Safety & Hazard Attributes

  • Hazard Class (GHS): Flammable Liquid, Category 3 
  • NFPA Ratings: 
    • Health: 2 
    • Flammability: 3 
    • Reactivity: 0 
  • Exposure Limits: 
    • OSHA PEL: 100 ppm (TWA) 
    • ACGIH TLV: 20 ppm (TWA) 
  • Toxicity: Moderate toxicity; exposure may cause CNS effects, irritation to eyes and respiratory tract 
  • Reactivity: Stable under normal conditions; avoid strong oxidizers 

4. Storage & Handling Attributes

  • Storage Conditions: Store in a cool, dry, well-ventilated area away from heat and ignition sources 
  • Container Type: Airtight metal or chemical-resistant containers 
  • Shelf Life: 2–3 years under proper storage conditions 
  • Special Handling: Use grounding and bonding to prevent static discharge; avoid inhalation of vapors and prolonged skin contact 

5. Regulatory & Compliance Attributes

  • Regulatory Status: Listed under REACH, TSCA, and other major chemical inventories 
  • Transportation: Classified as a flammable liquid under DOT, IMDG, and IATA 
  • Waste Disposal: Dispose of according to local, state, and federal hazardous waste regulations 

6. Environmental & Health Impact

  • Ecotoxicity: Harmful to aquatic organisms; avoid release into the environment 
  • Persistence: Readily biodegradable 
  • Bioaccumulation: Low potential for bioaccumulation 
  • Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic 
SAFETY HANDLING PRECAUTIONS

 Safety Handling Precautions

Personal Protective Equipment (PPE):

  • Chemical-resistant gloves 
  • Safety goggles or face shield 
  • Protective clothing (lab coat or apron) 
  • Respiratory protection if ventilation is inadequate 

Handling Measures:

  • Avoid inhalation of vapors and contact with skin or eyes 
  • Use in well-ventilated areas 
  • Ground and bond containers to prevent static discharge 

Storage Measures:

  • Keep containers tightly closed 
  • Store away from heat, sparks, open flames, and incompatible materials 

Hygiene Practices:

  • Wash hands thoroughly after handling 
  • Do not eat, drink, or smoke in the work area 

 

First Aid Measures

  • Inhalation: Move person to fresh air immediately; seek medical attention if symptoms persist 
  • Skin Contact: Wash affected area thoroughly with soap and water; seek medical help if irritation occurs 
  • Eye Contact: Rinse cautiously with water for at least 15 minutes; obtain medical attention if irritation continues 
  • Ingestion: Rinse mouth with water; do not induce vomiting; seek immediate medical care 

 

Firefighting Measures

  • Fire Hazards: Highly flammable liquid and vapor; vapors can travel to ignition sources and flash back 
  • Extinguishing Media: Use alcohol-resistant foam, dry chemical powder, CO₂, or water spray 
  • Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus (SCBA) 
  • Decomposition Products: May emit toxic fumes including carbon monoxide and carbon dioxide under fire conditions