Normal Butanol

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Normal Butanol is a straight-chain primary alcohol with the chemical formula C4H10O. It is a colorless, flammable liquid with a characteristic alcoholic odor. Known for its good solvent properties and moderate evaporation rate, n-Butanol is widely used in industrial applications such as solvents for paints, coatings, adhesives, and as an intermediate in chemical synthesis.

 

Description

Normal Butanol

Primary Uses 

  1. Solvent Applications 
    • Used extensively as a solvent in paints, varnishes, coatings, and printing inks due to its ability to dissolve a wide range of materials. 
    • Acts as a solvent for cellulose esters and ethers in lacquer formulations. 
  2. Chemical Intermediate 
    • Serves as a feedstock in the production of butyl acetate, butyl acrylate, and other esters used in coatings and adhesives. 
    • Used in the manufacture of plasticizers, lubricants, and pharmaceuticals. 
  3. Cleaning and Degreasing 
    • Applied in industrial cleaners and degreasers for metal parts due to its good solvency for oils and greases. 
  4. Extraction Solvent 
    • Employed in extraction processes in the pharmaceutical and chemical industries. 

Secondary Uses 

  1. Laboratory Reagent 
    • Used as a solvent and reagent in organic synthesis and analytical procedures. 
  2. Fuel Additive 
    • Occasionally used as a component in fuel blends and biofuel formulations. 
  3. Cosmetic Industry 
    • Utilized in small quantities as a solvent or fragrance carrier in personal care products (with restrictions). 
  4. Food Industry (Limited Use) 
    • Used as a flavoring agent or solvent in food-grade formulations but under strict regulation. 

 

KEY PRODUCT FEATURES

Key Attributes

Basic Identification Attributes

  • Chemical Name (IUPAC): Butan-1-ol 
  • Common/Trade Name: Normal Butanol, n-Butanol 
  • CAS Number: 71-36-3 
  • HS Code: 2905.12.00 (Primary alcohols) 
  • Synonyms: 1-Butanol, n-Butyl alcohol 

Physical & Chemical Properties

  • Physical State: Clear, colorless liquid 
  • Odor: Characteristic alcoholic odor 
  • Boiling Point: 117.7°C 
  • Melting Point: -89.8°C 
  • Density: 0.81 g/cm³ at 20°C 
  • Solubility: Slightly soluble in water; miscible with most organic solvents 
  • Flash Point: 35°C (closed cup) 

Safety & Hazard Attributes

  • GHS Classification: Flammable liquid (Category 3), Irritant 
  • Toxicity: Moderate; harmful if swallowed or inhaled in large quantities 
  • Exposure Limits: OSHA PEL 100 ppm (TWA), ACGIH TLV 20 ppm (TWA) 

Storage & Handling Attributes

  • Storage Conditions: Store in cool, well-ventilated area away from heat, sparks, and open flame 
  • Container Type: Supplied in 165 kg metal drums or suitable chemical containers 
  • Shelf Life: Typically 12 months if stored properly 
  • Handling Precautions: Use protective gloves, goggles, and ensure good ventilation 

 

Regulatory & Compliance Attributes

  • Complies with OSHA, EPA, and REACH regulations 
  • Listed in major chemical inventories such as TSCA, EINECS, and DSL 
  • Subject to transportation regulations due to flammability 

 

Environmental & Health Impact

  • Biodegradability: Readily biodegradable 
  • Ecotoxicity: Moderate toxicity to aquatic life; avoid environmental release 
  • Bioaccumulation: Low potential 
  • Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic 
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Gloves, safety goggles, flame-resistant clothing recommended 
  • Handling Guidelines: Avoid inhalation of vapors; prevent skin and eye contact 
  • Storage Measures: Keep containers tightly closed; store away from incompatible materials such as strong oxidizers 

 

First Aid Measures

  1. Inhalation: Move to fresh air; provide oxygen if breathing is difficult; seek medical attention 
  2. Skin Contact: Wash affected area with soap and water; remove contaminated clothing 
  3. Eye Contact: Rinse eyes with water for at least 15 minutes; seek medical attention if irritation persists 
  4. Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical help 

 

Firefighting Measures

  • Fire Hazards: Flammable liquid and vapor; vapor may travel and ignite at distant sources 
  • Extinguishing Media: Use foam, dry chemical, COâ‚‚, or water spray to extinguish 
  • Special Precautions: Evacuate area; use self-contained breathing apparatus and protective gear 
  • Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and other toxic fumes