Normal Butyl Acetate

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Normal Butyl Acetate (n-Butyl Acetate) is a clear, colorless, flammable liquid with a sweet, fruity odor. It is an ester formed by the reaction of acetic acid and n-butanol. Widely used as a solvent in various industries, it offers excellent solvency for many resins and coatings, making it a preferred choice in paints, adhesives, and inks. Its moderate evaporation rate contributes to good application properties.

 

Description

Normal Butyl Acetate

Primary Uses 

  1. Solvent in Coatings and Paints
    • Used extensively as a solvent for nitrocellulose, acrylic, and alkyd resins in paints, varnishes, and lacquers.
    • Helps achieve smooth film formation and good gloss.
  2. Adhesives Industry
    • Solvent for various adhesives including rubber-based and acrylic adhesives.
    • Enhances spreadability and drying characteristics.
  3. Printing Inks
    • Utilized in formulating printing inks due to its effective solvency and evaporation profile.
  4. Chemical Intermediate
    • Acts as an intermediate in the synthesis of other chemicals and esters.

Secondary Uses

  1. Cleaning and Degreasing Agent
    • Used in industrial cleaning formulations to dissolve greases and oils.
  2. Fragrance and Flavor Industry
    • Employed in small quantities as a solvent for perfumes and flavor extracts.
  3. Pharmaceuticals
    • Used as a solvent or carrier in pharmaceutical preparations.
  4. Laboratory Use
    • Applied as a solvent and extraction agent in various laboratory processes.

 

KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name (IUPAC): Butyl ethanoate
  • Common/Trade Name: Normal Butyl Acetate, n-Butyl Acetate
  • CAS Number: 123-86-4
  • HS Code: 2915.35.00
  • Synonyms: Butyl acetate, Butyl ethanoate

2. Physical & Chemical Properties

  • Physical State: Clear, colorless liquid
  • Odor: Sweet, fruity odor reminiscent of pear drops
  • Boiling Point: 126°C
  • Melting Point: -78°C
  • Density: 0.88 g/cm³ at 20°C
  • Solubility: Slightly soluble in water; miscible with most organic solvents
  • Flash Point: 27°C (closed cup)

3. Safety & Hazard Attributes

  • GHS Classification: Flammable liquid (Category 3), Irritant
  • Toxicity: Low to moderate; harmful if inhaled or swallowed in large amounts
  • Exposure Limits: OSHA PEL 150 ppm (TWA), ACGIH TLV 150 ppm (TWA)

4. Storage & Handling Attributes

  • Storage Conditions: Store in cool, well-ventilated area away from ignition sources
  • Container Type: Supplied in metal drums or chemical-grade containers
  • Shelf Life: Typically 12 months if stored properly
  • Handling Precautions: Use gloves and goggles; ensure adequate ventilation

5. 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

 

6. Environmental & Health Impact

  • Biodegradability: Readily biodegradable
  • Ecotoxicity: Moderate toxicity to aquatic organisms; 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 and skin contact
  • Storage Measures: Keep containers tightly closed and away from incompatible substances such as strong oxidizers

First Aid Measures

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

Firefighting Measures

  • Fire Hazards: Flammable liquid and vapor; vapors may form explosive mixtures with air
  • Extinguishing Media: Use foam, dry chemical, CO₂, or water spray
  • Special Precautions: Evacuate area; use self-contained breathing apparatus and protective gear
  • Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and other toxic fumes