99.9% Ethyl butyrate

99.9% Ethyl butyrate

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  • Category

    Organic acid ester series

  • Describe

    Ethyl butyrate is an ester organic compound with a strong fruity aroma. It is one of the most commonly used fruit flavors and is widely used in food, beverages, daily chemical products, and flavor and fragrance industries.

  • Cas No.

    105-54-4

  • Purity

    99.9%

  • Synonym(s)

Physical and chemical properties

  • 1. Chemical Identity
    • Chemical Name: Ethyl butyrate
    • IUPAC Name: Ethyl butanoate
    • Synonyms: Ethyl n-butanoate, Butyric acid ethyl ester
    • CAS Number: 105-54-4
    • EC Number: 203-306-4
    • Molecular Formula: C6​H12​O2​
    • Molecular Weight: 116.16 g/mol
  • 2. Physical Properties
    • Appearance: Clear, colorless liquid.
    • Odor: Strong, sweet, fruity odor, commonly associated with pineapple.
    • Melting Point: -93 °C (-135 °F)
    • Boiling Point: 120-121 °C (248-250 °F) at 1013 hPa
    • Density: 0.875 g/cm³ at 20 °C
    • Solubility:
    • In Water: 5.9 g/L at 20 °C (Slightly soluble)
    • In Organic Solvents: Miscible with ethanol, diethyl ether, and other common organic solvents.
    • Vapor Pressure: 17.1 hPa at 20 °C
    • Vapor Density: 4.0 (Air = 1)
  • 3. Chemical Properties and Stability
    • Stability: Stable under normal conditions.
    • Incompatibilities: Incompatible with strong oxidizing agents, strong acids, and strong bases.
    • Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2​).
    • Hydrolysis: Slowly hydrolyzes in water to butyric acid and ethanol.
  • 4. Other Key Data
    • Flash Point: 25 °C (77 °F) - Closed cup
    • Autoignition Temperature: 463 °C (865 °F)
    • Explosive Limits:
    • Lower Explosive Limit (LEL): 1.9 % (V)
    • Upper Explosive Limit (UEL): Not determined
    • Refractive Index (n20/D): ~1.392
 

Application

1. Food additives. Due to its strong pineapple and banana aroma, it is often used to prepare fruit flavors and is used in beverages (such as juice, carbonated drinks), candies, ice cream, baked goods (such as cakes, biscuits) and dairy products (such as yogurt).

2. Personal care products: used in cosmetic flavors (such as rose type), shampoo, shower gel, and skin care products to provide a fresh fruity aroma and cover the smell of chemical ingredients.

3. Household products: added to detergents, softeners, air fresheners and aromatherapy products to enhance the use experience.

4. Perfume industry: as a middle or top note ingredient, it is mixed with other spices to create a complex aroma.

5. Cleaners: used for cleaning precision instruments or electronic components, dissolving grease and leaving little residue.

6. Drug intermediates: participate in the synthesis of antibiotics, vitamins and other drugs, such as the esterification reaction of some cephalosporin antibiotics.

7. Tobacco flavor: used for the preparation of tobacco flavors.

8. Solubility: It can dissolve nitrocellulose, natural oils, vegetable oils, etc., but it is not suitable for synthetic resins such as acetyl cellulose or polyethylene.

Safety Information

  • This information is a summary based on the Globally Harmonized System of Classification and Labelling of Chemicals (GHS).
    • 1. GHS Classification
      • Flammable Liquids (Category 3)
      • Eye Irritation (Category 2A)
    • 2. GHS Label Elements
      • Pictograms:
        • Flame (GHS02)
        • Exclamation Mark (GHS07)
      • Signal Word: Warning
      • Hazard Statements (H-Statements):
        • H226: Flammable liquid and vapor.
        • H319: Causes serious eye irritation.
      • Precautionary Statements (P-Statements):
      • Prevention:
        • P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
        • P233: Keep container tightly closed.
        • P280: Wear protective gloves, eye protection, and face protection.
      • Response:
        • P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
        • P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
        • P337 + P313: If eye irritation persists: Get medical advice/attention.
        • P370 + P378: In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
      • Storage:
        • P403 + P235: Store in a well-ventilated place. Keep cool.
      • Disposal:
        • P501: Dispose of contents/container to an approved hazardous waste disposal plant.
    • 3. Summary of Primary Hazards
      • Fire Hazards: Flammable liquid and vapor. Vapors are heavier than air and can form explosive mixtures with air. Vapors may travel to a source of ignition and flash back.
      • Health Hazards: Causes serious eye irritation upon direct contact. High concentrations of vapor may be irritating to the respiratory system. Prolonged or repeated skin contact may cause defatting and dermatitis.
      • Environmental Hazards: While not classified as hazardous to the aquatic environment, large spills should be contained and prevented from entering waterways.

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