Description

Butyl Acetate (CAS No. 123-86-4), also known as n-Butyl Acetate or Butyl Ethanoate, is a high-purity ester with the molecular formula C₆H₁₂O₂. This colorless, volatile liquid is characterized by its sweet, fruity odor and excellent solvency properties. Widely utilized in industrial and laboratory settings, our Butyl Acetate is rigorously tested to meet stringent quality standards, ensuring low water content, minimal impurities, and consistent performance. It is an ideal solvent for resins, lacquers, coatings, and inks, offering a balanced evaporation rate and superior compatibility with a broad range of organic compounds. Packaged under inert conditions to maintain stability, this reagent-grade chemical is suitable for synthesis, extraction, and analytical applications.

Properties

• CAS Number: 123-86-4
• Complexity: 68.9
• IUPAC Name: butyl acetate
• InChI: InChI=1S/C6H12O2/c1-3-4-5-8-6(2)7/h3-5H2,1-2H3
• InChI Key: DKPFZGUDAPQIHT-UHFFFAOYSA-N
• LogP: log Kow = 1.78
• Exact Mass: 116.083729621
• Molecular Formula: C6H12O2
• Molecular Weight: 116.16
• SMILES: CCCCOC(=O)C
• Topological: 26.3
• Monoisotopic Mass: 116.083729621
• Physical Description: Butyl acetate appears as a clear colorless liquid with a fruity odor. Flash point 72 – 88 °F. Density 7.4 lb / gal . Hence floats on water. Vapors heavier than air.
• Color/Form: Colorless liquid
• Odor: Strong fruity odor
• Taste: Burning and then sweet taste reminiscent of pineapple
• Boiling Point: 259.7 °F at 760 mmHg
• Melting Point: -108.2 °F
• Flash Point: 72 °F
• Solubility: 1 to 5 mg/mL at 68 °F
• Density: 0.875 at 68 °F – Less dense than water; will float
• Vapor Density: 4 – Heavier than air; will sink
• Vapor Pressure: 10 mmHg at 68 °F
• Henry’s Law Constant: Henry’s Law constant = 2.81X10-4 atm-cu m/mol at 25 °C
• Stability/Shelf Life: Stable under recommended storage conditions.
• Autoignition Temperature: 760 °F
• Viscosity: 1.002 mPa.s at 0 °C; 0.685 mPa s at 25 °C; 0.500 mPa.s at 50 °C; 0.383 mPa.s at 75 °C; 0.305 mPa.s at 100 °C
• Heat of Combustion: -13.130 Btu/Lb = -7294 cal/g = -305.4X10+5 J/kg
• Heat of Vaporization: 36.28 kJ/mol at BP; 43.86 kJ/mol at 25 °C
• Surface Tension: 14.5 dynes/cm = 0.0145 newtons/m at 25 °C
• Ionization Potential: 10.00 eV
• Odor Threshold: Odor Threshold Low: 0.06 [ppm]
• Refractive Index: Index of Refraction: 1.3941 at 20 °C/D
• Synonyms: Butyl acetate, 123-86-4, N-BUTYL ACETATE, Acetic acid, butyl ester, Butyl ethanoate, Acetic Acid Butyl Ester, 1-acetoxybutane, Butile(acetati di), Butyl ester of acetic acid, n-Butyl acetate (natural), 1-Butanol, acetate, Butylazetat, CCRIS 2287, HSDB 152, EINECS 204-658-1, CH3COO(CH2)3CH3, Essigsaeurebutylester, ACETIC ACID,BUTYL ESTER, BRN 1741921, DTXSID3021982, CHEBI:31328, AI3-00406, Essigsaeure-n-butylester, UNII-464P5N1905, NSC-9298, Butyl ester, acetic acid, BUTYL ACETATE [FCC], BUTYL ACETATE [FHFI], N-BUTYL ACETATE [MI], BUTYL ACETATE [MART.], BUTYL ESTER ACETIC ACID, DTXCID101982, BUTYL ACETATE [USP-RS], N-BUTYL ACETATE [HSDB], FEMA NO. 2174, EC 204-658-1, 4-02-00-00143 (Beilstein Handbook Reference), BUTYL ACETATE (MART.), TRIBUTYL ACETYLCITRATE IMPURITY E [EP IMPURITY], BUTYL ACETATE (USP-RS), TRIBUTYL ACETYLCITRATE IMPURITY E (EP IMPURITY), nButyl acetate, Octan nbutylu, nButyl ethanoate, 1Butyl acetate, Butyl acetate (OSHA), Acetic acid nbutyl ester, nButyl acetate (natural), BUTYL ACETATE (N), FEMA NUMBER 2174, BUTYL ACETATE [INCI], n-Butyl acetate (ACGIH:OSHA), 204-658-1, butyl acetates, dkpfzgudapqiht-uhfffaoysa-n, inchi=1/c6h12o2/c1-3-4-5-8-6(2)7/h3-5h2,1-2h, un1123, 1-Butyl acetate, n-Butylacetate, n-Butyl ethanoate, Butylacetat, Acetic acid n-butyl ester, Acetate de butyle, Butylacetaten, Octan n-butylu, Butyle (acetate de), Butylester kyseliny octove, NSC 9298, MFCD00009445, n-Butyl acetate, HPLC Grade, 1-Butylacetate, 464P5N1905, Butyl acetate, n-, Butylacetat [German], Butylacetaten [Dutch], Octan n-butylu [Polish], Acetate de butyle [French], Butyle (acetate de) [French], Butile (acetati di), Butile (acetati di) [Italian], Butylester kyseliny octove [Czech], nBuOAc, AcOBu, BuOAc, n-BuOAc, Butyle(acetate de), normal-butyl acetate, Acetic acid, n-butyl ester, SCHEMBL14969, SCHEMBL50459, SCHEMBL50987, WLN: 4OV1, n-Butyl acetate, ACS reagent, SCHEMBL127775, Butyl acetate, AR, 99.5%, Butyl acetate, LR, >=98%, CHEMBL284391, SCHEMBL2298466, SCHEMBL2411874, SCHEMBL4623449, SCHEMBL6359304, n-Butyl acetate Biochemical grade, NSC9298, Butyl acetate, ampule of 100 mg, Butyl acetate, analytical standard, Butyl acetate, anhydrous, >=99%, Butyl acetate, for HPLC, 99.7%, n-Butyl acetate, analytical standard, Tox21_201052, n-Butyl acetate, Semiconductor Grade, STL282735, Butyl acetate, >=99%, FCC, FG, AKOS000120198, Butyl acetate, natural, >=98%, FG, Butyl acetate, ACS reagent, >=99.5%, Butyl acetate, ReagentPlus(R), 99.5%, NCGC00091573-01, NCGC00091573-02, NCGC00258605-01, CAS-123-86-4, A0024, A0228, Butyl acetate, SAJ first grade, >=98.0%, NS00009199, Butyl acetate, JIS special grade, >=99.0%, EN300-21265, n-Butylacetate 100 microg/mL in Acetonitrile, n-Butyl acetate [UN1123] [Flammable liquid], A805161, Q411073, F0001-0371, Butyl acetate, >=99.5%, suitable for atomic absorption spectrometry, Butyl acetate, United States Pharmacopeia (USP) Reference Standard, Butyl acetate, Pharmaceutical Secondary Standard; Certified Reference Material, 8JZ

Application

Butyl Acetate is extensively used as a solvent in the production of lacquers, paints, and coatings due to its favorable evaporation rate and resin compatibility. In pharmaceuticals and fragrances, it serves as a flavoring agent and extraction solvent. Additionally, it is employed in the manufacturing of plastics, textiles, and adhesives, where its solvency power enhances formulation efficiency.

Safety and Hazards

GHS Hazard Statements

• H226: Flammable liquid and vapor [Warning Flammable liquids]
• H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
• H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P271, P273, P280, P303+P361+P353, P304+P340, P319, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flammable liquids – Category 2
• Acute toxicity – Category 3
• Acute toxicity – Category 3
• Serious eye damage/eye irritation – Category 2B
• Specific target organ toxicity – Single exposure – Category 2
• Hazardous to the aquatic environment – Category 3

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