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628-63-7

628-63-7 structural image
Product Name: Amyl acetate
Formula: C7H14O2
Synonyms: Amyl acetate;n-Amyl acetate;Pear oil, n-Pentyl acetate, Acetic acid pentyl ester;Pentyl acetate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description N-amyl acetate appears as a mixture of isomers. A clear colorless liquid with a banana-like odor. Flash point varies from 65 °F to 95 °F. Less dense (at 7.2 lb / gal) than water and slightly soluble in water. Hence floats on water. Vapors heavier than air.
Color/Form Colorless liquid
Odor Persistent banana-like odor
Boiling Point 295 °F at 760 mmHg (USCG, 1999)
Melting Point less than -148 °F (USCG, 1999)
Flash Point (n-) 91 °F (cc); (all isomers) 106F (cc); (iso-) 69 °F (cc) (USCG, 1999)
Solubility 0.2 % (NIOSH, 2023)
Density 0.876 at 68 °F (USCG, 1999) - Less dense than water; will float
Vapor Density 4.5 (Air = 1)
Vapor Pressure 5.17 mmHg (USCG, 1999)
LogP log Kow = 2.30
Henry's Law Constant Henry's Law constant = 3.88X10-4 atm-cu m/mol at 25 °C
Stability/Shelf Life Stability during transport: stable
Autoignition Temperature 680 °F (USCG, 1999)
Decomposition When heated to decomposition it emits acrid smoke and irritating fumes.
Viscosity 1.58 cP at 11 °C
Heat of Vaporization 38.42 kJ/mol at bp; 48.56 kJ/mol at 25 °C
Surface Tension 12 dynes/cm= 0.012 N/m at 30 °C
Odor Threshold Odor Threshold Low: 0.0075 [mmHg] Odor Threshold High: 7.3 [mmHg] Detection odor threshold from AIHA (mean = 0.052 ppm)
Refractive Index Index of refraction: 1.4023 at 20 °C
Kovats Retention Index 859 893 893 892 896 896.4 887.63 867 866 893 895 898 898 899 895 898 867 879 885 912 903 905 912 896.5 885 891 891 891 893 899 898 880 891 891 910 895 863.2 893 895 891 859 896 888.9 897 897 892 890 894 892 895 895 895 895 894.7 897 898 896 896 895 905 859.4
Other Experimental Properties 1 PPM IS EQUIVALENT TO 5.32 MG/CU M
Chemical Classes Solvents -> Esters (<C12)

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Flame
Flammables
GHS02
GHS Hazard Statements H226:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P241:Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242:Use only non-sparking tools.
P243:Take precautionary measures against static discharge.

COMPUTED DESCRIPTORS

Molecular Weight 130.18 g/mol
XLogP3 1.9
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 5
Exact Mass 130.099379685 g/mol
Monoisotopic Mass 130.099379685 g/mol
Topological Polar Surface Area 26.3 Ų
Heavy Atom Count 9
Formal Charge 0
Complexity 79
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

N-amyl acetate appears as a mixture of isomers. A clear colorless liquid with a banana-like odor. Flash point varies from 65 °F to 95 °F. Less dense (at 7.2 lb / gal) than water and slightly soluble in water. Hence floats on water. Vapors heavier than air.

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