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97-64-3

97-64-3 structural image
Product Name: Ethyl lactate
Formula: C5H10O3
Synonyms: Ethyl 2-hydroxypropionate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Ethyl lactate appears as a clear colorless liquid with a mild odor. Flash point 115 °F. Denser than water and soluble in water. Vapors heavier than air.
Color/Form Colorless liquid
Odor Buttery odor
Taste Sweet, fruity, creamy and pineapple like taste
Boiling Point 309 °F at 760 mmHg (USCG, 1999)
Melting Point -26 °C
Flash Point 115 °F (USCG, 1999)
Solubility Miscible with water
Density 1.03 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 4.07 (Air = 1)
Vapor Pressure 3.75 [mmHg]
Optical Rotation Specific optical rotation: -10 deg at 14 °C/D
Autoignition Temperature 752 °F (USCG, 1999)
Decomposition When heated to decomposition it emits acrid smoke and irritating fumes.
Heat of Combustion -11,600 Btu/lb = -6,500 cal/g = -270X10+5 J/kg
Heat of Vaporization 49.4 kJ/mol at 25 °C; 46.4 kJ/mol at 154.5 °C
Surface Tension 29.20 dynes/cm = 0.0292 N/m at 20 °C
Odor Threshold Odor Threshold Low: 0.2 [mmHg] Odor Threshold High: 1.66 [mmHg] Odor threshold from CHEMINFO
Refractive Index Index of refraction: 1.4124 at 20 °C/D
Kovats Retention Index 787 787 787 797 798 799 801 803 806 797 821 798 801 803
Other Experimental Properties FAINT ODOR RESEMBLING THAT OF ETHYL BUTYRATE /TECHNICAL PRODUCT/
Chemical Classes Solvents -> Esters (<C12)

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Corrosion
Corrosives
GHS05

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
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.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 118.13 g/mol
XLogP3 0.2
Hydrogen Bond Donor Count 1
Hydrogen Bond Acceptor Count 3
Rotatable Bond Count 3
Exact Mass 118.062994177 g/mol
Monoisotopic Mass 118.062994177 g/mol
Topological Polar Surface Area 46.5 Ų
Heavy Atom Count 8
Formal Charge 0
Complexity 79.7
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 1
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Ethyl lactate appears as a clear colorless liquid with a mild odor. Flash point 115 °F. Denser than water and soluble in water. Vapors heavier than air.

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