CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Butyl lactate appears as a clear colorless liquid with a mild odor. Flash point 168 °F. Less dense than water and insoluble in water. Vapors heavier than air. Used as a solvent, and to make other chemicals. |
|---|---|
| Color/Form | Water-white, stable liquid |
| Odor | Mild, transient odor |
| Boiling Point | 370 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -45 °F (NIOSH, 2023) |
| Flash Point | 160 °F (USCG, 1999) |
| Solubility | Slight (NIOSH, 2023) |
| Density | 0.98 (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 5.04 (USCG, 1999) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.4 mmHg (NIOSH, 2023) |
| Autoignition Temperature | 382 °C (720 °F) |
| Decomposition | Hazardous decomposition products formed under fire conditions. - Carbon oxides. |
| Heat of Vaporization | 77.4 cal/g at 20 °C |
| Refractive Index | 1.418-1.424 |
| Relative Evaporation Rate | Evaporates slowly |
| Kovats Retention Index | 997 |
| Other Experimental Properties | Specific gravity: 0.974-0.984 at 20 °C/20 °C |
| Chemical Classes | Solvents -> Esters (<C12) |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. 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 | 146.18 g/mol |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 5 |
| Exact Mass | 146.094294304 g/mol |
| Monoisotopic Mass | 146.094294304 g/mol |
| Topological Polar Surface Area | 46.5 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 101 |
| 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
Butyl lactate appears as a clear colorless liquid with a mild odor. Flash point 168 °F. Less dense than water and insoluble in water. Vapors heavier than air. Used as a solvent, and to make other chemicals.

