CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Crotonic acid appears as a white crystalline solid. Shipped as either a solid or liquid. Soluble in water and less dense than water. Corrosive to metals and tissue. |
|---|---|
| Color/Form | MONOCLINIC NEEDLES OR PRISMS (FROM WATER OR PETROLEUM ETHER) |
| Boiling Point | 184.7 °C |
| Melting Point | 72 °C |
| Flash Point | 190 °F (NFPA, 2010) |
| Solubility | 94000 mg/L (at 25 °C) |
| Density | Density = 1.018 at 15 °C/4 °C |
| Vapor Density | 2.97 (air= 1) |
| Vapor Pressure | 24 Pa at 20 °C |
| LogP | Log Kow = 0.72 /isomer not specified/ |
| Autoignition Temperature | 745 °F (396 °C) |
| Decomposition | Thermal decomposition products include carbon dioxide and carbon monoxide. /Organic acids and related compounds/ |
| Heat of Combustion | 2.00 MJ/mol |
| Heat of Vaporization | 13,252.2 gcal/gmole |
| Refractive Index | Index of Refraction = 1.4249 at 77 °C/D /TRANS ISOMER/ |
| Dissociation Constants | 4.17 (at 18 °C) |
| Kovats Retention Index | 1740 1744 |
| Other Experimental Properties | EXISTS IN CIS & TRANS ISOMERIC FORMS, LATTER BEING STABLE ISOMER USED COMMERCIALLY; CIS FORM MELTS @ 15 °C & IS SOMETIMES CALLED ISOCROTONIC ACID |
| Chemical Classes | Other Classes -> Organic Acids |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 | 86.09 g/mol |
|---|---|
| XLogP3 | 0.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 86.036779430 g/mol |
| Monoisotopic Mass | 86.036779430 g/mol |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 73.6 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Crotonic acid appears as a white crystalline solid. Shipped as either a solid or liquid. Soluble in water and less dense than water. Corrosive to metals and tissue.