CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | White crystalline powder showing no change in colour after heating for 90 minutes at 105 °C |
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Color/Form | White powder |
Odor | Characteristic odor |
Melting Point | for sorbic acidMelting range of sorbic acid isolated by acidification and not recrystallised 133 °C to 135 °C after vacuum drying in a sulphuric acid desiccator |
Solubility | Solubility in water at 20 °C: 58.2%; in alcohol: 6.5% |
Density | 1.363 at 25 °C/20 °C |
Decomposition | When heated to decomposition it emits toxic fumes of K2O. |
Other Experimental Properties | Crystalline solid; odorless. Density: 1.36 at 23.5 °C; VP: 0.001 PA at 20 °C; Water solubility: 1.95-543 g/L at 20 °C and pH 4-7; solubility in methanol: 78.2-80.1 mg/L; Surface Tension: 72.6 mN/m at 1 g/L and 20 °C; Dissociation constant: 4.69 at 20 °C; Dissipation half-life (phototransformation in air): 5.16-5.232 hours |
Chemical Classes | Other Uses -> Preservatives |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
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 | 150.22 g/mol |
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Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 2 |
Rotatable Bond Count | 2 |
Exact Mass | 150.00831095 g/mol |
Monoisotopic Mass | 150.00831095 g/mol |
Topological Polar Surface Area | 40.1 Ų |
Heavy Atom Count | 9 |
Formal Charge | 0 |
Complexity | 127 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 2 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 2 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Potassium sorbate is a potassium salt having sorbate as the counterion. It has a role as an antimicrobial food preservative. It contains an (E,E)-sorbate.