109-52-4
Product Name:
Valeric acid
Formula:
C5H10O2
Synonyms:
n-Valeric acid;Pentanoic acid;Valeric acid;Valproic acid impurity A (PhEur)
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Pentanoic acid appears as a colorless liquid with a penetrating unpleasant odor. Density 0.94 g / cm3. Freezing point -93.2 °F (-34 °C). Boiling point 365.7 °F (185.4 °C). Flash point 192 °F (88.9 °C). Corrosive to metals and tissue. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | UNPLEASANT ODOR, SIMILAR TO BUTYRIC ACID |
| Taste | Unpleasant flavor, similar to butyric acid |
| Boiling Point | 365 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -30.1 °F (NTP, 1992) |
| Flash Point | 192 °F (NTP, 1992) |
| Solubility | 10 to 50 mg/mL at 72 °F (NTP, 1992) |
| Density | 0.939 (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.52 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 108 °F ; 40 mmHg at 226.0 °F; 760 mmHg at 363.9 °F (NTP, 1992) |
| LogP | 1.39 |
| Henry's Law Constant | Henry's Law constant = 4.72X10-7 atm-cu m/mol at 25 °C |
| Autoignition Temperature | 752 °F (USCG, 1999) |
| Decomposition | Thermal decomposition products include carbon dioxide and carbon monoxide. /Organic acids and related compounds/ |
| Viscosity | 2.30 cP at 20 °C |
| Heat of Combustion | -2,837.8 kJ/mole |
| Odor Threshold | Odor Threshold Low: 0.00062 [mmHg] Odor Threshold High: 0.0008 [mmHg] [Hawley] Odor threshold (low) and (100% recognition) from CHEMINFO |
| Refractive Index | Index of refraction: 1.4086 at 20 degC/D |
| Dissociation Constants | 4.84 (at 25 °C) |
| Kovats Retention Index | 938 894 925 924 883 900 901.9 931 904 880 888 888 |
| Other Experimental Properties | Undergoes reactions typical of normal monobasic organic acids. |
| Chemical Classes | Other Classes -> Organic Acids |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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 | 102.13 g/mol |
|---|---|
| XLogP3 | 1.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 3 |
| Exact Mass | 102.068079557 g/mol |
| Monoisotopic Mass | 102.068079557 g/mol |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 59.1 |
| 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
Pentanoic acid appears as a colorless liquid with a penetrating unpleasant odor. Density 0.94 g / cm3. Freezing point -93.2 °F (-34 °C). Boiling point 365.7 °F (185.4 °C). Flash point 192 °F (88.9 °C). Corrosive to metals and tissue.