30899-19-5
Product Name:
ISOAMYL ALCOHOL
Formula:
C5H12O
Synonyms:
3-Methyl-1-butanol;Isoamyl alcohol;Isopentyl alcohol
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N-pentanol appears as a colorless liquid with a mild to moderately strong odor. Less dense than water. Flash point 91 °F. Boiling point 280 °F. Vapors heavier than air. Moderately toxic by ingestion. Vapors may irritate skin and eyes. Used as a solvent and to make other chemicals. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | CHARACTERISTIC FUSEL-LIKE ODOR |
| Taste | BURNING TASTE |
| Boiling Point | 280 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -110 °F (NTP, 1992) |
| Flash Point | 91 °F (NTP, 1992) |
| Solubility | 10 to 50 mg/mL at 63 °F (NTP, 1992) |
| Density | 0.818 at 59 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.04 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 56.5 °F ; 2.8 mmHg at 68 °F (NTP, 1992) |
| LogP | low Kow= 1.51 |
| Henry's Law Constant | Henry's Law constant = 1.3X10-5 atm-cu m/mol at 25 °C |
| Autoignition Temperature | 680 °F (USCG, 1999) |
| Viscosity | 5 mm²/s at 20 °C |
| Heat of Combustion | -16,200 Btu/lb= -9,000 Cal/g |
| Heat of Vaporization | 44.83 kJ/mol |
| Surface Tension | 25.5 dynes/cm at 20 °C |
| Odor Threshold | Odor Threshold Low: 0.12 [mmHg] Odor Threshold High: 20.03 [mmHg] [Merck Index] Odor threshold low = 0.4332 mg/m3 |
| Refractive Index | Index of refraction: 1.4103 at 20 °C/D |
| Kovats Retention Index | 744.1 735 735 753 754 754 759 749 748.3 752 751.9 751.9 760 753 767 767 767 746 756 770 763 762 757.9 762.3 766.5 771.9 775.5 791.4 793.1 757.18 752.2 752.7 753.5 754.6 761.5 763.4 766 752.2 752.7 753.5 754.6 761.5 763.4 766 758 763 730.2 734.7 748 754 768 747 750 760 749 754 789 773 774 752 755 759 764 742 746 747 751 752 754 744 747 749 749 744 751 750 744 744 745 747 767 751 742 740 751 744 747 756 750 752.8 748 747 757 787 757 744 750 759 739.8 723 752 753 729.5 747 752 760 752 758 758 740 753 763 756 744 744 744 740 742 742 743 744 744 744 746 761 756 764 754 746 747 767 746 756 766 756 754 772 762 801 753.4 |
| Other Experimental Properties | Ratio of specific heats of vapor (gas) = 1.06; Liquid water interfacial tension: 5 dynes/cm = 0.005 N/m at 20 °C |
| Chemical Classes | Solvents -> Alcohols (<C12) |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H332:Acute toxicity,inhalation 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. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. |
COMPUTED DESCRIPTORS
| Molecular Weight | 88.15 g/mol |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 3 |
| Exact Mass | 88.088815002 g/mol |
| Monoisotopic Mass | 88.088815002 g/mol |
| Topological Polar Surface Area | 20.2 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 19.9 |
| 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
N-pentanol appears as a colorless liquid with a mild to moderately strong odor. Less dense than water. Flash point 91 °F. Boiling point 280 °F. Vapors heavier than air. Moderately toxic by ingestion. Vapors may irritate skin and eyes. Used as a solvent and to make other chemicals.