109-06-8
Product Name:
2-Picoline
Formula:
C6H7N
Synonyms:
α-Picoline;2-Methylpyridine;2-Picoline;NSC 3409
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2-methylpyridine is a colorless liquid with a strong, unpleasant odor. Floats on water. Poisonous vapor is produced. (USCG, 1999) |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Strong unpleasant odor |
| Boiling Point | 262 to 264 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -94 °F (NTP, 1992) |
| Flash Point | 97 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Density | 0.944 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.21 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 8 mmHg at 68 °F ; 40 mmHg at 124.2 °F; 100 mmHg at 160.5 °F (NTP, 1992) |
| LogP | log Kow = 1.11 |
| Henry's Law Constant | Henry's Law constant = 9.96X10-6 atm-cu m/mol @ 25 °C |
| Stability/Shelf Life | 2-Methylpyridine is highly stable in aqueous solns ... . |
| Autoignition Temperature | 1000 °F (USCG, 1999) |
| Decomposition | When heated to decomp, emits toxic fumes of /nitrogen oxides. / |
| pH | /SRP/: Weak base |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 0.01 [mmHg] Odor Threshold High: 0.45 [mmHg] [ICSC] Odor threshold low = 0.05 mg/m3 |
| Refractive Index | Index of refraction: 1.4957 at 20 °C/D |
| Dissociation Constants | pKa = 5.96 at 20 °C |
| Kovats Retention Index | 792 790 787 802 803 805 787 814 804 799 800 800 804 814 799 799 800 801 802 820 792 792 799 800 825 797.1 799 792.9 797 799 799 770 772 795 798 799 |
| Other Experimental Properties | /SRP/: Forms salts with acids. |
| Chemical Classes | Nitrogen Compounds -> Pyridines |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H311:Acute toxicity,dermal H314:Skin corrosion/irritation 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 | 93.13 g/mol |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 93.057849228 g/mol |
| Monoisotopic Mass | 93.057849228 g/mol |
| Topological Polar Surface Area | 12.9 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 52.1 |
| 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
2-methylpyridine is a colorless liquid with a strong, unpleasant odor. Floats on water. Poisonous vapor is produced. (USCG, 1999)