91-22-5
Product Name:
Quinoline
Formula:
C9H7N
Synonyms:
1-Azanaphthalene;1-Benzazine;2,3-Benzopyridine;Quinoline
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Quinoline appears as a colorless liquid with a peculiar odor. Slightly denser than water. Contact may irritate to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals. |
|---|---|
| Color/Form | COLORLESS TO BROWN /SRP: TECHNICAL GRADE/ |
| Odor | Penetrating odor, not as offensive as pyridine |
| Boiling Point | 460 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 5 °F (NTP, 1992) |
| Flash Point | 138 °F (NFPA, 2010) |
| Solubility | 12.4 [ug/mL] (The mean of the results at pH 7.4) |
| Density | 1.095 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 4.45 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 139.5 °F ; 5 mmHg at 193.3 °F (NTP, 1992) |
| LogP | log Kow= 2.03 |
| Stability/Shelf Life | DARKENS ON STORAGE IN ORDINARY, STOPPERED BOTTLE |
| Autoignition Temperature | 896 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitrogen oxides/. |
| Viscosity | 2.997 millipascal second (=cP) at 30 °C |
| Corrosivity | May attack some forms of plastic |
| Heat of Combustion | -8710 cal/g |
| pH | Weak tertiary base |
| Surface Tension | 45.0 dynes/cm @ 20 °C |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 71.0 [mmHg] [ICSC] Odor threshold from HSDB |
| Refractive Index | Index of refraction: 1.62683 @ 20 °C/D |
| Dissociation Constants | pKa= 4.90 |
| Kovats Retention Index | 1203.7 1231 1246 1206 1207 1231 1246 1226 1226 1227 1231 1233 1228 1247.7 1247 1200 1225.5 1221.6 1221.6 1201 1206 1199 1199 1200 1203 1205 1247 1247 1249.9 209.51 |
| Other Experimental Properties | 1 MG/L= 189 PPM; 1 PPM= 5.28 MG/CU M |
| Chemical Classes | Nitrogen Compounds -> Quinolines |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H341:Germ cell mutagenicity H350:Carcinogenicity H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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 | 129.16 g/mol |
|---|---|
| XLogP3 | 2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 129.057849228 g/mol |
| Monoisotopic Mass | 129.057849228 g/mol |
| Topological Polar Surface Area | 12.9 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 111 |
| 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
Quinoline appears as a colorless liquid with a peculiar odor. Slightly denser than water. Contact may irritate to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals.
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