Name | (-)-cotinine |
Synonyms | COTININE L-COTININE (-)-cotinine (-)-COTININE S-(-)-COTININE Nicotine EP Impurity C ( Cotinine) S(-)-1-METHYL-5-(3-PYRIDYL)-2-PYRROLIDONE [S]-1-METHYL-5-[3-PYRIDYL]-2-PYRROLIDINONE (5R)-1-methyl-5-(pyridin-3-yl)pyrrolidin-2-one (S)-(-)-1-Methyl-5-(3-pyridyl)-2-pyrrolidinone (5S)-1-methyl-5-(pyridin-3-yl)pyrrolidin-2-one (S)-(-)-1-METHYL-5-(3-PYRIDIYL)-2-PYRROLIDINONE |
CAS | 486-56-6 |
EINECS | 207-634-9 |
InChI | InChI=1/C10H12N2O/c1-12-9(4-5-10(12)13)8-3-2-6-11-7-8/h2-3,6-7,9H,4-5H2,1H3/t9-/m0/s1 |
Molecular Formula | C10H12N2O |
Molar Mass | 176.22 |
Density | 1.1102 (rough estimate) |
Melting Point | 40-42°C(lit.) |
Boling Point | 250°C150mm Hg(lit.) |
Specific Rotation(α) | [α]D20 -18~-22° (c=1, C2H5OH) |
Flash Point | >230°F |
Water Solubility | Not miscible or difficult to mix in water. Soluble in dimethyl sulfoxide (100 mM), ethanol (50 mg/ml, yielding a clear, faint yellow to yellow solution), methanol and chloroform. |
Solubility | Chloroform (Sparingly), DMSO (Slightly), Methanol (Sparingly) |
Vapor Presure | 0.000421mmHg at 25°C |
Appearance | Solid |
Color | Colourless to Very Dark Orange Oil to |
Merck | 14,2553 |
BRN | 83099 |
pKa | 4.72±0.12(Predicted) |
Storage Condition | Sealed in dry,2-8°C |
Stability | Stable. Incompatible with strong oxidizing agents. May be heat sensitive - store cold. |
Refractive Index | 1.7110 (estimate) |
MDL | MFCD00077696 |
Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
Safety Description | S7 - Keep container tightly closed. S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
UN IDs | UN 1230 3/PG 2 |
WGK Germany | 3 |
RTECS | GN1925500 |
FLUKA BRAND F CODES | 10 |
HS Code | 29333990 |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
biological activity | Cotinine is an alkaloid in tobacco and a major metabolite of nicotine. It is used as a biological indicator for measuring the composition of tobacco smoke. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |