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Name |
3-Picoline |
EINECS | 203-636-9 |
CAS No. | 108-99-6 | Density | 0.957 g/cm3 |
PSA | 12.89000 | LogP | 1.39000 |
Solubility | soluble in water | Melting Point |
-19 °C(lit.) |
Formula | C6H7N | Boiling Point | 143.516 °C at 760 mmHg |
Molecular Weight | 93.1283 | Flash Point | 36.111 °C |
Transport Information | UN 2313 | Appearance | Colorless liquid with a sweetish odor |
Safety | 16-26-36/37/39-45-36 | Risk Codes | 10-20/21/22-34-36/37/38-22 |
Molecular Structure | Hazard Symbols | Xn,C | |
Synonyms |
3-Methylpyridine;NSC 18251;m-Methylpyridine;m-Picoline;b-Methylpyridine;b-Picoline; |
Article Data | 219 |
The 3-Picoline, with the CAS registry number 108-99-6, is also known as Pyridine, 3-methyl-. It belongs to the product category of Pyridines Derivates. Its EINECS registry number is 203-636-9. This chemical's molecular formula is C6H7N and molecular weight is 93.12648. Its IUPAC name is called 3-methylpyridine. This chemical's classification code is Skin / Eye Irritant.
Physical properties of 3-Picoline: (1)ACD/LogP: 1.34; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.03; (4)ACD/LogD (pH 7.4): 1.334; (5)ACD/BCF (pH 5.5): 3.007; (6)ACD/BCF (pH 7.4): 6.063; (7)ACD/KOC (pH 5.5): 62.482; (8)ACD/KOC (pH 7.4): 125.965; (9)#H bond acceptors: 1; (10)Index of Refraction: 1.501; (11)Molar Refractivity: 29.169 cm3; (12)Molar Volume: 98.932 cm3; (13)Surface Tension: 34.098 dyne/cm; (14)Density: 0.941 g/cm3; (15)Flash Point: 36.111 °C; (16)Enthalpy of Vaporization: 37.35 kJ/mol; (17)Boiling Point: 143.516 °C at 760 mmHg; (18)Vapour Pressure: 6.678 mmHg at 25°C.
Preparation of 3-Picoline: this chemical can be prepared by 3-methyl-pyridine 1-oxide. This reaction will need reagents indium, TiCl4 and solvent tetrahydrofuran. The reaction time is 5 min with reaction temperature of 20 °C. The yield is about 93%.
Uses of 3-Picoline: it can be used to produce 3-methyl-piperidine. This reaction will need reagents alcohol and sodium.
3-Picoline is mainly used to produce vitamin B6, niacin and niacinamide, Nicholas Ming and such drugs; In addition, it can also be used as a solvent, tobacco and acid, tobacco and amides, Nick brake meters, alcohol degeneration agent, dye intermediates, resin intermediate, rubber vulcanization promoting agents, pesticides, water-proofing agent raw material, and film monomer additive.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health. It is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing. Finally, you must avoid contacting it with skin and eyes. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=CN=CC=C1
(2)InChI: InChI=1S/C6H7N/c1-6-3-2-4-7-5-6/h2-5H,1H3
(3)InChIKey: ITQTTZVARXURQS-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
bird - wild | LD50 | oral | 1gm/kg (1000mg/kg) | Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983. | |
guinea pig | LD50 | skin | 1gm/kg (1000mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 841, 1986. | |
mouse | LD50 | intraperitoneal | 596mg/kg (596mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 82, 1946. | |
mouse | LD50 | intravenous | 298mg/kg (298mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 82, 1946. | |
quail | LD50 | oral | 1gm/kg (1000mg/kg) | Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983. | |
rabbit | LDLo | skin | 200mg/kg (200mg/kg) | BEHAVIORAL: FOOD INTAKE (ANIMAL) GASTROINTESTINAL: OTHER CHANGES LUNGS, THORAX, OR RESPIRATION: PULMONARY EMBOLI | National Technical Information Service. Vol. OTS0534823, |
rat | LCLo | inhalation | 11820mg/m3/5H (11820mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA | National Technical Information Service. Vol. OTS0534823, |
rat | LD50 | intraperitoneal | 150mg/kg (150mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Fundamental and Applied Toxicology. Vol. 5, Pg. 920, 1985. |
rat | LD50 | oral | 400mg/kg (400mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 841, 1986. |