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2-Amino-4-picoline

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Name

2-Amino-4-picoline

EINECS 211-780-9
CAS No. 695-34-1 Density 1.068 g/cm3
PSA 38.91000 LogP 1.55340
Solubility Soluble in water Melting Point 96-101 °C
Formula C6H8N2 Boiling Point 227.4 °C at 760 mmHg
Molecular Weight 108.143 Flash Point 114 °C
Transport Information UN 3086 6.1/PG 1 Appearance Light yellow to brown flakes
Safety 53-45-60-61-37/39-28A-26-36/37/39 Risk Codes 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53-36/37/38-33-23/24/25
Molecular Structure Molecular Structure of 695-34-1 (4-Methylpyridin-2-amine) Hazard Symbols ToxicT
Synonyms

4-Picoline, 2-amino-;4-Picolylamine;4-methyl-1H-pyridin-2-amine;RA 1226;2-Amino-4-methylpyridine;2-Pyridinamine,4-methyl-;Methyl-4 amino-2-pyridine;4-Methyl-2-aminopyridine;2-Pyridinamine, 4-methyl-;Pyridine, 2-amino-4-methyl-;4-Methyl-2-pyridinamine;4-Methyl-2-pyridylamine;alpha-Amino-gamma-picoline;4-methylpyridin-2-amine;4-Methyl-pyridin-2-ylamine;2-Amino-4-Methyl pyridine;

Article Data 25

2-Amino-4-picoline Synthetic route

76809-23-9

2,2-dimethyl-3-(4-methylpyrid-2-yl)-4-oxo-4H-1,3-benzoxazine

A

695-34-1

2-Amino-4-methylpyridine

B

69-72-7

salicylic acid

Conditions
ConditionsYield
With hydrogenchloride for 3h; Heating;A 94%
B n/a
4926-28-7

2-Bromo-4-picoline

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With ammonium hydroxide; L-2-O-methyl-chiro-inositol; copper(II) acetate monohydrate In 1-methyl-pyrrolidin-2-one at 110℃; for 20h;91%
18368-71-3

4-methyl-2-nitropyridine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With C36H56Cl3CrN2O; magnesium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In tetrahydrofuran at 60℃; for 24h; Inert atmosphere; chemoselective reaction;90%
56960-76-0

2-amino-3-chloro-4-methylpyridine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With copper; benzoic acid at 150℃; for 1h;87.2%
95337-78-3

2-(2,5-dimethyl-pyrrol-1-yl)-4-methyl-pyridine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With hydroxylamine hydrochloride In ethanol; water for 24h; Heating;82%
461-87-0

2-fluoro-4-methylpyridine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With acetamidine hydrochloride; sodium hydroxide In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique; chemoselective reaction;46%
108-89-4

picoline

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With sodium amide; xylene
With sodium amide; decalin at 140 - 150℃;
79917-38-7

4-methyl(2-nitroso)pyridine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With zinc In acetic acid
108-89-4

picoline

56-23-5

tetrachloromethane

sodium amide

695-34-1

2-Amino-4-methylpyridine

76809-23-9

2,2-dimethyl-3-(4-methylpyrid-2-yl)-4-oxo-4H-1,3-benzoxazine

695-34-1

2-Amino-4-methylpyridine

Conditions
ConditionsYield
With hydrogenchloride Hydrolysis;

2-Amino-4-picoline Consensus Reports

Reported in EPA TSCA Inventory.

2-Amino-4-picoline Specification

The IUPAC name of 2-Amino-4-methylpyridine is 4-methylpyridin-2-amine. With the CAS registry number 695-34-1, it is also named as alpha-Amino-gamma-picoline. The product's categories are Variousamine; Fine Chemical & Intermediates; Pyridines, Pyrimidines, Purines and Pteredines; Pyridines Derivates; Pyridines. It is light yellow to brown flakes which is highly toxic and flammable. When heated to decomposition it emits toxic fumes of NOx. So the storage environment should be well- ventilated, low-temperature and dry.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 1.08; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.71; (4)ACD/LogD (pH 7.4): 0.79; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 2; (7)ACD/KOC (pH 5.5): 1.49; (8)ACD/KOC (pH 7.4): 47.27; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Index of Refraction: 1.574; (13)Molar Refractivity: 33.4 cm3; (14)Molar Volume: 101.2 cm3; (15)Polarizability: 13.24×10-24 cm3; (16)Surface Tension: 46.9 dyne/cm; (17)Enthalpy of Vaporization: 46.39 kJ/mol; (18)Vapour Pressure: 0.0778 mmHg at 25°C; (19)Tautomer Count: 2; (20)Exact Mass: 108.068748; (21)MonoIsotopic Mass: 108.068748; (22)Topological Polar Surface Area: 38.9; (23)Heavy Atom Count: 8; (24)Complexity: 72.9.

Uses of 2-Amino-4-methylpyridine: It is used as pharmaceutical intermediate. And it also can react with 2-bromo-1-thiophen-2-yl-ethanone to get 7-methyl-2-[2]thienyl-imidazo[1,2-a]pyridine. This reaction needs solvent ethanol by heating. The reaction time is 4.0 hours. The yield is 75%.

When you are using this chemical, please be cautious about it as the following:
It is not only toxic by inhalation, in contact with skin and if swallowed, but also irritating to eyes, respiratory system and skin. And it is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. What's more, this chemical cam cause burns and may cause harm to the unborn child. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) This material and its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure. 
1. SMILES:n1ccc(cc1N)C
2. InChI:InChI=1/C6H8N2/c1-5-2-3-8-6(7)4-5/h2-4H,1H3,(H2,7,8)
3. InChIKey:ORLGLBZRQYOWNA-UHFFFAOYAS

The following are the toxicity data which has been tested.

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin 500mg/kg (500mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 841, 1986.
mouse LD50 intravenous 39mg/kg (39mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Annales Pharmaceutiques Francaises. Vol. 26, Pg. 345, 1968.
mouse LD50 subcutaneous 64mg/kg (64mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT
Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 53, Pg. 227S, 1957.
rat LD50 oral 200mg/kg (200mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 841, 1986.
rat LD50 subcutaneous 160mg/kg (160mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 227, Pg. 234, 1955.

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