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Home > Encyclopedia > Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide

Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide

Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide structure

Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide 

structure
  • CAS No:

    86604-79-7

  • Formula:

    C8H10N2O3

  • Chemical Name:

    Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide

  • Synonyms:

    Pyridine,2,3,5-trimethyl-4-nitro-,1-oxide;2,3,5-Trimethyl-4-nitropyridine 1-oxide;2,3,5-Trimethyl-4-nitropyridine N-oxide;4-Nitro-2,3,5-trimethylpyridine N-oxide;2,3,5-Trimethyl-4-nitro-1-oxidopyridin-1-ium

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide Basic Attributes

182.18

182.18

617-893-3

DTXSID70459026

2933399090

Characteristics

1.3±0.1 g/cm3

73-74 °C

397.8°C at 760 mmHg

194.4±26.5 °C

1.565

Safety Information

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide Use and Manufacturing

0.2 mol of 4-nitro-2, 3, 5-trimethylpyridine-N2 oxide was added to 0.3 mol of 30% sodium methoxide/methanol and 150 mL of methanol solution, and the mixture was heated under reflux for 5 h, and methanol was recovered by distillation under reduced pressure. Diluted with water, extracted with 100 mL × 2 of ethyl acetate, combined organic phase, dried over anhydrous magnesium sulfate, evaporated, Recrystallization from cyclohexane to obtain pale yellow crystals of 4-methoxy-2, 3, 5-trimethylpyridine-N2 oxide 30.1 g, yield 90%

Computed Properties

Molecular Weight:182.18
XLogP3:0.8
Hydrogen Bond Acceptor Count:3
Exact Mass:182.06914219
Monoisotopic Mass:182.06914219
Topological Polar Surface Area:71.3
Heavy Atom Count:13
Complexity:204
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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