2-Hydroxy-4-methyl-3-nitropyridine
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2-Hydroxy-4-methyl-3-nitropyridine
structure -
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CAS No:
21901-18-8
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Formula:
C6H6N2O3
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Chemical Name:
2-Hydroxy-4-methyl-3-nitropyridine
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Synonyms:
4-METHYL-3-NITRO-2-PYRIDINOL;4-METHYL-3-NITRO-2-PYRIDONE;4-METHYL-3-NITROPYRIDIN-2-OL;2(1H)-PYRIDINONE, 4-METHYL-3-NITRO-;2-HYDROXY-3-NITRO-4-METHYLPYRIDINE;2-HYDROXY-3-NITRO-4-PICOLINE;2-HYDROXY-4-METHYL-3-NITROPYRIDINE;Hydroxymethylnitropyridine
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CAS No:
2-Hydroxy-4-methyl-3-nitropyridine Basic Attributes
154.12
154.037842
402986
DTXSID30323077
2933399090
Characteristics
74.9
0.2
Pale yellow Crystalline Solid
1.4±0.1 g/cm3
229-232 °C(lit.)
352.5°C at 760 mmHg
149.4±26.5 °C
1.605
Safety Information
NONH for all modes of transport
3
36/37/38
26-36-37/39
Xi
Irritant
P261-P305 + P351 + P338
H315-H319-H335
|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|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Hydroxy-4-methyl-3-nitropyridine Use and Manufacturing
Synthesis of the compound 9 The compound 8 (11 g, 0.072mol) was added into 150 mL of water, a concentrated sulphuric acid (11mL) was slowly added with agitation and cooled to 0°C in an ice bath. Sodium nitrite (9 g, 0.130 mol) was dissolved in 20mL of water and the solution was added slowly beneath the liquid surface of the reaction solution via a long stem funnel. The reaction was run at room temperature for 2 h and was boiled up until end of the reaction marked by no further emission of a brown gas was observed. Then the reaction solution was cooled, filtered, and dried to obtain 10.8 g of the compound 9 with a yield of 97.6percent. The melting point is 222.3-222.6°C (water)(being in consistent with that disclosed in reference), 231.6-231.8°C(ethanol).
Computed Properties
Molecular Weight:154.12
XLogP3:0.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:154.03784206
Monoisotopic Mass:154.03784206
Topological Polar Surface Area:74.9
Heavy Atom Count:11
Complexity:272
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Hydroxy-4-methyl-3-nitropyridine
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