Pharmaceutical Materials

CAS Number: 1074-98-2

Molecular Formula: C6H6N2O3

Molecular Weight: 154.12 g/mol

Appearance: Yellow crystalline solid or powder

Melting Point: 135-139°C

Boiling Point: 383°C

Use: Important intermediate in fine chemicals and pharmaceuticals.

 

Property	Details
Chemical Name	4-Nitro-3-picoline N-oxide
CAS Number	1074-98-2
Synonyms	3-Methyl-4-nitropyridine N-oxide; 4-Nitro-3-methylpyridine N-oxide; 3-Methyl-4-nitropyridine 1-oxide; Pyridine, 3-methyl-4-nitro-, 1-oxide; 4-Nitro-β-picoline N-oxide; NSC 168202; NSC 74203
Formula	C6H6N2O3
Molecular Weight	154.12 g/mol
Appearance	Yellow crystalline needles or powder
Density	1.363 g/cm³
Melting Point	Not available
Boiling Point	383.02 °C
Flash Point	185.44 °C
Solubility	Solubility in water is low.
Stability	Stable under normal conditions.
Hazard Statements	May cause harm if swallowed or inhaled. May cause skin irritation and serious eye irritation.
Precautionary Statements	Keep away from heat, sparks, and open flames. Keep away from sources of ignition. Avoid contact with skin and eyes. Wear appropriate protective clothing, gloves, and eye/face protection.
Usage	Important fine chemical intermediate. Used in the pharmaceutical industry for the preparation of light pyridine cephalosporins (Compound 6f) and other compounds.

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