4-Methyl-3-nitro-2-pyridinol

Modify Date: 2025-08-20 07:37:08

4-Methyl-3-nitro-2-pyridinol Structure
4-Methyl-3-nitro-2-pyridinol structure
Common Name 4-Methyl-3-nitro-2-pyridinol
CAS Number 21901-18-8 Molecular Weight 154.123
Density 1.4±0.1 g/cm3 Boiling Point 323.5±37.0 °C at 760 mmHg
Molecular Formula C6H6N2O3 Melting Point 229-232 °C(lit.)
MSDS Chinese USA Flash Point 149.4±26.5 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 4-Methyl-3-nitro-2-pyridinol




 Names

Name 4-methyl-3-nitro-1H-pyridin-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 323.5±37.0 °C at 760 mmHg
Melting Point 229-232 °C(lit.)
Molecular Formula C6H6N2O3
Molecular Weight 154.123
Flash Point 149.4±26.5 °C
Exact Mass 154.037842
PSA 78.94000
LogP 0.15
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.605

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933399090

 Synthetic Route

~98%

4-Methyl-3-nitro-2-pyridinol Structure

4-Methyl-3-nitr...

CAS#:21901-18-8

Literature: Beijing Yiling Bioengineering Co., Ltd. Patent: EP2366691 A1, 2011 ; Location in patent: Page/Page column 7 ;

~%

4-Methyl-3-nitro-2-pyridinol Structure

4-Methyl-3-nitr...

CAS#:21901-18-8

Literature: Journal of Fluorine Chemistry, , vol. 132, # 8 p. 541 - 547

~%

4-Methyl-3-nitro-2-pyridinol Structure

4-Methyl-3-nitr...

CAS#:21901-18-8

Literature: EP2366691 A1, ;

 Preparation


 Customs

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles1

More Articles
Balachandran V, et al.

J. Mol. Struct. 1013 , 75-85, (2012)

 Synonyms

2-Pyridinol, 4-methyl-3-nitro-
4-Methyl-3-nitro-2-pyridone
4-Methyl-3-nitro-2-pyridinol
2-Hydroxy-3-nitro-4-methyl-pyridin
2-Hydroxy-4-Methyl-3-nitropyridine
2-Hydroxy-4-methyl-3-nitro-pyridin
4-methyl-3-nitro-pyridin-2-ol
2(1H)-Pyridinone,4-methyl-3-nitro
MFCD00010689
4-Methyl-3-nitropyridin-2(1H)-one
2(1H)-Pyridinone, 4-methyl-3-nitro-
2-Hydroxy-3-nitro-4-methylpyridine
4-Methyl-3-nitro-2(1H)-pyridinone
4-methyl-3-nitropyridin-2-ol
2-Hydroxy-3-nitro-4-picoline
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