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2-Nitro-3-pyridinamine

2-Nitro-3-pyridinamine structure

CAS No:
13269-19-7
Formula:
C5H5N3O2
Chemical Name:
2-Nitro-3-pyridinamine
Synonyms:
3-Pyridinamine,2-nitro-;Pyridine,3-amino-2-nitro-;2-Nitro-3-pyridinamine;3-Amino-2-nitropyridine;2-Nitro-3-aminopyridine;2-Nitropyridin-3-amine;(2-Nitropyridin-3-yl)amine
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

Light yellow Cryst

2-Nitro-3-pyridinamine Basic Attributes

Molecular Weight：

139.11

Exact Mass：

139.11

BRN：

124467

EC Number：

236-260-9

DSSTox ID：

DTXSID50157715

HScode：

29339900

Characteristics

PSA：

84.7

XLogP3：

0.9

Appearance：

light yellow cryst

Density：

1.437

Melting Point：

180-184 °C

Boiling Point：

382.3±22.0 °C(Predicted)

Flash Point：

185℃

Refractive Index：

1.646

Vapor Pressure：

4.77E-06mmHg at 25°C

Safety Information

Packing level：

Transport codes：

PG 2

hazard class code：

23/24/25-36/37/38-20/21/22-22

safety instructions：

28-36/37/39-45-36-26-24/25

Marks：

Precautionary statement(s)：

P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (83.33%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 6 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Nitro-3-pyridinamine Use and Manufacturing

(c) Hydrolysis: Hydrolysis was carried out by placing 415 g of ethanol in a 1.5 liter stirred apparatus and introducing 133 g (0.44 mol) of N, N'-di-(2-nitropyridyl)-urea. The suspension was heated at 70 C. and 300 g of 10% strength sodium hydroxide solution were added. The In order to achieve complete precipitation of the reaction product, the mixture was diluted with approx. 500 ml of water after the completion of the reaction and cooled to 0 to +5 C., the suspension was filtered with suction and the reaction product was washed until neutral. Yield: 109.6 g of 400 g of 10% strength oleum and 238 g of nitrating acid of the composition 32% of HNO3 and 68% of H2 SO4 were placed in a 1.5 liter stirred apparatus, and 100 g of N, N'di-(3-pyridyl)-urea (prepared as in Example 1a) were introduced in the course of 1.5 hours at a reaction temperature of 60 C. The working-up and saponification to give 2-nitro-3-amino-pyridine corresponds to that of Example 1. The yield and quality of the reaction product was also identical with Example 1.

Computed Properties

Molecular Weight:139.11
XLogP3:0.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:4
Exact Mass:139.038176411
Monoisotopic Mass:139.038176411
Topological Polar Surface Area:84.7
Heavy Atom Count:10
Complexity:133
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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