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Aminopyrazine

Aminopyrazine structure

CAS No:
5049-61-6
Formula:
C4H5N3
Chemical Name:
Aminopyrazine
Synonyms:
2-Pyrazinamine;Pyrazinamine;Pyrazine,1,2-dihydro-2-imino-;Pyrazine,amino-;Aminopyrazine;ENT 60202;2-Aminopyrazine;1,2-Dihydro-2-iminopyrazine;Pyrazin-2-ylamine;NSC 13147;2-Amino-1,4-pyrazine;3-Aminopyrazine;20502-54-9
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

SLIGHTLY YELLOW TO BEIGE CRYSTALLINE POWDER

Aminopyrazine Basic Attributes

Molecular Weight：

95.1

Exact Mass：

95.10

BRN：

107025

EC Number：

225-748-7

NSC Number：

13147

DSSTox ID：

DTXSID80198510

HScode：

29339990

Characteristics

PSA：

51.8

XLogP3：

-0.1

Appearance：

Slightly yellow to beige Crystalline Powder

Density：

1.2±0.1 g/cm3

Melting Point：

117 °C

Boiling Point：

250.905°C at 760 mmHg

Flash Point：

129.1±9.0 °C

Refractive Index：

1.598

Water Solubility：

soluble

Storage Conditions：

Flammables area

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38-11

safety instructions：

26-36-37/39

Marks：

Xi,F

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|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 48 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

2-aminopyrazine

Aminopyrazine Use and Manufacturing

Methods of Manufacturing

A 500ml three-neck flask, was added at a concentration of 20percent sodium hydroxide (30g) solution, and sodium hypochlorite solution (100ml), was added 2-cyano-pyrazine (21g, 0.2mol) at room temperature, the reaction was stirred for 1h. Then for 4h at 50 ~ 60 , with dichloromethane (4 × 200ml) was extracted, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure to give a white solid 15.7g, yield 82.6percent.Step 3:

Uses

Four-component synthetic imidazolidine matrix.

Computed Properties

Molecular Weight:95.10
XLogP3:-0.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:95.048347172
Monoisotopic Mass:95.048347172
Topological Polar Surface Area:51.8
Heavy Atom Count:7
Complexity:54.9
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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