2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE
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2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE
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CAS No:
69816-38-2
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Formula:
C5H4F3N3
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Chemical Name:
2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE
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Synonyms:
2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE;5-(TRIFLUOROMETHYL)PYRAZIN-2-AMINE;5-TrifluoroMethyl-pyrazin-2-ylaMine;5-(Trifluoromethyl)pyrazine-2-amine;5-(trifluoromethyl)-2-Pyrazinamine
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CAS No:
Safety Information
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, and P501|Aggregated GHS information provided by 91 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE Use and Manufacturing
2-Chloro-5-(trifluoromethyl)pyrazine (5.0 g, 27 mmol) (Oakwood Products, 075803) was stirred in ammonium hydroxide (190 mL, 2.7 mol) and heated to 80° C. for 3.5 h in a sealed pressure vessel. Step A: 5-(Trifluoromethyl)pyrazin-2-amine To an ice bath-cooled solution of 5, 6-diaminopyrimidin-4-ol (18 g, 143 mmol) in 3M sodium hydroxide (180 mL, 540 mmol), was added 3, 3-dibromo-1, 1, 1-trifluoropropan-2-one (25.2 g, 93 mmol). The reaction was stirred for 3 days at ambient temperature. The solids were filtered, dissolved in 60percent sulfuric acid (140 mL), and stirred at 135° C. for 8 h. The reaction was cooled, poured over ice and allowed to sit for 16 hours. The solution was neutralized to pH 8 with conc. ammonium hydroxide and extracted with ethyl acetate (5.x.100 mL), dried over sodium sulfate, filtered and concentrated. The solid residue was recrystallized from benzene/hexane to afford 5-(trifluoromethyl)pyrazin-2-amine (2.28 g, 14 mmol, 15percent yield). Step A: 5-(trifluoromethyl)pyrazin-2-amine
Computed Properties
Molecular Weight:163.10
XLogP3:0.4
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:6
Exact Mass:163.03573163
Monoisotopic Mass:163.03573163
Topological Polar Surface Area:51.8
Heavy Atom Count:11
Complexity:135
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-AMINO-5-(TRIFLUOROMETHYL)PYRAZINE
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