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HCID 599539Erstellt: 25. Oktober 2026

2-Amino-5-bromopyrazine

5-BROMOPYRAZIN-2-AMINE · BUTTPARK 29\02-91 · 5-BROMOPYRAZINAMINE · 2-Amino-5-bromopyraz · 5-Bromo-2-pyrazinamie · 2-aimo-5-bromopyrazine · 5-BROMO-2-PYRAZINAMINE · 2-Bromo-5-aminopyrazine

https://huagongshe.com/de/chemical/599539

Molekülstruktur von 2-Amino-5-bromopyrazine

Identifikatoren & physikalische Daten

CAS No.59489-71-3
SummenformelC4H4BrN3
Durchschnittliche Molmasse174 g/mol
Monoisotopische Masse172,95886 g/mol
SMILESNc1cnc(Br)cn1
InChIKeyKRRTXVSBTPCDOS-UHFFFAOYSA-N
PubChem CID599539
ChEMBLCHEMBL4555899
EC No.626-202-4
DTXSIDDTXSID00344794

Chemische & physikalische Eigenschaften

XLogP0,7
Polarare Oberfläche (TPSA)51,8
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen0
Schwere Atome8
Formalladung0
Komplexität77
Schmelzpunkt113-117 °C (lit.)
Siedepunkt274.2±35.0 °C(Predicted)
Dichte1.844±0.06 g/cm3(Predicted)
LagerbedingungenKeep in dark place,Sealed in dry,Room Temperature
LöslichkeitEthanol, Ethyl Acetate, Methanol
AggregatzustandBrown Needles
pKa (Säurekonstante)1.66±0.10(Predicted)
FarbeLight yellow to Brown
InChIInChI=1S/C4H4BrN3/c5-3-1-8-4(6)2-7-3/h1-2H,(H2,6,8)
InChIKeyKRRTXVSBTPCDOS-UHFFFAOYSA-N
SMILESC1(N)=NC=C(Br)N=C1
CAS Datenbank59489-71-3(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungDangerH302 (94.2%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (98.1%): Causes skin irritation [Warning Skin corrosion/irritation]H317 (78.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]H318 (78.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H319 (19.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (15.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P272, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 52 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 4 (94.2%)Skin Irrit. 2 (98.1%)Skin Sens. 1 (78.8%)Eye Dam. 1 (78.8%)Eye Irrit. 2 (19.2%)STOT SE 3 (15.4%)
Wassergefährdungsklasse (WGK)3
Zollcode29339900
R-Sätze (R)22-36/38-43-44-36/37/38-20/21/22
GefahrensymboleXn,Xi
hazard_noteIrritant
Sicherheitshinweise (S)26-37/39-45-36/37/39-22-36/
Lagerklasse11 - Combustible Solids
GefahrenklasseEye Irrit. 2Skin Irrit. 2

Anwendungen & Verwendung

Verwenden

Used without prior protection of the amino group in a palladium-catalyzed cross-coupling with pyridylboronic acids leading to pyrazinylpyridines.