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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HCID 599539생성일: 2026년 10월 26일

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/ko/chemical/599539

2-Amino-5-bromopyrazine 분자 구조식

식별자 및 물리적 특성

CAS No.59489-71-3
분자식C4H4BrN3
평균 분자량174 g/mol
단동위원소 질량172.95886 g/mol
SMILESNc1cnc(Br)cn1
InChIKeyKRRTXVSBTPCDOS-UHFFFAOYSA-N
PubChem CID599539
ChEMBLCHEMBL4555899
EC No.626-202-4
DTXSIDDTXSID00344794

화학 및 물리적 성질

XLogP0.7
극성 표면적51.8
수소 결합 공여자 수1
수소 결합 수용자 수3
회전 가능 결합 수0
무거운 원자 수8
형식 전하0
복잡도77
녹는점113-117 °C (lit.)
끓는 점274.2±35.0 °C(Predicted)
밀도1.844±0.06 g/cm3(Predicted)
저장 조건Keep in dark place,Sealed in dry,Room Temperature
용해도에탄올, 에틸아세테이트, 메탄올 에 용해됨
물리적 상태갈색 바늘 모양의 소재
pKa(산도 계수)1.66±0.10(Predicted)
색상밝은 노란색에서 갈색까지
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

화학적 성질

Brown Needles

안전 및 규제

GHS 분류DangerH302 (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%)
수질 위해 등급(WGK)3
관세 코드29339900
위험 문구(R)22-36/38-43-44-36/37/38-20/21/22
위험 표시Xn,Xi
안전 문구(S)26-37/39-45-36/37/39-22-36/
위험 참고 사항Irritant
위험 등급Eye Irrit. 2Skin Irrit. 2
저장 분류11 - Combustible Solids

용도

용도

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