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327-51-5 - 1,4-Dibromo-2,5-difluorobenzene, 98% - A14248 - Alfa Aesar

A14248 1,4-Dibromo-2,5-difluorobenzene, 98%

CAS 번호
327-51-5
동의어

사이즈 가격 ($) 수량 재고 여부
5g 35.00
25g 143.00
100g 514.00
장바구니에 추가 대량 견적에 추가 항목 보기

1,4-Dibromo-2,5-difluorobenzene, 98%

MDL
MFCD00000346
EINECS
206-317-2

화학적 특성

화학식
C6H2Br2F2
화학 식량
271.89
융점
60-64°
비등점
96°/20mm
용해도
Soluble in methanol. Insoluble in water.

용도

1,4-Dibromo-2,5-difluorobenzene has been used in the preparation of 1,2,4,5-tetrakis(phosphino)-3,6-difluorobenzenes and poly(2,5-difluoro-2?,5?-didodecyl-4,4?-biphenylylene.

참고

Stable under recommended storage conditions. Store in cool, dry place in tightly closed containers. With good ventilation. Store away from oxidizing agent.

참조 문헌

Kongprakaiwoot N, et al. New synthetic route to polyphosphine ligands bearing 1,2,4,5-tetrakis (phosphino) benzene framework: structural characterizations of 1, 4-(PPh2)2-2, 5-(PR2)2-C6F2(R= Ph, iPr, Et). J. Organomet. Chem. 2004, 689 (21), 3350-56.

Kowitz C; and Wegner Gl. Functionalized poly-and oligo-phenylenes: Variations on the Suzuki cross-coupling of functionalized aryl dibromides with the 1, 3-propanediol diester of 2, 5-dialkyl-1, 4-phenylenediboronic acid. Tetrahedron. 1997, 53 (45), 15553-74.

For discussion of reaction with n-BuLi, including formation of dibenzyne, see: Org. Synth., 75, 201 (1997); see also 1,2,4,5-Tetrabromobenzene, L13539.

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

주의 설명서: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

기타 참조

바일슈타인
2250095
통합 관세 코드
2903.99
TSCA(독성물질규제법)"
No

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