Zinc Bromide

半岛bd体育手机客户端 说明

应用

Zinc bromide can be used as:

• A catalyst to synthesize β-hydroxy ketones by stereoselective semipinacol rearrangement of α-hydroxy epoxides.
• A safe brominating source for the oxidative bromination of alkenes and alkynes in combination with lead tetraacetate.

It can also be used to prepare silica-supported zinc bromide (ZnBr ₂/SiO ₂) composite, which is used as a catalyst to synthesize:

• Ynone derivatives via cross-coupling reaction of acid chlorides with terminal alkynes.
• 4,5-disubstituted-1,2,3-(NH)-triazole derivatives by one-pot cross-coupling and 1,3-dipolar cycloaddition reaction of acid chlorides, terminal alkynes, and sodium azide.

分析说明

Assay (argentometric): ≥ 98.0 %
Water (K. F.): ≤ 2.0 %

基本信息

经验(实验)分子式	Br2Zn
分子量	225.20
MDL编号	MFCD00011294
EC索引号	231-718-4

半岛bd体育手机客户端 性质

质量水平	200
形式	crystals
pH值(酸碱度)	4 (20 ℃ in H2O, saturated solution)
bp	697 ℃/1013 mbar
mp	394 ℃
溶解性	4470 g/L
密度	4.2 g/cm3at 20 ℃
储存温度	2-30℃
InChI	1S/2BrH.Zn/h2*1H;/q;;+2/p-2
InChI key	VNDYJBBGRKZCSX-UHFFFAOYSA-L

安全信息

象形图
警示用语：	Danger
危险声明	H302 - H314 - H317 - H411
预防措施声明	P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
危险分类	Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
储存分类代码	8B - Non-combustible, corrosive hazardous materials
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable