半岛bd体育手机客户端 说明
一般描述
α,α-Dibromotoluene undergoes polymerization with excess Mg to give poly(phenylmethylene)s. It reacts with NaSO2Me at 110℃ to yield a mixture of the monosulfone and α,α-disulfone. It undergoes copolycondensation with α,α′-dibromo-p-xylylene in the presence of excess Mg via nucleophilic substitution ofin situgenerated Grignard reagents.
包装
100 g in glass bottle
基本信息
线性分子式 | C6H5CHBr2 |
分子量 | 249.93 |
Beilstein | 1906098 |
EC 号 | 210-543-7 |
MDL编号 | MFCD00000130 |
PubChem化学物质编号 | 24847575 |
NACRES | NA.22 |
半岛bd体育手机客户端 性质
质量水平 | 100 |
测定 | 97% |
形式 | liquid |
折射率 | n
|
bp | 156 ℃/23 mmHg (lit.) |
密度 | 1.51 g/mL at 25 ℃ (lit.) |
SMILES string | BrC(Br)c1ccccc1 |
InChI | 1S/C7H6Br2/c8-7(9)6-4-2-1-3-5-6/h1-5,7H |
InChI key | VCJZTATVUDMNLU-UHFFFAOYSA-N |
安全信息
象形图 | |
警示用语: | Danger |
危险声明 | H301 + H311 + H331 - H314 |
预防措施声明 | P261 - P270 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
危险分类 | Acute Tox. 3 Oral - Skin Corr. 1B |
储存分类代码 | 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials |
WGK | WGK 3 |
闪点(F) | 228.2 °F - closed cup |
闪点(C) | 109 ℃ - closed cup |
个人防护装备 | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter |
Sigma-Aldrich