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中文名稱:2,3,5-三溴噻吩

中文同義詞:2,3,5-三溴噻吩,98%;2,3,5-三溴代噻吩;2,3,5-三溴噻吩;2,3,5-三溴噻吩(C4HBR3S);2,3,5-三溴噻吩250G;2,3,5-三溴噻吩SEE11761;S0507;英文名稱:2,3,5-Tribromothiophene

英文同義詞:2,3,5-Tribromothiophene,GC99%;2,3,5-TribromothiopheneSEE11761,98%;Thiophene,2,3,5-tribromo-;2,3,5-Tribromothiophene,99+%;2,3,5-Tribromothioph;2,3,5-tribromo-thiophen;2,3,5-TRIBROMOTHIOPHENE;2,3,5-Tribromothiophene,98%

CAS號(hào):3141-24-0

分子式:C4HBr3S

分子量:320.83

EINECS號(hào):221-544-7

2,3,5-三溴噻吩性質(zhì)

熔點(diǎn)25-28°C(lit.)

沸點(diǎn)120°C/11mmHg(lit.)

密度2.483g/mLat25°C(lit.)

折射率n20/D1.664(lit.)

閃點(diǎn)>230°F

儲(chǔ)存條件Keepindarkplace,Inertatmosphere,2-8°C

形態(tài)solid

比重2.483

BRN111486

危險(xiǎn)品標(biāo)志Xn,Xi

危險(xiǎn)類別碼20/21/22-36/37/38

安全說明36/37/39-26

危險(xiǎn)品運(yùn)輸編號(hào)UN29296.1/PG2

WGKGermany3

TSCAT

HazardClass6.1

HazardClassIRRITANT

海關(guān)編碼29349990

反應(yīng)器中加入80mL氯仿和168.2g噻吩,在30℃及攪拌下慢慢滴加960g液溴,反應(yīng)立即開始并伴有大量的溴化氫氣體逸出,約4h滴加完畢。反應(yīng)物加熱回流2h,冷至室溫,分別向反應(yīng)物中加入50mL2mol/L氫氧化鈉及205mL95%的乙醇,攪拌10min。將反應(yīng)混合物注入400mL水中,分出有機(jī)相,用無水硫酸鎂干燥,過濾,蒸出濾液中的溶劑。減壓蒸餾收集109~110℃(95.2Pa)餾分423.6g,收率66%。