USD $8.20-8.80 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
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1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
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1. higest quality and good package
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3,4-dibromothiophene basic information |
product name: | 3,4-dibromothiophene |
synonyms: | thiophene,3,4-dibromo-;akos 93381;3,4-dibromothiophene;2,5-dibromotthiophenone;3,4-dibromothiophene, 98+%;3,4-dibromothiophene 98%;3,4-dibromo thiophene 98.0%min;3,4-dibromothiophene ,99% |
cas: | 3141-26-2 |
mf: | c4h2br2s |
mw: | 241.93 |
einecs: | 221-546-8 |
product categories: | thiophenes;blocks;thiazoles;halides;heterocycles;thiophene&benzothiophene;miscellaneous;halogenated;organohalides;thiophene;thiophens;halogenated heterocycles;heterocyclic building blocks;thiophenesbuilding blocks;heterocycle-oher series |
mol file: | 3141-26-2.mol |
3,4-dibromothiophene chemical properties |
mp | 4-5 °c(lit.) |
bp | 221-222 °c(lit.) |
density | 2.188 g/ml at 25 °c(lit.) |
refractive index |
n |
fp | >230 °f |
brn | 107642 |
cas database reference | 3141-26-2(cas database reference) |
nist chemistry reference | thiophene, 3,4-dibromo-(3141-26-2) |
safety information |
hazard codes | xi,xn |
risk statements | 36/37/38-20/21/22 |
safety statements | 26-36-36/37/39 |
wgk germany | 3 |
hazard note | irritant |
hazardclass | irritant |
hs code | 29349990 |
msds information |
provider | language |
---|---|
3,4-dibromothiophene | english |
sigmaaldrich | english |
acros | english |
alfa | english |
3,4-dibromothiophene usage and synthesis |
chemical properties | clear colorless to yellow liquid |
usage | 3,4-dibromothiphene is used in the synthesis of thiophene-estrogen receptor ligands which contain superagonist activities when involving luciferase in genes in human cells giving 2-3 times the activit y of estradiol. also used in the synthesis of supercapacitors for use as charge storage applications. |
3,4-dibromothiophene preparation products and raw materials |
preparation products | 2-acetyl-3-aminothiophene-->thiophene-3,4-dicarboxylic acid |