2,5-Thiophenedicarboxylic Acid
Foromo ea sebopeho
Lebitso la lik'hemik'hale: 2,5-Thiophenedicarboxylic Acid
Mabitso a mang: OB acid;asiti ea ob;asiti ea ob;5-thiophene dicarboxylic acid;2,5-thiophene diacid;2,5-dicarboxythiophene;2,5-thiophene dicarboxylic acid;thiophene-2,5-dicarboxylic acid;2,5-thiophene dicarboxylic acid;2,5-thiophene dicarboxylic acid;2,5-thiophene dicarboxylic acid
Foromo ea molek'hule: C6H4O4S
boima ba molek'hule: 172.16
Sistimi ea Linomoro
CAS: 4282-31-9
EINECS : 224-284-2
HS KHOUTU: 2934999090
Boitsebiso ba 'Mele
Ponahalo: phofo ea kristale e tšoeu ho isa ho e mosehla
Bohloeki: ≥98.0%
Boima: 1.655 g/cm3
Sebaka se qhibilihang: >300 °C(lit.)
Sebaka se belang: 444.6ºCat 760 mmHg
Sebaka se benyang: 222.7ºC
Solubility: Ho qhibiliha ha nyane metsing
Mokhoa oa Tlhahiso
Adipic acid le thionyl chloride li ne li tsoakoa ka karo-karolelano ea boima ba 1: (6-10) 'me ea refluxed bakeng sa 20-60 h boteng ba pyridine catalyst.Sehlahisoa se ile sa fetoha mouoane 'me se setseng se futhumetse ho 140-160 ℃ bakeng sa 3-7 H. Thiophene-2,5-dicarboxylic acid e ile ea fumanoa ka phekolo ea sodium hydroxide, precipitation ea acid, filtration, decolorization le tlhoekiso.
Kopo
The fluorescent whitening agent EBF e lokisitsoe ka condensation ea sehlahisoa ka o-aminophenol.Mokhanni ona o ka sebelisoa bakeng sa nylon, polyester, polypropylene, chloro le triacetic acid fibers.Ke sehlahisoa se nang le thepa e babatsehang.E sebelisoa haholo ho lokiseng ha fluorescent whitening agent, e sebelisoang haholo ho soeufatsa ha fiber ea maiketsetso, EVA, PVC, polasetiki le rabara, 'me e ka sebelisoa ho soeufatsa filimi ea polasetiki, lisebelisoa tsa ho bopa, lisebelisoa tsa ho bopa, joalo-joalo.
Polokelo
Tiisitsoe boloka ka ventilated le sebaka se omileng le boloka hole le leseli.
