2,5-Thiophenedicarboxylic Acid
Ilana igbekale
Orukọ kemikali: 2,5-Thiophenedicarboxylic Acid
Awọn orukọ miiran: OB acid;ob acid;ob acid;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
Ilana molikula: C6H4O4S
molikula àdánù: 172.16
Nọmba System
CAS: 4282-31-9
EINECS: 224-284-2
HS CODE: 2934999090
Data Ti ara
Irisi: funfun si ina yellowish gara lulú
Mimọ: ≥98.0%
iwuwo: 1.655 g/cm3
Ojuami yo:>300°C(tan.)
Ojutu farabale: 444.6ºCat 760 mmHg
Aaye ìmọlẹ: 222.7ºC
Solubility: die-die tiotuka ninu omi
Ọna iṣelọpọ
Adipic acid ati thionyl kiloraidi ni a dapọ ni ipin iwuwo ti 1: (6-10) ati refluxed fun 20-60 h ni iwaju ayase pyridine.Awọn ohun elo ti a ti yọ kuro ati pe iyokù ti wa ni kikan ni 140-160 ℃ fun 3-7 H. Thiophene-2,5-dicarboxylic acid ni a gba nipasẹ itọju sodium hydroxide, ojoriro acid, filtration, decolorization and purification.
Ohun elo
Oluranlọwọ funfun Fuluorisenti EBF ti pese sile nipasẹ isunmọ ọja pẹlu o-aminophenol.Imọlẹ yii le ṣee lo fun ọra, polyester, polypropylene, chloro ati awọn okun triacetic acid.O jẹ ọja pẹlu awọn ohun-ini to dara julọ.O ti wa ni o kun lo ni igbaradi ti Fuluorisenti funfun oluranlowo, o kun lo ninu awọn funfun ti sintetiki okun, Eva, PVC, ṣiṣu ati roba, ati ki o le ṣee lo ninu awọn funfun ti ṣiṣu fiimu, funmorawon ohun elo, abẹrẹ igbáti ohun elo, ati be be lo.
Ibi ipamọ
Ile-itaja ti o ni pipade ni aaye ventilated ati ibi gbigbẹ ki o yago fun ina.
