2,5-Thiophenedicarboxylic Acid
Tsarin tsari
Sunan sinadarai: 2,5-Thiophenedicarboxylic Acid
Sauran sunaye: OB acid;babban acid;babban 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
Tsarin kwayoyin halitta: C6H4O4S
Nauyin kwayoyin: 172.16
Tsarin Lambobi
Saukewa: 4282-31-9
Saukewa: 224-284-2
Lambar HS: 2934999090
Bayanan Jiki
Bayyanar: fari zuwa haske yellowish crystal foda
Tsafta: ≥98.0%
Girma: 1.655 g/cm3
Matsayin narkewa:> 300 ° C (lit.)
Matsayin tafasa: 444.6ºCat 760 mmHg
Matsayin walƙiya: 222.7ºC
Solubility: dan kadan mai narkewa cikin ruwa
Hanyar samarwa
Adipic acid da thionyl chloride an hade su a cikin nauyin nauyin 1: (6-10) kuma an sake sakewa don 20-60 h a gaban mai haɓaka pyridine.An fitar da sauran ƙarfi kuma an ƙone ragowar a 140-160 ℃ don 3-7 H. Thiophene-2,5-dicarboxylic acid an samo shi ta hanyar maganin sodium hydroxide, hazo acid, tacewa, decolorization da tsarkakewa.
Aikace-aikace
An shirya wakilin mai ba da fata mai kyalli EBF ta kwandon samfurin tare da o-aminophenol.Ana iya amfani da wannan mai haske don nailan, polyester, polypropylene, chloro da triacetic acid fibers.samfuri ne mai kyawawan kaddarorin.An yafi amfani a cikin shirye-shiryen da kyalkyali whitening wakili, yafi amfani a cikin whitening na roba fiber, Eva, PVC, roba da kuma roba, kuma za a iya amfani da a cikin whitening na filastik fim, matsawa gyare-gyaren kayan, allura gyare-gyaren kayan, da dai sauransu
Adana
Shagon da aka kulle a cikin busasshiyar wuri kuma a nisanta daga haske.
