2,5-Thiophenedicarboxylic Acid
Ke kumu hoʻolālā
Ka inoa kemika: 2,5-Thiophenedicarboxylic Acid
Nā inoa ʻē aʻe: 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
Huina mole: C6H4O4S
kaumaha molekala: 172.16
Pūnaehana helu
CAS: 4282-31-9
EINECS : 224-284-2
KULA HS: 2934999090
ʻIkepili kino
ʻAno: keʻokeʻo a ʻulaʻula melemele ka pauka aniani
Maʻemaʻe: ≥98.0%
Māmā: 1.655 g/cm3
Ka helu hehee: >300 °C(kukui.)
Puni paila: 444.6ºCat 760 mmHg
Ka helu ʻanapa: 222.7ºC
Solubility: hiki ke hoʻoheheʻe iki i ka wai
Hana Hana
Ua hui pū ʻia ka ʻakika Adipic a me ka thionyl chloride i ka ratio paona o 1: (6-10) a refluxed no 20-60 h i mua o ka pyridine catalyst.Ua evaporated ka'ūheheʻe a me ke koena ua wela ma 140-160 ℃ no 3-7 H. Thiophene-2,5-dicarboxylic waika i loaʻa ma ka sodium hydroxide lapaʻau, waika ua, filtration, decolorization a me ka hoʻomaʻemaʻe.
Palapala noi
Ua hoʻomākaukau ʻia ka mea hoʻomaʻemaʻe fluorescent EBF e ka condensation o ka huahana me ka o-aminophenol.Hiki ke hoʻohana ʻia kēia kukui no ka nylon, polyester, polypropylene, chloro a me triacetic acid fibers.He huahana me nā waiwai maikaʻi loa.Hoʻohana nui ʻia ia i ka hoʻomākaukau ʻana i ka mea keʻokeʻo fluorescent, hoʻohana nui ʻia i ka keʻokeʻo o ka fiber synthetic, EVA, PVC, plastic a me ka lāʻau, a hiki ke hoʻohana ʻia i ka hoʻomaʻemaʻe ʻana i ka kiʻiʻoniʻoni plastik, nā mea hoʻoheheʻe ʻia, nā mea hoʻoheheʻe injection, etc.
Waihona
Hoʻopaʻa ʻia kahi hale kūʻai ma kahi ea a maloʻo a mālama i ka mālamalama.
