3-Chlorothiophene-2-carboxylic acid (CAS # 59337-89-2)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36 - Hnav khaub ncaws tiv thaiv zoo. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
| WGK Germany | 3 |
| HS Code | 293499 0 |
| Kev Ceeb Toom | Irritant |
Taw qhia
3-chlorothiophene-2-carboxylic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
Cov tsos mob: 3-chlorothiophene-2-carboxylic acid yog dawb crystalline khoom.
Solubility: Nws muaj qee yam solubility thiab tuaj yeem soluble hauv qee cov kuab tshuaj organic xws li methylene chloride, methanol thiab dimethyl sulfoxide.
Cov khoom siv tshuaj lom neeg: Raws li cov khoom sib xyaw uas muaj thiophene rings thiab carboxylic acid pawg, 3-chlorothiophene-2-carboxylic acid tuaj yeem koom nrog ntau yam kev cuam tshuam ntawm cov organic synthesis.
Siv:
3-Chlorothiophene-2-carboxylic acid muaj ntau yam kev siv hauv kev lag luam tshuaj.
Transfection reagent: tuaj yeem siv los ua kev hloov pauv reagent rau kev qhia DNA lossis RNA rau hauv cov hlwb hauv kev sim molecular biology.
Electrochemical cov ntaub ntawv: 3-chlorothiophene-2-carboxylic acid thiab nws cov derivatives tuaj yeem siv los npaj cov khoom siv hluav taws xob, xws li polythiophene, thiab lwm yam.
Txoj kev:
Muaj ntau ntau txoj kev npaj rau 3-chlorothiophene-2-carboxylic acid, thiab ib qho ntawm cov kev siv feem ntau yog raws li hauv qab no:
3-chlorothiophene tau reacted nrog beryllium chloride (BeCl2) nyob rau hauv dichloromethane muab 3-chlorothiophene-2-oxalate. Tom qab ntawd nws yog hydrolyzed nrog alkaline hydrolytic tus neeg saib xyuas xws li sodium hydroxide muab 3-chlorothiophene-2-carboxylic acid.
Cov ntaub ntawv kev nyab xeeb:
3-Chlorothiophene-2-carboxylic acid feem ntau muaj kev pheej hmoo tsawg nyob rau hauv ib txwm siv. Raws li tshuaj lom neeg, cov kev ntsuas kev nyab xeeb hauv qab no yuav tsum tau sau tseg:
Tiv tauj tiv thaiv: Hnav cov hnab looj tes tiv thaiv, tsom iav kev nyab xeeb, thiab cov khaub ncaws tiv thaiv tsim nyog thaum raug 3-chlorothiophene-2-carboxylic acid.
Kev tiv thaiv kev nqus pa: Kev ua pa zoo yuav tsum tau ua kom zoo thaum lub sijhawm ua haujlwm los tiv thaiv kev nqus ntawm nws cov plua plav lossis vapors.
Cia thiab tuav: 3-chlorothiophene-2-carboxylic acid yuav tsum muab cia rau hauv lub thawv kaw kom tsis txhob muaj hluav taws kub thiab kub.
