1 3-bis (methoxycarbonyl)-2-methyl-2-thio-pseudour (CAS # 34840-23-8)
Hazard Cov Cim | Xn – Ua phem |
Risk Codes | 22 – Ua phem yog nqos |
Taw qhia
1,3-Dicarboxymethyl-2-methyl-2-thioisourea, tseem hu ua DDMTU, yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
1,3-Dicarboxymethyl-2-methyl-2-thioisourea yog cov khoom dawb los yog daj daj crystalline. Nws muaj kev ruaj ntseg zoo ntawm chav tsev kub thiab tuaj yeem yaj hauv qee qhov polar solvents, xws li dej, cawv thiab ketones.
Siv:
1,3-Dicarboxymethyl-2-methyl-2-thioisourea yog dav siv hauv cov organic synthesis ua ib qho zoo thiomoded compound oxidant. Nws tuaj yeem ua rau oxidation ntawm sulfides xws li thioether, thionitrile thiab thiamine los tsim cov mercaptans, thioketones thiab imines.
Txoj kev:
Txoj kev npaj ntawm 1,3-dicarboxymethyl-2-methyl-2-thioisourea feem ntau suav nrog ob kauj ruam: cov tshuaj tiv thaiv ntawm thioglycolic acid nrog methylisourea kom tau txais 1,3-dicarboxymethyl-2-methyl-2-thioisourea; Lub hom phiaj cov khoom yog ces purified los ntawm crystallization los yog lwm yam purification txoj kev.
Cov ntaub ntawv kev nyab xeeb:
1,3-Dicarboxymethyl-2-methyl-2-thioisourea tsis muaj teeb meem rau tib neeg lub cev thiab ib puag ncig hauv kev ua haujlwm ib txwm muaj. Yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag ncaj qha nrog daim tawv nqaij thiab nqus tau nws cov plua plav thaum ua haujlwm. Nws yuav tsum tau ua nyob rau hauv qhov zoo-ventilated tej yam kev mob thiab tsis txhob nqus nws vapors. Tsis txhob hnov qab nrog cov tshuaj xws li oxidants, muaj zog acids, thiab cov hauv paus muaj zog. Thaum khaws cia thiab tuav, nws yuav tsum tau khaws cia rau hauv qhov chaw qhuav, qhov cua thiab cua txias, kom deb ntawm qhov hluav taws kub thiab cua sov. Thov xa mus rau cov ntawv txheeb xyuas kev nyab xeeb thiab cov lus qhia ua haujlwm thaum siv.