Tris Base Cas: 77-86-1 99.5% White crystalline solid
Nambala ya Catalog | XD90056 |
Dzina lazogulitsa | Tris Base |
CAS | 77-86-1 |
Molecular Formula | C4H11NO3 |
Kulemera kwa Maselo | 121.14 |
Zambiri Zosungira | Wozungulira |
Harmonize Tariff Code | 29221900 |
Mafotokozedwe a Zamalonda
Melting Point | 168.0°C - 172.0°C |
Gulu | Mtengo wa USP |
Madzi | <0.2% |
Arsenic | 1 ppm pa |
Chizindikiritso | IR imagwirizana |
pH | 10.0 - 11.5 |
Kutaya pa Kuyanika | 0.5% kuchuluka |
Kusungunuka | Zomveka, zopanda mtundu |
Kuyesa | 99.5% mphindi |
Kashiamu | 3 ppm pa |
Chitsulo | 5 ppm pa |
Mkuwa | 1 ppm pa |
Zotsalira pa Ignition | 0.1% kuchuluka |
Insoluble Matter | <0.03% |
Zitsulo Zolemera (Pb) | 5 ppm pa |
Chloride | 3 ppm pa |
Maonekedwe | White crystalline olimba |
Mtundu (20% aq yankho) | <5 |
Identity Ph. Eur | Zimagwirizana |
Zogwiritsidwa ntchito pofufuza zokha, osati za anthu | ntchito zofufuza zokha, osati za anthu |
Mwachidule:Dzina la mtundu wa Tris ndi tris(hydroxymethyl)aminomethane;tromethamine;tromethamine;2-amino-2-(hydroxymethyl) -1,3-propanediol.Ndi kristalo woyera kapena ufa.Kusungunuka mu ethanol ndi madzi, kusungunuka pang'ono mu ethyl acetate ndi benzene, osasungunuka mu ether ndi carbon tetrachloride, zowonongeka mpaka mkuwa ndi aluminiyamu, ndi mankhwala opweteka.
Zizindikiro:Tromethamine ndi sodium-free amino buffer base, yomwe imakhudzidwa ndi H2CO3 m'madzi amthupi kuti achepetse H2CO3 ndikupanga HCO32- nthawi yomweyo.Imatha kuyamwa ayoni wa haidrojeni ndikuwongolera acidmia.Yamphamvu, ndipo imatha kulowa mu cell membrane, yomwe imagwiritsidwa ntchito kwambiri mu metabolic komanso kupuma acidemia.
Makhalidwe a buffering:Tris ndi maziko ofooka ndi pKa ya 8.1 pa 25 ° C;malinga ndi chiphunzitso cha buffer, kusungitsa kothandiza kwa Tris buffer kuli pakati pa pH 7.0 ndi 9.2.PH yamadzimadzi amadzimadzi a Tris base ndi pafupifupi 10.5.Nthawi zambiri, hydrochloric acid imawonjezedwa kuti isinthe mtengo wa pH ku mtengo womwe ukufunidwa, ndiyeno yankho la bafa lomwe lili ndi pH mtengo limatha kupezeka.Komabe, chidwi chiyenera kuperekedwa ku zotsatira za kutentha pa pKa ya Tris.
Ntchito:Tris chimagwiritsidwa ntchito pachimake kagayidwe kachakudya ndi kupuma acidemia.Ndi chitetezo chamchere ndipo imakhala ndi mphamvu yabwino yochepetsera metabolic acidosis ndi ntchito ya enzymatic.Tris nthawi zambiri imagwiritsidwa ntchito ngati biological buffer ndipo nthawi zambiri imapangidwa ndi pH ya 6.8, 7.4, 8.0, ndi 8.8.Mapangidwe ake ndi pH mtengo zimasiyana kwambiri ndi kutentha.Mwambiri Chemicalbook imati pakukula kulikonse kwa kutentha, pH imatsika ndi 0.03.Tris imagwiritsidwa ntchito kwambiri pokonzekera zosungira muzoyesa za biochemical ndi molecular biology.Mwachitsanzo, Tris imafunika m'mabafa onse a TAE ndi TBE (pothandizira ma nucleic acids) omwe amagwiritsidwa ntchito kwambiri poyesa biochemical.Popeza ili ndi gulu la amino, imatha kukumana ndi ma condensation ndi aldehydes.