Qaabka iyo sifooyinka aasaasiga ah ee p-toluidine

Qaab: p-toluidine waa kiristaalo aan midab lahayn, dhalaalaya oo jajaban, ama midab cad ilaa huruud khafiif ah, waxaana laga yaabaa inay u muuqato qaab bunni ilaa bunni ah.
Milmida: Si yar ayuu ugu milmaa biyaha, laakiin wuxuu ku milmaa dareereyaal kala duwan sida ethanol, ether, benzene, iyo hydrochloric acid.
Sifooyinka kale ee jireed: Barta dhalaalka: Badanaa inta u dhaxaysa 41-46°C 23. Barta karkaraya: 200°C (cadaadis caadi ah). Cufnaanta: Cufnaanta qaraabada ah waa qiyaastii 0.9619 ilaa 0.973 g/mL (25°C). Tusmada Refractive: Qiyaastii 1.5534 ilaa 1.5636 34. Barta iftiimaysa: Qiyaastii 86°C ama 192°F. p-Toluidine waxaa inta badan loo isticmaalaa midab dhexdhexaad ah iyo dhexdhexaad ka mid ah pyrimethamine-ka daawada warshadaha, laakiin waa in la ogaadaa inay sun tahay waana methemoglobin xooggan, sidaa darteed waa in si taxaddar leh loo isticmaalaa.
Marka la soo koobo, p-toluidine wuxuu leeyahay qaabab badan, sifooyinkiisa jireedna way kala duwan yihiin iyadoo ku xiran qaabka iyo xaaladaha.
Isticmaalka p-toluidine
Falanqayn falanqayn: p-toluidine waxaa loo isticmaalaa sidii reagent-ka kiimikada falanqaynta si uu gacan uga geysto sameynta falanqayn kiimiko oo gaar ah. Isku-darka rinjiga: Waa dhexdhexaad u ah midabyo badan, sida saldhigga cas ee GL, harada cas ee methylamine, fuchsin aasaasiga ah, waxaana si weyn loogu isticmaalaa isku-darka rinjiga ee dharka, daabacaadda iyo warshadaha kale. Dhexdhexaad u ah daawada: Goobta daawada, p-toluidine waa dhexdhexaad u ah daawada pyrimethamine, taas oo lagama maarmaan u ah isku-darka daawooyinka. Codsiyada kale: p-toluidine waxaa sidoo kale loo isticmaali karaa in lagu diyaariyo 1-hydroxy-4-(p-toluidine)-anthraquinone, kaas oo loo isticmaalo sidii reagent xasaasi ah oo loogu talagalay go'aaminta boron waxaana inta badan loo isticmaalaa midabaynta saxarka polyester-ka.
p-Toluidine, oo sidoo kale loo yaqaan 4-toluidine, waa isku-dhis dabiici ah oo leh qaacido kiimiko ah oo ah C7H9N. Waa kiristaal aan midab lahayn, dhalaalaya oo jajaban, oo si yar ugu milma biyaha, laakiin ku milma ethanol, ether, benzene, iyo hydrochloric acid. Waa in la ogaadaa in p-Toluidine uu yahay sun, oo ah methemoglobin xooggan, wuxuuna kicin karaa kaadi haysta iyo kaadi mareenka wuxuuna sababi karaa hematuria, sidaa darteed waa in si taxaddar leh loo isticmaalaa.

Sifooyinka Kiimikada p-Toluidine
Barta dhalaalaysa 41-46 °C (iftiin)
Karkarinta heerkul ah 200 ° C (iftiin)
cufnaanta 0.973 g/mL at 25 °C (iftiin)
cufnaanta uumiga 3.9 (marka loo eego hawada)
Cadaadiska uumiga 0.26 mm Hg ( 25 °C )
Tusmada Refractive 1.5636
Fp 192 °F
Heerkulka kaydinta. Ku kaydi meel ka hooseysa +30°C.
milmida Etanool, pyridine, diethyl ether, acetone, carbon tetrachloride, methanol, carbon disulfide, saliidaha iyo asiidhyada khafiifka ah.
budada qaabaysan
heerkulka 5.08 (25℃)
Cufis-jiidad Gaar ah 0.962
midab bunni ah ilaa bunni ah
xadka qarxa 6.6%
Biyaha milma 1.1 g/100 mL
Xasaasiyadda Hawada iyo Iftiinka
Merch 14,9536
BRN 471281
Xadka soo-gaadhista maqaarka TLV-TWA 2 ppm (～9 mg/m3) (ACGIH); Kansarka Aadanaha ee la tuhunsan yahay (ACGIH).
Joogtada Dielectric 4.980000000000000004
Xasilloonida: Xasilloon. Aan la jaan qaadi karin walxaha oksaydhka ee xooggan, asiidhyada xooggan.

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