ngā purongo

Ko te P-Toluidine te mea e whakamahia nuitia ana hei tae me te takawaenga rongoā. Ko ōna whakamahinga ko:

Ngā takawaenga tae: He takawaenga nui te p-Toluidine mō ngā momo tae, pērā i te tae whero turanga GL, te methylamine whero roto, te fuchsin taketake, te methyl peri-acid me te 4-aminotoluene-3-sulfonic acid wait. E whakamahia ana hoki i roto i te hanga tae triphenylmethane me ngā tae oxazine.
Ngā takawaenga rongoā: I roto i te mara rongoā, ko te p-toluidine he takawaenga o te rongoā pyrimethamine, ā, e whakamahia ana hoki i roto i te hanga i ngā patupatu pēnei i te pyrimethamine me ētahi atu hua.
‌Ētahi atu whakamahinga‌: Ka whakamahia hoki te p-Toluidine hei matū tātari, ā, ka taea hoki te whakamahi i roto i te hanga matū waro. I roto i te matū tātari, hei tāpiritanga ki te waiho hei whakarewa, ka whakamahia hoki hei wai whakakī mō te taupū whakaata o ngā kohuke.
Hei whakarāpopototanga, he whānuitia te whakamahinga o te p-toluidine i roto i ngā tae, ngā rongoā me ētahi atu mara hanga matū.

He mahi nui tā te p-Toluidine hei takawaenga rongoā. Anei tētahi whakamārama taipitopito:

Ngā takawaenga tae me ngā rongoā: Ko te p-Toluidine e whakamahia ana hei takawaenga tae me te takawaenga mō te pyrimethamine rongoā, ā, he mahi nui tāna i roto i te umanga tae me te hanga rongoā.

Te Hanganga o ngā momo rongoā: Ko ōna matū e ahu mai ana i tēnei matū, pērā i te N,N-dimethyl-p-toluidine me te N,N-dihydroxyethyl-p-toluidine, he kaha te mahi rongoā, ā, ka taea te whakamahi hei hanga i ngā paturopi, ngā rongoā ārai-matepukupuku, me ētahi atu momo rongoā.

‌Whānuitanga Whakamahinga‌: Ka whakamahia te p-Toluidine me ōna huanga hei takawaenga i roto i te hanga rongoā, ā, he whānuitia ngā huarahi tono, ehara i te mea ko ngā rongoā tuku iho anake, engari kei roto hoki ko te hanga rongoā matatau ake me te hanga rauemi polymer‌.

Hei whakarāpopototanga, he tūranga nui tō te p-toluidine, he takawaenga rongoā hoki, ā, he whānui tōna whakamahinga i roto i te ao rongoā.

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Ngā Āhuatanga Matū o te p-Toluidine
Te ira rewa 41-46 °C (mārama)
Te pūmahana koropupū 200 °C (mārama)
kiato 0.973 g/mL i te 25 °C (ipurangi)
te mātotoru o te kohu 3.9 (vs te hau)
te pēhanga kohu 0.26 mm Hg (25 °C)
taupū whakaata 1.5636
Fp 192 °F
pāmahana rokiroki. Penapenahia i raro i te +30°C.
wairewatanga Ka wairewa i roto i te etanoru, te piridina, te diethyl etera, te acetone, te waro tetrachloride, te methanol, te waro disulfide, ngā hinu me ngā waikawa waimeha.
paura hanga
pka 5.08 (i te 25℃)
Taumaha Motuhake 0.962
tae parauri ki te parauri
te rohe pahūtanga 6.6%
Wairewatanga Wai 1.1 g/100 mL
Tairongo ki te Hau me te Mārama
Merck 14,9536
BRN 471281
Ngā herenga pānga TLV-TWA kiri 2 ppm (~9 mg/m3) (ACGIH); Te whakapae he mate pukupuku tangata (ACGIH).
Pūmau whakapūmau 4.98000000000000004

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Wā tuku: Hepetema-26-2024