 |
 |
|
 |
|
|
ÊÑÈËÈÄÈÍÛ |
| Áîëüøàÿ ñîâåòñêàÿ ýíöèêëîïåäèÿ (ÁÝÑ) |
àìèíîêñèëîëû, (CH3)2C6H3NH2. Èçâåñòíû âñå 6 èçîìåðîâ (ñì. òàáë.).
Âñå Ê. — áåñöâåòíûå âåùåñòâà ñ çàïàõîì àíèëèíà, áûñòðî òåìíåþùèå íà âîçäóõå; õîðîøî ðàñòâîðèìû â îðãàíè÷åñêèõ ðàñòâîðèòåëÿõ, â âîäå — îãðàíè÷åííî; îáðàçóþò âçðûâîîïàñíûå ïàðîâîçäóøíûå ñìåñè; ÿâëÿþòñÿ ÿäàìè êðîâè, âûçûâàþò ïîðàæåíèå ïå÷åíè. Ê. — îñíîâàíèÿ; ëåãêî îáðàçóþò ñîëè è äèàçîòèðóþòñÿ. Ïîëó÷àþò Ê. íèòðîâàíèåì êñèëîëîâ (Ñì. Êñèëîëû) ñ ïîñëåäóþùèì âîññòàíîâëåíèåì íèòðîñîåäèíåíèé; èçîìåðû ðàçäåëÿþò ôðàêöèîííîé êðèñòàëëèçàöèåé èõ ñîëåé. Ê. ñëóæàò àíòèîêñèäàíòàìè, âñïåíèâàþùèìè ñðåäñòâàìè ïðè ôëîòàöèè, èñïîëüçóþòñÿ â ïðîèçâîäñòâå àçîêðàñèòåëåé.
Íåêîòîðûå ñâîéñòâà êñèëèäèíîâ.
----------------------------------------------------------------------------------------------------------------------
| | Ïîëîæåíèå | | |
| | ãðóïï â | | |
| Êñèëèäèí | áåíçîëüíîì | têèï,°Ñ | Ïëîòíîñòü, ã/ñì3 |
| | ÿäðå | | (ïðè t) |
| |------------------------| | |
| | ÑÍç | NÍç | | |
|--------------------------------------------------------------------------------------------------------------------|
| Ðÿäîâîé î-Ê | 1,2 | 3 | 221 | 0,9910 (15°C) |
|--------------------------------------------------------------------------------------------------------------------|
| Íåñèììåòðè÷åñêèé î-Êà) | 1,2 | 4 | 226 | 1,0755 (17,5°C) |
|--------------------------------------------------------------------------------------------------------------------|
| Ðÿäîâîé ì-Ê | 1,3 | 2 | 214â) | 0,9796 (20°C) |
|--------------------------------------------------------------------------------------------------------------------|
| Íåñèììåòðè÷åñêèé ì-K | 1,3 | 4 | 216ã) | 0,9783 (19,6°C) |
|--------------------------------------------------------------------------------------------------------------------|
| Ñèììåòðè÷åñêèé ì-Ê | 1,3 | 5 | 220 | 0,9935 (0°C) |
|--------------------------------------------------------------------------------------------------------------------|
| n-Êá) | 1,4 | 2 | 213,4 | 0,9790 (21,3°C) |
----------------------------------------------------------------------------------------------------------------------
à) tïë 51°C; á) tïë15,5°Ñ; â) ïðè 739 ìì ðò. cm. (1 ìì pm. cm.= 133,322 í/ì2); ã) ïðè 728 ìì pm. cm.
|
| Îðôîãðàôè÷åñêèé ñëîâàðü Ëîïàòèíà |
| êñèëèä`èíû, êñèëèä`èíû, -îâ, åä. -ä`èí, -à |
|
|
|
 |
Åñëè âû æåëàåòå áëåñíóòü çíàíèÿìè â áåñåäå èëè ïðèâåñòè àðãóìåíò â ñïîðå, òî ìîæåòå èñïîëüçîâàòü ññûëêó:
áóäåò âûãëÿäåòü òàê: ÊÑÈËÈÄÈÍÛ
áóäåò âûãëÿäåòü òàê: ×òî òàêîå ÊÑÈËÈÄÈÍÛ
|
|
|
|
|
|
 |
|
 |
|
|
