2-Pentanol

2-pentanol[1]
IUPAC-név pentán-2-ol
Más nevek szek-amil-alkohol
Kémiai azonosítók
CAS-szám 6032-29-7
PubChem 22386
ChemSpider 21011
SMILES
OC(C)CCC
InChI
1/C5H12O/c1-3-4-5(2)6/h5-6H,3-4H2,1-2H3
InChIKey JYVLIDXNZAXMDK-UHFFFAOYSA-N
UNII 04G7050365
ChEMBL 45065
Kémiai és fizikai tulajdonságok
Kémiai képlet C5H12O
Moláris tömeg 88,148 g/mol
Megjelenés színtelen folyadék
Sűrűség 0,812 g/cm³
Olvadáspont −73 °C
Forráspont 119,3 °C
Oldhatóság (vízben) 45 g/l
Oldhatóság oldódik etanolban, dietil-éterben, szén-tetrakloridban, kloroformban
Viszkozitás 3,470 mPa·s
Gőznyomás 0,804 kPa
Termokémia
Std. képződési
entalpia ΔfHo298		 −365,2 kJ·mol−1 (folyadék)
−311,0 kJ·mol−1 (gáz)
Hőkapacitás, C 2,716 J·g−1·K−1 (folyadék)
Veszélyek
Lobbanáspont 34 °C
Öngyulladási hőmérséklet 343 °C
Robbanási határ 1,2–9%
Rokon vegyületek
Rokon vegyületek amil-alkohol
Az infoboxban SI-mértékegységek szerepelnek. Ahol lehetséges, az adatok standardállapotra (100 kPa) és 25 °C-os hőmérsékletre vonatkoznak. Az ezektől való eltérést egyértelműen jelezzük.

A 2-pentanol, más néven szek-amil-alkohol, hivatalos nevén pentán-2-ol öt szénatomot tartalmazó alkohol. Színtelen folyadék. Képlete C5H12O. Használják oldószerként és köztitermékként egyes vegyületek előállításánál. A 2-pentanol a kereskedelmileg kapható amil-alkoholok keverékek egyik gyakori összetevője.

Előállítható pentén és víz egyesítésével.[2]

Fordítás

Ez a szócikk részben vagy egészben a(z) 2-Pentanol című angol Wikipédia-szócikk ezen változatának fordításán alapul. Az eredeti cikk szerkesztőit annak laptörténete sorolja fel. Ez a jelzés csupán a megfogalmazás eredetét és a szerzői jogokat jelzi, nem szolgál a cikkben szereplő információk forrásmegjelöléseként.

Források

  1. ↑ Lide, David R., Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 3-454, 5-42, 6-188, 8-102, 15-23, ISBN 0-8493-0594-2
  2. ↑ McKetta, John J. & Cunningham, William Aaron, Encyclopedia of Chemical Processing and Design, vol. 3, Boca Raton, FL: CRC Press, pp. 280–281, ISBN 978-0-8247-2480-1, <https://books.google.com/books?id=iwSU5G5VzO0C&pg=PA279>. Hozzáférés ideje: 2010-01-17

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