Kalium asetat

Potassium acetate
Rumus kerangka kalium asetat
Nama
Nama lain
Garam kalium, E261
Penanda
Model 3D (JSmol)
ChEMBL
ChemSpider
Nomor EC
Nomor RTECS {{{value}}}
  • InChI=1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1 N
    Key: SCVFZCLFOSHCOH-UHFFFAOYSA-M N
  • InChI=1/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
    Key: SCVFZCLFOSHCOH-REWHXWOFAA
  • CC(=O)[O-].[K+]
Sifat
C2H3KO2
Massa molar 98,14 g·mol−1
Penampilan Serbuk kristal putih
Densitas 1,8 g/cm3 (20 °C)[1]
1,57 g/cm3 (25 °C)
Titik lebur 292 °C
Titik didih Terdekomposisi
216,7 g/100 mL (0,1 °C)
233,8 g/100 mL (10 °C)
268,6 g/100 mL (25 °C)
320,8 g/100 mL (40 °C)
390,7 g/100 mL (96 °C)[2]
Kelarutan Larut dalam alkohol, cairan amonia
Tidak larut dalam eter, aseton
Kelarutan dalam metanol 24,24 g/100 g (15 °C)
53,54 g/100 g (73,4 °C)[1]
Kelarutan dalam etanol 16,3 g/100 g[1]
Kelarutan dalam belerang dioksida 0,06 g/kg (0 °C)[1]
Keasaman (pKa) 4,76
Struktur
Monoklinik
Termokimia
Kapasitas kalor (C) 109,38 J/mol·K[3]
Entropi molar standar (So) 150,82 J/mol·K[3]
Entalpi pembentukan standarfHo) −722,6 kJ/mol[1]
Farmakologi
Kode ATC B05XA17
Bahaya
Dosis atau konsentrasi letal (LD, LC):
3250 mg/kg (oral, rat)[4]
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini checkYN ?)
Referensi

Kalium asetat (KCH3COO) adalah garam kalium dari asam asetat.

Referensi

  1. ^ a b c d e http://chemister.ru/Database/properties-en.php?dbid=1&id=504
  2. ^ Seidell, Atherton; Linke, William F. (1952). Solubilities of Inorganic and Organic Compounds. Van Nostrand.
  3. ^ a b Acetic acid, potassium salt dalam Linstrom, P.J.; Mallard, W.G. (eds.) NIST Chemistry WebBook, NIST Standard Reference Database Number 69. National Institute of Standards and Technology, Gaithersburg MD. http://webbook.nist.gov (diakses tanggal 2014-05-18)
  4. ^ http://chem.sis.nlm.nih.gov/chemidplus/rn/127-08-2

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