Kalium asetat
| Nama | |
|---|---|
| Nama lain
Garam kalium, E261
| |
| Penanda | |
Model 3D (JSmol)
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| ChEMBL | |
| ChemSpider | |
| Nomor EC | |
PubChem CID
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| Nomor RTECS | {{{value}}} |
CompTox Dashboard (EPA)
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| 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 (S |
150,82 J/mol·K[3] |
| Entalpi pembentukan standar (ΔfH |
−722,6 kJ/mol[1] |
| Farmakologi | |
| Kode ATC | B05 |
| Bahaya | |
| Dosis atau konsentrasi letal (LD, LC): | |
LD50 (dosis median)
|
3250 mg/kg (oral, rat)[4] |
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa). | |
| Referensi | |
Kalium asetat (KCH3COO) adalah garam kalium dari asam asetat.
Referensi
- ^ a b c d e http://chemister.ru/Database/properties-en.php?dbid=1&id=504
- ^ Seidell, Atherton; Linke, William F. (1952). Solubilities of Inorganic and Organic Compounds. Van Nostrand.
- ^ 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)
- ^ http://chem.sis.nlm.nih.gov/chemidplus/rn/127-08-2
Pranala luar
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