Asam dekanoat

Asam dekanoat
Skeletal formula of decanoic acid
Ball-and-stick model of decanoic acid
Nama
Nama IUPAC
Asam dekanoat
Nama lain
Capric acid,[1] n-Capric acid, n-Decanoic acid, Decylic acid, n-Decylic acid, C10:0 (Lipid numbers)
Penanda
Model 3D (JSmol)
3DMet {{{3DMet}}}
ChEBI
ChEMBL
ChemSpider
DrugBank
Nomor EC
KEGG
Nomor RTECS {{{value}}}
UNII
  • InChI=1S/C10H20O2/c1-2-3-4-5-6-7-8-9-10(11)12/h2-9H2,1H3,(H,11,12) YaY
    Key: GHVNFZFCNZKVNT-UHFFFAOYSA-N YaY
  • InChI=1/C10H20O2/c1-2-3-4-5-6-7-8-9-10(11)12/h2-9H2,1H3,(H,11,12)
    Key: GHVNFZFCNZKVNT-UHFFFAOYAC
  • O=C(O)CCCCCCCCC
Sifat
C10H20O2
Massa molar 172,27 g·mol−1
Penampilan White crystals
Bau Strong rancid and unpleasant[2]
Densitas 0.893 g/cm3 (25 °C)[3]
0.8884 g/cm3 (35.05 °C)
0.8773 g/cm3 (50.17 °C)[4]
Titik lebur 316 °C (601 °F; 589 K)[6]
Titik didih 2.687 °C (4.869 °F; 2.960 K) [5]
0.015 g/100 mL (20 °C)[5]
Kelarutan Soluble in alcohol, ether, CHCl3, C6H6, CS2, acetone[2]
log P 4.09[5]
Tekanan uap 4.88·10−5 kPa (25 °C)[2]
0.1 kPa (108 °C)[5]
2.03 kPa (160 °C)[1][3]
Keasaman (pKa) 4.9[2]
Konduktivitas termal 0.372 W/m·K (solid)
0.141 W/m·K (liquid)[4]
Indeks bias (nD) 1.4288 (40 °C)[2]
Viskositas 4.327 cP (50 °C)[5]
2.88 cP (70 °C)[4]
Struktur
Monoclinic (−3.15 °C)[7]
P21/c[7]
a = 23.1 Å, b = 4.973 Å, c = 9.716 Å[7]
α = 90°, β = 91.28°, γ = 90°
Termokimia
Kapasitas kalor (C) 475.59 J/mol·K[1]
Entalpi pembentukan standarfHo) −713.7 kJ/mol[5]
Entalpi
pembakaran
standar
ΔcHo298
6079.3 kJ/mol[1]
Bahaya
Bahaya utama Medium toxicity
Lembar data keselamatan External MSDS
Piktogram GHS GHS07: Tanda Seru[3]
Keterangan bahaya GHS {{{value}}}
H315, H319, H335[3]
P261, P305+351+338[3]
Bahaya jika tertelan May be toxic
Bahaya jika terhirup May cause irritation
Bahaya untuk kulit May be toxic on contact
Titik nyala 110 °C (230 °F; 383 K) [3]
Dosis atau konsentrasi letal (LD, LC):
10 g/kg (rats, oral)[8]
Senyawa terkait
Related fatty acids
Asam nonanoat, Asam undekanoat
Senyawa terkait
Decanol
Decanal
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini YaYN ?)
Referensi

Asam dekanoat adalah asam lemak jenuh. Formulanya adalah CH3(CH2)8COOH. Garam dan ester asam dekanoat disebut dekanoat atau kaprat. Istilah asam kaprat berasal dari bahasa Latin "caper / capra" (kambing) karena aroma yang berkeringat dan tidak menyenangkan dari senyawa ini mengingatkan pada kambing.[9]

Asam dekanoat dapat dibuat dari oksidasi alkohol primer dekanol dengan menggunakan oksidan kromium trioksida (CrO3) dalam kondisi asam.[10]

Referensi

  1. ^ a b c d n-Decanoic acid 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 2014-06-15)
  2. ^ a b c d e CID 2969 dari PubChem
  3. ^ a b c d e f Sigma-Aldrich Co., Decanoic acid. Diakses tanggal 2014-06-15.
  4. ^ a b c Mezaki, Reiji; Mochizuki, Masafumi; Ogawa, Kohei (2000). Engineering Data on Mixing (edisi ke-1st). Elsevier Science B.V. hlm. 278. ISBN 978-0-444-82802-6. 
  5. ^ a b c d e f Lide, David R., ed. (2009). CRC Handbook of Chemistry and Physics (edisi ke-90). Boca Raton, Florida: CRC Press. ISBN 978-1-4200-9084-0. 
  6. ^ Beare-Rogers, J. L.; Dieffenbacher, A.; Holm, J. V. (1 January 2001). "Lexicon of lipid nutrition (IUPAC Technical Report)". Pure and Applied Chemistry. 73 (4): 685–744. doi:10.1351/pac200173040685. 
  7. ^ a b c D. Bond, Andrew (2004). "On the crystal structures and melting point alternation of the n -alkyl carboxylic acids". New Journal of Chemistry. 28 (1): 104–114. doi:10.1039/B307208H. 
  8. ^ a b Kesalahan pengutipan: Tag <ref> tidak sah; tidak ditemukan teks untuk ref bernama cheml
  9. ^ "capri-, capr- +". Diakses tanggal 2012-09-28. 
  10. ^ McMurry, John (2008). Organic Chemistry (edisi ke-7th). Thompson - Brooks/Cole. hlm. 624. 


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