Raksa(II) klorida

Raksa(II) klorida
Mercury(II) chloride
Nama
Nama IUPAC
Raksa(II) klorida
Raksa diklorida
Penanda
Model 3D (JSmol)
3DMet {{{3DMet}}}
ChemSpider
Nomor EC
KEGG
Nomor RTECS {{{value}}}
Nomor UN 1624
  • InChI=1S/2ClH.Hg/h2*1H;/q;;+2/p-2 N
  • Cl[Hg]Cl
Sifat
HgCl2
Massa molar 271.52 g/mol
Penampilan tidak berwarna atau padat putih
Bau tidak ada bau
Densitas 5.43 g/cm3
Titik lebur 276 °C (529 °F; 549 K)
Titik didih 304 °C (579 °F; 577 K)
3.6 g/100 mL (0 °C)
7.4 g/100 mL (20 °C)
48 g/100 mL (100 °C)
Kelarutan 4 g/100 mL (ether)
larut dalam alkohol, aseton, etil asetat
cukup dapat larut dalam benzena, CS2, piridina
Keasaman (pKa) 3.2 (larutan 0.2M)
−82.0·10−6 cm3/mol
Indeks bias (nD) 1.859
Struktur
orthogonal
linear
linear
zero
Termokimia
Entropi molar standar (So) 144 J·mol−1·K−1[1]
Entalpi pembentukan standarfHo) −230 kJ·mol−1[1]
Farmakologi
Kode ATC D08AK03
Bahaya
Lembar data keselamatan ICSC 0979
Sangat beracun T+ (T+)
Korosif C (C)
Beracun bagi lingkungan N (N)
Frasa-R R28, R34, Templat:R48/24/25, R50/53
Frasa-S (S1/2), S36/37/39, S45, S60, S61
Titik nyala Tidak dapat terbakar
Senyawa terkait
Anion lain
Raksa(II) fluorida
Raksa(II) bromida
Raksa(II) iod
Kation lainnya
Seng klorida
Kadmium klorida
Raksa(I) klorida
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini YaYN ?)
Referensi

Raksa(II) klorida atau sublimat[2] adalah senyawa kimia yang terdiri dari raksa dan klorida dengan rumus HgCl2. Senyawa padat berwarna putih ini merupakan pereaksi kimia yang digunakan di dalam laboratorium. Senyawa molekuler ini pernah digunakan untuk menangani penyakit sifilis, tetapi kini sudah tidak lagi dipakai karena raksa merupakan unsur yang beracun. Selain itu, sudah tersedia obat yang lebih baik untuk penyakit sifilis. Kegunaan utama raksa(II) klorida saat ini adalah sebagai katalis untuk mengubah asetilena menjadi vinil klorida, yang merupakan pendahulu polivinilklorida:

C2H2 + HCl → CH2=CHCl

Produksi

Raksa(II) klorida dapat dihasilkan dari reaksi berikut:[3]

HgNO3 + 2 HCl → HgCl2 + H2O + NO2,

Catatan kaki

  1. ^ a b Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. hlm. A22. ISBN 0-618-94690-X. 
  2. ^ "Entri: sublimat". KBBI V. Diakses tanggal 2024-03-20. 
  3. ^  Chisholm, Hugh, ed. (1911). "Corrosive Sublimate". Encyclopædia Britannica. 7 (edisi ke-11). Cambridge University Press. hlm. 197. 


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