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Kalsium oksalat

Kalsium oksalat
Kalsium oksalat
The ball-and-stick model of calcium oxalate
Nama
Nama IUPAC
Kalsium oksalat
Penanda
Model 3D (JSmol)
3DMet (({3DMet))}
ChEBI
ChEMBL
ChemSpider
Nomor EC
KEGG
Nomor RTECS (({value))}
UNII
  • InChI=1S/C2H2O4.Ca/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2 YaY
    Key: QXDMQSPYEZFLGF-UHFFFAOYSA-L YaY
  • InChI=1/C2H2O4.Ca/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
    Key: QXDMQSPYEZFLGF-NUQVWONBAM
  • C(=O)(C(=O)[O-])[O-].[Ca+2]
Sifat
CaC2H2O5 (monohydrate)
CaC2O4 (anhydrous)
Massa molar 128.097 g/mol
Penampilan white solid
Densitas 2.20 g/cm3, monohydrate[1]
Titik lebur 200 °C (392 °F; 473 K) decomposes (monohydrate)
0.67 mg/L (20 °C)
Hasil kali kelarutan, Ksp 2.7 × 10-9 for CaC2O4[2]
Bahaya
Bahaya utama Harmful, Irritant
Piktogram GHS GHS07: Tanda Seru
Keterangan bahaya GHS (({value))}
H302, H312
P280
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini YaYN ?)
Referensi

Kalsium oksalat adalah garam kalsium oksalat dengan rumus kimia CaC2O4·(H2O)x, di mana x bervariasi dari 0 hingga 3. Semua bentuk tidak berwarna atau putih. Monohidrat terjadi secara alami sebagai mineral whewellite, membentuk kristal berbentuk amplop, yang dikenal pada tumbuhan sebagai raphides.

Dihidrat yang lebih jarang (mineral: weddellite) dan trihydrate (mineral: caoxite) juga dikenal. Kalsium oksalat merupakan penyusun utama batu ginjal manusia. Kalsium oksalat juga ditemukan di beerstone, skala yang terbentuk pada wadah yang digunakan di tempat pembuatan bir.

Referensi

[sunting | sunting sumber]
  1. ^ Kesalahan pengutipan: Tag <ref> tidak sah; tidak ditemukan teks untuk ref bernama Acta
  2. ^ Euler. "Ksp Table: Solubility product constants near 25 °C". chm.uri.edu (dalam bahasa English). Diakses tanggal 10 June 2021. 


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Kalsium oksalat
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