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| CAS No.: | 563-72-4 |
|---|---|
| Name: | Calcium oxalate |
| Molecular Structure: | |
|
|
|
| Formula: | CaC2O4 |
| Molecular Weight: | 128.10 |
| Synonyms: | Oxalicacid, calcium salt (1:1) (8CI);Calcium oxalate (1:1); |
| EINECS: | 209-260-1 |
| Density: | 2.2 g/mL at 25 °C(lit.) |
| Melting Point: | decomposes [CRC10] |
| Boiling Point: | 365.1 °C at 760 mmHg |
| Flash Point: | 188.8 °C |
| Solubility: | g/L solution H2O: 0.0069 (25°C), 0.0142 (95°C); solid phase, CaC2O4 ·H2O [KRU93]; soluble dilute HCl, HNO3 [HAW93] |
| Appearance: | colourless crystals |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 52.60000 |
| LogP: | -0.99860 |
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Chemistry
Structure of Calcium oxalate (CAS NO.563-72-4):
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Molecular Formula: CaC2O4
Molar mass: 128.10 g/mol
IUPAC Name: Calcium oxalate
EINECS: 209-260-1
Density: 2.2 g/mL at 25 °C(lit.)
Flash Point: 188.8 °C
Boiling Point: 365.1 °C at 760 mmHg
Vapour Pressure: 2.51E-06 mmHg at 25 °C
Appearance: Colourless crystals
Product categories of Calcium oxalate (CAS NO.563-72-4): Calcium Salts;Metal and Ceramic Science;Salts
H-Bond Donor: 0
H-Bond Acceptor: 4
Canonical SMILES: C(=O)(C(=O)[O-])[O-].[Ca+2]
InChI: InChI=1S/C2H2O4.Ca/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
InChIKey: QXDMQSPYEZFLGF-UHFFFAOYSA-L
Safety Profile
Safety Information of Calcium oxalate (CAS NO.563-72-4):
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38-21/22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R21/22:Harmful in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-24/25
S24/25:Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
Specification
Calcium oxalate , its cas register number is 563-72-4. It also can be called Ethanedioic acid, calcium salt ; Calcium oxalate (1:1) and Calcium ethanedioate . It is a chemical compound that forms needle-shaped crystals. Insoluble calcium oxalate crystals are found in plant stems, roots, and leaves. Large quantities of Calcium oxalate (CAS NO.563-72-4) are found in the poisonous plant dumb cane (Dieffenbachia). It is also found in rhubarb (especially in the leaves), various species of Oxalis, taro, Araceae, kiwifruit, and (in smaller amounts) spinach, and agaves. It also forms a major component of beerstone, a brownish precipitate that tends to accumulate within vats, barrels and other containers used in the brewing of beer. Its crystals in the urine are the most common constituent of human kidney stones, and calcium oxalate crystal formation is also one of the toxic effects of ethylene glycol poisoning. Even a small dose of Calcium oxalate is enough to cause intense sensations of burning in the mouth and throat, swelling, and choking.