| 词条 | Cerium oxalate |
| 释义 |
| verifiedrevid = 444433736 | ImageAlt = | ImageFile = Cerium oxalate.svg | ImageFile1 = Cerium oxalate.jpg | IUPACName = Cerium(III) oxalate | OtherNames = {{ubl|Cerium oxalate|Cerous oxalate}} |Section1={{Chembox Identifiers | CASNo = 139-42-4 | CASNo_Ref = {{cascite|correct|??}} | CASNo1 = 15750-47-7 | CASNo1_Ref = {{cascite|correct|CAS}} | CASNo1_Comment = (unspecified hydrate) | UNII_Ref = {{fdacite|correct|FDA}} | UNII = 96P72VE680 | PubChem = 165565 | ChemSpiderID = 145101 | SMILES = C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].[Ce+3].[Ce+3] | StdInChI = 1S/3C2H2O4.2Ce/c3*3-1(4)2(5)6;;/h3*(H,3,4)(H,5,6);;/q;;;2*+3/p-6 | StdInChIKey = ZMZNLKYXLARXFY-UHFFFAOYSA-H}} |Section2={{Chembox Properties | C=6 | Ce=2 | O=12 | Appearance = White crystals | Density = | MeltingPt = Decomposes | BoilingPt = | Solubility = Slightly soluble}} |Section7={{Chembox Hazards | ExternalSDS = [https://www.americanelements.com/printpdf/cerium-iii-oxalate-anhydrous-139-42-4/sds External SDS] | GHSPictograms = {{GHS05}}{{GHS06}}{{GHS08}}[1] | GHSSignalWord = Danger[1] | HPhrases = {{H-phrases|301|311|314|319|331|335|370}}[1] | PPhrases = {{P-phrases|260|264|270|271|280|301+310|302+352|304+340|305+351+338|308+313|332+313|403+233}}[1] | MainHazards = Corrosive, Irritant, Respiratory irritant, Toxic | FlashPt =188.8 °C | AutoignitionPt = | NFPA-H = 3 | NFPA-F = 0 | NFPA-R = 1 | NFPA-S = | RPhrases = {{R21/22}} | SPhrases = {{S24/25}} | LD50 = }} |Section6={{Chembox Pharmacology | ATCCode_prefix = A04 | ATCCode_suffix = AD02 | AdminRoutes = | Bioavail = | Metabolism = | HalfLife = | ProteinBound = | Excretion = | Legal_status = | Legal_US = | Legal_UK = | Legal_AU = | Legal_CA = | Pregnancy_category = | Pregnancy_AU = | Pregnancy_US = }} |Section8={{Chembox Related | OtherAnions = | OtherCations = | OtherFunction = | OtherFunction_label = | OtherCompounds = }} }} Cerium(III) oxalate (cerous oxalate) is the inorganic cerium salt of oxalic acid. It is a white crystalline solid with the chemical formula of Ce2(C2O4)3. It could be obtained by the reaction of oxalic acid with cerium(III) chloride. UsesCerium(III) oxalate is used as an antiemetic.[2][3] It has been identified as part of the invisible ink that was used by Stasi operatives during the Cold War.[4] ToxicityCerium(III) oxalate irritates skin and mucous membranes, and is a strong irritant to eyes. If it gets into the eyes, there is a danger of severe eye injury. Cerium salts increase the blood coagulation rate, and exposure to cerium salts can cause sensitivity to heat. Oxalates are corrosive to tissue and are powerful irritants. They have a caustic effect on the linings of the digestive tracts and can cause kidney damage. References{{More citations needed|date=April 2011}}1. ^1 2 3 {{cite web|title = Cerium(III) Oxalate, Anhydrous|url = https://www.americanelements.com/cerium-iii-oxalate-anhydrous-139-42-4|publisher = American Elements|accessdate = 2019-03-26}} {{Antiemetics and antinauseants}}{{Cerium compounds}}{{Oxalates}}2. ^{{cite web|url=https://www.genome.jp/dbget-bin/www_bget?dr:D07103|publisher=KEGG DRUG Database|accessdate=2019-03-26|title=KEGG DRUG: Cerium oxalate}} 3. ^{{cite book|url=https://books.google.com/?id=RlM8DwAAQBAJ&pg=PT634|title = Drugs: Synonyms and Properties: Synonyms and Properties|isbn = 9781351755092|last1 = Milne|first1 = G. W. A.|date = 2017-11-01}} 4. ^{{cite web|url=https://www.sciencedaily.com/releases/2006/11/061108103815.htm|title=Cold War Invisible Ink Secrets Unlocked|publisher=ScienceDaily|date=2006-11-08}} 3 : Cerium(III) compounds|Oxalates|Antiemetics |
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