Oxalic acid - Wikipedia
网页Oxalic acid is an organic acid with the systematic name ethanedioic acid and chemical formula HO−C (=O)−C (=O)−OH, also written as (COOH)2 or (CO2H)2 or H2C2O4. It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a …
Oxalic Acid | (COOH)2 | CID 971 - PubChem
网页Oxalic acid is an alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2. It has a role as a human metabolite, a plant metabolite and an algal metabolite. It is a conjugate acid of an oxalate (1-) and an oxalate. ChEBI.
Oxalic acid (COOH)2 - Formula, Properties, Structure & Uses with …
网页Oxalic acid (COOH)2 - Oxalic acid is the smallest di-carboxylic acid with the chemical formula C2H2O4. Molecular Weight of oxalic acid is 90.03 g/mol. Visit BYJU’S to understand the properties, structure, and uses of Oxalic …
草酸 - 维基百科，自由的百科全书
网页草酸 （英語： Oxalic acid），也称 酢浆草酸， IUPAC 系統名 為 乙二酸， 化學式 為HO. 2 C–CO. 2 H。 它是最简单的 二羧酸。 它是一种白色结晶固体，溶于水中形成无色溶液。 它的名字来源于早期研究人员从酢浆草属的 开花植物 中分离，通常为 酢浆草。 它天然存在于许多食物中，但过量摄入草酸或长时间皮肤接触可能是危险的。 草酸的酸性比 乙酸 强得多，同时它是一种 还原剂 [4]。 其 共軛鹼 稱為 草酸盐 （C. 2 O 2−. 4)，是一种金属阳离子的 螯 …
Oxalic acid - NIST Chemistry WebBook
网页Oxalic acid. Formula: C 2 H 2 O 4. Molecular weight: 90.0349. IUPAC Standard InChI:InChI=1S/C2H2O4/c3-1 (4)2 (5)6/h (H,3,4) (H,5,6) Copy. IUPAC Standard InChIKey:MUBZPKHOEPUJKR-UHFFFAOYSA-N Copy. CAS Registry Number: 144-62-7.
Oxalic acid - NIST Chemistry WebBook
网页Oxalic acid. Formula: C 2 H 2 O 4. Molecular weight: 90.0349. IUPAC Standard InChI:InChI=1S/C2H2O4/c3-1 (4)2 (5)6/h (H,3,4) (H,5,6) Copy. IUPAC Standard InChIKey:MUBZPKHOEPUJKR-UHFFFAOYSA-N Copy. CAS Registry Number: 144-62-7.
Oxalic acid_化工百科 - ChemBK
网页Oxalic acid. 性质. 无色透明晶体，常含两分子结晶水。. 当加热到98～100℃时，草酸水合物即失去结晶水。. 无水草酸是具有潮解性的无色、无臭固体，有菱形和单斜晶形两种结晶形态。. 在室温下，菱形的草酸晶体在热力学上是稳定的，而单斜晶形的草酸晶体是 ...
Oxalic Acid | Formula, Properties & Application
网页Molecular weight: 90.03 g/mol. Boiling Point: 365.1 °C. Melting Point: 189.5 °C. Density: 1.65 g/cm³. It exhibits the characteristic properties of a typical carboxylic acid, such as formation of esters, salts, amides, anhydrides, and acid chlorides. When reacting with bases, it forms two series of salts: the oxalates and the bioxalates.
Oxalic acid | Formula, Uses, & Facts | Britannica
网页2024年8月29日 · Oxalic acid, a colorless, crystalline, toxic organic compound belonging to the family of carboxylic acids. It is widely used as an acid rinse in laundries, where it is effective in removing rust and ink stains because it converts most insoluble iron compounds into a soluble complex ion.
Oxalic acid | C2H2O4 - ChemSpider
网页Oxalic acid. Molecular formula: C 2 H 2 O 4. Average mass: 90.034. Monoisotopic mass: 89.995309. ChemSpider ID: 946.