丙酮二酸

丙酮二酸
	IUPAC名; oxopropanedioic acid
别名	Ketomalonic acid; Oxomalonic acid; α-Ketomalonic acid; 2-Oxopropanedioic acid
识别
CAS号	473-90-5
PubChem	10132
ChemSpider	9727
SMILES	O=C(O)C(=O)C(=O)O;
InChI	1/C3H2O5/c4-1(2(5)6)3(7)8/h(H,5,6)(H,7,8);
InChIKey	XEEVLJKYYUVTRC-UHFFFAOYAW
ChEBI	30842
DrugBank	DB03589
KEGG	C00830
性质
化学式	C3H2O5
摩尔质量	118.04 g·mol−1
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

丙酮二酸（英語：ketomalonic acid，或称为中草酸，英語：Mesoxalic acid）是结构式为C₃H₂O₅ 或 HO−(C=O)₃−OH 的有机化合物。丙酮二酸即是一种二羧酸也是一种酮酸，可以失去两个质子形成C
3O2−
5阴离子。中草酸可与水结合形成偕二醇型一水合物，即二羟基丙二酸^[2]:

参考文献[编辑]

^ Merck Index 12th. : 5971.
^ The chemical structure of caffuric acid was given in Allen, W. F. (1932). The preparation and pyrolytic molecular rearrangment [sic] of the 8-ethers of caffeine: And their conversion to 8-methyl and 8-ethylcaffeine. Ann Arbor, Mich.: Edwards Brothers.

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[1] Merck Index 12th. : 5971.

[allen-2] The chemical structure of caffuric acid was given in Allen, W. F. (1932). The preparation and pyrolytic molecular rearrangment [sic] of the 8-ethers of caffeine: And their conversion to 8-methyl and 8-ethylcaffeine. Ann Arbor, Mich.: Edwards Brothers.

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