zh 2,3-%E4%BA%8C%E7%BE%9F%E5%9F%BA%E8%8B%AF%E7%94%B2%E9%85%B8

2,3-二羟基苯甲酸
	IUPAC名; 2,3-Dihydroxybenzoic acid
别名	次没食子酸
识别
缩写	2,3-DHBA; 2,3-DHB
CAS号	303-38-8
PubChem	19
ChemSpider	18
SMILES	O=C(O)c1cccc(O)c1O;
InChI	1/C7H6O4/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,8-9H,(H,10,11);
InChIKey	GLDQAMYCGOIJDV-UHFFFAOYAE
ChEBI	18026
DrugBank	DB01672
KEGG	C00196
性质
化学式	C7H6O4
摩尔质量	154.12 g·mol−1
外观	无色固体
熔点	204—205 °C（477—478 K）
沸点	140 °C（413 K）（升华）
溶解性（水）	26 g/L at 22C
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

2,3-二羟基苯甲酸（英語：2,3-Dihydroxybenzoic acid，也称为次没食子酸，英語：Hypogallic acid）是一种酚酸类化合物，属于二羟基苯甲酸（DHBA），存在于羅比梅（学名：Flacourtia inermis）、西印度醋栗（学名：Phyllanthus acidus）等植物中^[2]。

参考文献

^ ^1.0 ^1.1 John R. Dyer, Henrik Heding, Carl P. Schaffner. Phenolic Metabolite of “Low-Iron Fermentation” of Streptomyces griseus. Characterization of 2,3-Dihydroxybenzoic Acid. The Journal of Organic Chemistry. 1964-09, 29 (9): 2802–2803 [2021-07-11]. ISSN 0022-3263. doi:10.1021/jo01032a529 （英语）.
^ Sousa M, Ousingsawat J, Seitz R, et al. An extract from the medicinal plant Phyllanthus acidus and its isolated compounds induce airway chloride secretion: A potential treatment for cystic fibrosis. Mol. Pharmacol. January 2007, 71 (1): 366–76. PMID 17065237. S2CID 5793585. doi:10.1124/mol.106.025262.

[Dyer-1] 1.0 ^1.1 John R. Dyer, Henrik Heding, Carl P. Schaffner. Phenolic Metabolite of “Low-Iron Fermentation” of Streptomyces griseus. Characterization of 2,3-Dihydroxybenzoic Acid. The Journal of Organic Chemistry. 1964-09, 29 (9): 2802–2803 [2021-07-11]. ISSN 0022-3263. doi:10.1021/jo01032a529 （英语）.

[2] Sousa M, Ousingsawat J, Seitz R, et al. An extract from the medicinal plant Phyllanthus acidus and its isolated compounds induce airway chloride secretion: A potential treatment for cystic fibrosis. Mol. Pharmacol. January 2007, 71 (1): 366–76. PMID 17065237. S2CID 5793585. doi:10.1124/mol.106.025262.

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