.beta.-Hydroxytricarballylic acid 1,2,3-Propanetricarboxylic acid, 2-hydroxy- 2-Hydroxy-1,2,3-propanetricarboxylic acid 77-92-9 Aciletten Anhydrous citric acid CITRIC ACID Citretten Citric acid, anhydrous Citro Kyselina citronova NSC30279 WLN: QV1XQVQ1VQ