In organic chemistry, a dicarboxylic acid is an organic compound containing two carboxyl groups (−COOH). The general molecular formula for dicarboxylic acids can be written as HO2C−R−CO2H, where R can be aliphatic or aromatic. In general, dicarboxylic acids show similar chemical behavior and reactivity to monocarboxylic acids.

The meaning of DIACID is able to react with two molecules of a monobasic acid or one of a dibasic acid to form a salt or ester —used especially of bases.

2003年4月25日 · Enzymatic polyesterification of diacid monomers in many cases offers superior control and specificity compared to conventional condensation polymerization. Also, polymers can be afforded under milder conditions.

2021年7月31日 · Acids in which there are two carboxyl groups separated by a chain of more than five carbon atoms (n> 5) (n> 5) for the most part have unexceptional properties, and the carboxyl groups behave more or less independently of one another.

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琥珀酸钠具有贝类特殊滋味的白色结晶粉末，在食品工业中用于调味剂、酸味剂、缓冲剂，用于火腿、香肠、水产品、调味液等。 琥珀酸可以用做防腐剂，pH值调节剂，助溶剂；还可以用来合成解毒剂、利尿剂、镇静剂、止血药、合成抗生素以及维生素A、维生素B等。 作为离子螯和剂，琥珀酸用于在电镀行业防止金属的溶蚀和点蚀；丁二酸是一种良好的表面活性剂，是去垢剂、肥皂和破乳剂的组分；丁二酸可生产脱毛剂、牙膏、清洗剂、高效去皱美容酯。 丁二酸还用于润滑 …

2016年3月15日 · In this review paper, we compare the molecular distributions and concentrations of LMW diacids and related compounds in atmospheric particles to better understand the sources and reaction pathways of water-soluble organic aerosols from various environments including urban, continental remote, marine and polar regions.

diacid，英语单词，主要用作形容词、名词，作形容词时译为“（碱）二元的；二酸的，二盐的”，作名词时译为“二酸，二酸盐”。

Diacid is an effective four-in-one product used in metalworking fluids where it functions as a coemulsifier, corrosion inhibitor, lubricity additive, and wetting agent. When used with nonionic and anionic surfactants, Diacid is also an effective coupling agent.

Di acid: A molecule containing two acidic functional groups. The term usually refers to two carboxylic acids, but other acidic functional groups such as sulfonic acid or phosphoric acid …