Disodium citrate, also known as disodium hydrogen citrate, is an acid salt of citric acid. It is used as an antioxidant in food and as an acidity regulator and sequestrant.
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CAS 144-33-2
Natrii Sulfus
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disodium;3-carboxy-3-hydroxypentanedioate
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C(C(=O)[O-])C(CC(=O)[O-])(C(=O)O)O.[Na+].[Na+]