Table 1 Properties of the (poly)hydroxy carboxylic acids
Compound name (acid) | Acronym | CAS-no. | Sum formula | Molar mass [g mol−1] | No. of OH | No. of COOH | pKs1 | pKs2 |
|---|---|---|---|---|---|---|---|---|
Glycolic | GLY | 76-14-1 | C2H4O3 | 76.04 | 1 | 1 | 3.83 | n.a. |
d-Threonic | THR | 70753-61-6 | C4H8O5 | 136.10 | 3 | 1 | 3.86a | n.a. |
l-Tartaric | TAR | 87-69-4 | C4H6O6 | 150.09 | 2 | 2 | 2.98 | 4.34 |
d-Gluconic | GLU | 527-07-1 | C6H12O7 | 196.16 | 5 | 1 | 3.86 | n.a. |
d-Glucaric | GLA | 576-42-1 | C6H10O8 | 210.14 | 4 | 2 | 3.17 | 3.97 |
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Glycolic acid | d-Threonic acid | l-Tartaric acid | d-Gluconic acid | d-Glucaric acid | ||||
