Borate

Useful Range
pKa1 pH 8.50 - 10.20
Note

Forms covalent complexes with sugars, ribonucleotides, and glycerol

Wikipedia Entry
pKa vs. Temperature
25°C
pKa1 9.23
pKa2 12.74
pKa3 13.80
d(pKa1)/dT
-0.0080