Cacodylic Acid 25 grams (CAS 6131-99-3) - Cacodylic Acid -       
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Cacodylic Acid 25 grams


Cacodylic Acid trihydrate (>98.5% pure) is a good near physiologic buffer. Its pKa is 6.3 and it is either negatively charged or neutral, making it a good substitute for phosphate in applications where you want to avoid phosphates. Cacodylic Acid is useful for some DNA applications and is also popular in microscopy.

CAS Number: 6131-99-3
Molecular Formula: C2H6AsO2Na•3H2O
Molecular Weight: 214.03
Alternative Names: Cacodylic Acid Sodium Salt trihydrate; Dimethylarsinic acid; Dimethylarsonic acid; Hydroxydimethylarsine oxide; Sodium Cacodylate trihydrate

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