Formula: C4H5BN2O2 0.5H2O Formula weight: 132.91 (123.91anhy) Purity: 97% CAS Number: 696602-91-2 Harmonized Tariff Code:  2933.59 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …