What visual checks are required before using the Brancaster Pharma Limited thiamine hydrochloride 125 mg/ml injection product, including after dilution?

Visually inspect the Brancaster Pharma Limited thiamine hydrochloride 125 mg/ml injection product before use, including after dilution, and use only clear solutions free from visible particles; after dilution, the solution should remain clear, colourless to slightly yellow and free of visible particles.