Check the listing for details. Bromophenol Blue [0.1% Solution] Reagent Grade 1 Oz in a Dropper Bottle USA. Condition: New. Listed at 9.99 USD. BROMOPHENOL BLUE. Weight: 1 Ounce (30 mL) Strength: 0.1% Concentration Grade: Reagent Grade Texture: Red-Green Liquid CAS Number: 115-39-9 You are buying 1 Ounce of 0.1% Bromophenol Blue. The item ships in a 1 Fluid Ounce (by volume) Polypropylene bottle with precision dropper tip with a separate screw-on cap. The dropper is calibrated to deliver 650 drops per ounce. Bromophenol Blue (C19H10Br4O5S) pH INDICATOR pH < 3.0 pH > 4.6 Yellow Blue Bromophenol Blue (C19H10Br4O5S) has hundreds of uses. SHIPS FAST FROM CALIFORNIA, USA! 2-4 day transit time throughout the country. We ship three times a day; so your item is guaranteed to go out the very same day you place your order. Our bottles are made of sturdy polypropylene. To ensure a spill-free journey, we shrink-wrap the screw tops and seal the bottles in plastic.