Pinit WARNING:About product imagesSigma 1802-50ML Naphthol AS-BI Phosphoric Acid Solution, 50mL BottleNotice: Hazardous chemicals and products will incur additional Hazmat Fees and/or mandatory shipment via LTL Motor FreightSigma-Aldrich 1802-50MLItem Number:SIG-1802-50ML Manufacturer Part No:1802-50MLManufacturer:Sigma-AldrichUnits:50mL Bottle To request the lead time of this item please click here This item is discontinued.For assistance finding an alternative item:Call:512.836.1667e-mail:customersvc@capitolscientific.com New Policies, Terms, and ConditionsDetails50mL BottleDocuments & Videos