Quick view View Item Propylene glycol QC/Internal Proficiency Test Propylene glycol QC/Internal Proficiency Test Specs Part Number 38546 Solvent in methanol Concentration Varied ug/mL Amount 1 mL Additional Info. Vape Cutting Agent Components (1) Analyte CAS No. Concentration Propylene... Weight: 0.01 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: