... clear & transparent liquid2. Formic Acid 90% Applications FORMIC ACID FEED GRADE :1 Pharmaceutical industryCaffeine, Analgin, Aminopyrine, Vitamin B1,etc. ... etc. 3. Formic Acid 90% Specifications FORMIC ACID FEED GRADE : Item; First grade Second gradePurity:90min85minChroma(platinum-cobalt ... on the shipment cost,they're professional.FORMIC ACID FEED GRADE (BV Certification main product) methanoic acid ...