... output of 640,000 Tons formalin,36.5%~37.4%, CAS No.: 50-00-0. Our equipment & technology are introduced form Europe, with ... ,Hazen≤10Density (p 20), g/Cm31.075~1.114Fe3+ Content, %≤0.001Methanol Content, %According to the Request formaldehyde, formalin, CAS No.: 50-00-0