High Quality Chemical Sodium Formaldehyde Bisulfite 870-72-4

High Quality Chemical Sodium Formaldehyde Bisulfite 870-72-4. High Purity Options: Available in powder (95% min) and liquid (28% min) specifications. Medicine Grade Quality: Meets strict pharmaceutical standards for purity and safety. Versatile Packaging: Packaged in 25kg plastic bags inside drums for powder and drums for liquid. Stable Chemical Properties: Consistent pH range (3.0-6.0 for powder, 4.5-6.5 for liquid). Global Export Experience: Exporting since 2009 to markets including Europe, Asia, and Africa.