... Immediately; 4. High Quality & Technical Guarantee Glyoxal 40% Cas No.107-22-2 for paper making, medicine ,coating Specification ItemSuper GradeFirst ... % maxProperties: (1) Product: glyoxal 40 ± 0.5%(2) CAS no.: 107-22-2 (3) Molecular formula: C2H2O2(4) Molecular weight: 58 ... your request, with photo before shipment Glyoxal 40% Cas No.107-22-2 for paper making, medicine ,coating