... Technical Guarantee Glyoxal 40% Cas No.107-22-2 for paper making, medicine ,coating Specification ItemSuper GradeFirst ClassChroma (Colorimetry-Platinum Cobalt ... industry: paper making, carbon paper (3) Medicine and chemical industry: glyoxalic acid, 2-methyl glyoxaline, imidazole, ethambutal, benzodiazine, hydroxyethyl ... before shipment Glyoxal 40% Cas No.107-22-2 for paper making, medicine ,coating