Specifications :

• Appearance : greyish white to brownish white powder
• Assay (acidimetric, calc. on anhydrous substance) : ≥ 98.5 %
• Identity (IR-spectrum) : passes test
• Appearance of solution (5 %; water) : passes test
• Water (according to Karl Fischer) : 8.5 – 9.5 %
• Sensitivity (of formaldehyde) : passes test
• Sensitivity (of nitrate) : passes test