Please provide your best quotation for hydroxylamine aqueous solution (hydroxylamine CAS 7803-49-8) for 50 kg. Kindly confirm: concentration, unit price and total price; purity/grade and available COA; MSDS; lead time; available stock; shelf life and recommended storage conditions; packing (drum, net weight per drum); payment terms; delivery term: DAP Moscow, Russia; other terms can be considered too.