assisting chrome tanning formic acid sodium salt

{"cid":"91224215","title":"25kg Bag Sodium Salt Of Formic Acid Leather Tanning Agent CAS NO 141-53-7","imgUrl":"https:\/\/img.chinax.com\/nimg\/3a\/d9\/d842982d11462716a647b9210ef9-200x200-1.jpg","attrs":{"Price":"USD280-330\/MT","Brand Name":"QIFENGHERUN","Model Number":"92%,95%,98% white powder","Minimum Order Quantity":"20 MT","Delivery Time":"7 DAYS","Certification":"ISO,REACH","Place of Origin":"CHINA","Payment Terms":"T\/T,L\/C","Supply Ability":"20000 MTS YEARLY","Packaging Details":"25KG PE ; 1250KG\/BAG;load 25mts with pallet for 1FCL & 27mts without pallet for 1FCL","Appearance":"White crystal powder","Organic impurities":"1.5%max","Purity":"92% min\/95% min\/98%","Moisture":"1.0%max","CAS NO.":"141-53-7","Solution":"clear,without impurity","application":"raw material of Sodium Hydrosulfite","Storage":"In cool, well-ventilated place"}}