what is tetrasodium edta

{"cid":"91223982","title":"Chelating Agents Daily Chemicals Sodium Edetate CAS 64-02-8 Complexing Agent Metal Masking Agent","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/53\/49\/495c889a9178774f23d229aeff06-200x200-1.jpg","attrs":{"Price":"US $11.00 - 21.00\/ Kilogram","Brand Name":"Senzhuo","Model Number":"SZ-CTS","Minimum Order Quantity":"1kg","Delivery Time":"5-8 work days","Certification":"ISO9001","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, L\/C","Supply Ability":"1000000kg\/year","Packaging Details":"1kg\/bag 25kg\/drum","Product Name":"Sodium edetate","CAS":"64-02-8","MF":"C10H12N2Na4O8","MW":"380.17","EINECS":"200-573-9","Color":"white crystalline powder"}}

{"cid":"91149632","title":"Restaurants Clean Hand Wipes \/ Natural Hand Wipes For Babies Spunlace","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b0\/05\/f8924f1118daf46a6032eecd0c42-200x200-1.jpg","attrs":{"Price":"USD 5-USD7 per roll","Brand Name":"OEM \/ Private Lable","Model Number":"GSL16026","Minimum Order Quantity":"2000 rolls","Delivery Time":"30 days","Certification":"ISO9001,ISO14001,ISO13485,CE,FDA,SGS,GMP","Place of Origin":"Guanddong,China","Payment Terms":"T\/T, L\/C","Supply Ability":"2,000 rolls per day","Packaging Details":"1 roll per bag, 4 rolls per carton","Item Name":"Premium, FDA Registered Disinfecting Wipes For All Sanitary Needed Place 800pcs","Material":"Spunlace,Paper,PP Spunbond,ES Thermal Bond etc","Size":"20*15cm or Your Size","Private Lable":"Yes","Sample":"Free","Rolls per carton":"4 rolls per carton"}}