EDTA 4Na

( Ethylenediaminetetraacetic Acid, tetrasodium Salt )

 

Molecular Formula         C10H12N2O8Na44H2O

Molecular Weight             380.2 (Anhydrous) / 452.2

CAS No                             64-02-8

Physical Properties
       Appearance .............  White Crystalline Powder
       Bulk Density  .........  approx. 0.65g/cm3
       Solubility in Water  .............  60g/100m at 22C
                                                       61g/100m at 80C
Specification
       Purity  ...............  97% up ( after dehydration at 150C for 3 hours)
       pH of 1% aqueous solution  ....................  110. ~ 12.0
       Chelating Value (as mg CaCO3/g)  ........  225 up
       APHA Colour (30wt %)  ........................  20 < S < 30

Environmental Aspects
       Biodegradability : difficult
       C.O.D. : approx. 630mg/g


Application
  
          Application Area               -   Function
          Cleaning industry              -   Hardness controller
          Detergents & soaps           -    Stabilizer
          Disinfectant                       -   Potentiation
          Metal Treatment                -  Metal remover
          Oil Field                            -   Scale dissolve
          Polymer processing           -    Stabilizer
          Pulp & Paper industry       -  Bleach stabilizer
         Textile Industry                  -    Bleach & Dye stabilizer


Packing

         25kgs net in multiply paper bag with value and inside polyethylene bag
        16MT/FCL with Pallet, wrapping

Storage
       Store on a dry place
       Opened bags must be closed again properly.

Safety Precautions in Handling
       Do not inhale or ingest, avoid contacting with the skin and protest the eye from splashes.
       Wear safety goggles, glovers and a mask of there is a risk of repeated contact.
       Wash thoroughly after handling

First-aid Measures
       Skin contact : wash with plenty of water
       Splashes in the eyes: wash with water at low pressure then with a neutral solution of boric acid.  Consult an ophthalmologist.
       Ingestion : make the victim vomit if he/she is conscious and consult a doctor if necessary