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How much do you know about EDTA 4Na?

Release date:2016-9-6 10:38:34 Browsing times:1474

Name: EDTA 4Na (Ethylenediaminetetraacetic Acid, tetrasodium Salt)

Molecular Formula: C10H12N2O8Na4•4H2O

Molecular Structure: (HOOC-CH2)2N-CH2-CH2-N(CH2-COOH)2

Molecular weight: M=452.23

CAS No64-02-8

EINECS200-573-9

EDTA-4Na-details-1.png 

Physical Properties

       AppearanceWhite Crystalline Powder

       Bulk Densityapprox. 0.65g/cm3

       Solubility in Water60g/100mГ at 22C

                                          61g/100mГ at 80C

 

Specifications

  Purity97% up ( after dehydration at 150C for 3 hours)

       pH of 1% aqueous solution110. ~ 12.0

       Chelating Value (as mg CaCO3/g)225 up

       APHA Colour (30wt %)20 < S < 30

 

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

 

Implementation of standards

content

99.0%

Fe

0.001%

Pb

0.002%

Chelation valuemgCaCO3/g

215

PH 

10.5-11.5

 

Safety signS26 S36/S37 S37/S39

Danger signR36/37/38 R36/38


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