EDTA 4Na
( Ethylenediaminetetraacetic Acid, tetrasodium Salt )
Molecular Formula C10H12N2O8Na4¤ý4H2O
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 22¢ªC
61g/100m§¤
at 80¢ªC
Specification
Purity ............... 97%
up ( after dehydration at 150¢ªC 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