ethylenediaminetetraacetic acid EDTA
EDTA , Basic Information :
English name: EDTA (Ethylenediaminetetraacetic acid)
EDTA ,physical property:
1.Properties: white crystalline powder,
2.melting point 240 °C (decomposition).
3.Insoluble in cold water, alcohol and general organic solvent, slightly soluble in water, soluble in sodium hydroxide, sodium carbonate and ammonia in the solution.
EDTA ,Main USES:
1. Commonly used complexing agent reagent, also used as a detergent, blood anticoagulant, etc
2. Used for dyeing auxiliary agent, fiber treating agent, cosmetic additives, blood anticoagulant polymerization initiator, water treatment agent, rubber, PVC heat stabilizer, etc
3. As complexing agent in the plating solution, but also as a pH regulator in nickel plating liquid. The sodium salt is used as brightener passivation solution, it eliminate titanium salt passivation film of white spot, general usage 8 g/L.
4. Ethylenediamine tetraacetic acid and formamide cyclization ethyleneimine can be obtained. This is a kind of is mainly used in medicine for the treatment of psoriasis (psoriasis).
EDTA , Specification :
Item
Standard Specs
content %
appearance
≥99.0
white crystalline powder
Chloride (CI) %
≤ 0.01
Sulfate (SO4) %
≤ 0.05
Heavy metal(Pb)%
≤ 0.001
Fe %
≤ 0.001
loss on drying (105±2°C)%
≤ 0.2
mgCaCO3/g
PH value
NTA%
≥ 339
2.8-3.0
no
EDTA ,Packing:
25 kg/bag or according to customer requirements for packaging.
EDTA ,Storage:
stored in dry and ventilated warehouse, avoid direct sunlight, the light of light.
if you are interested in our products, you can contact me .
my skype is jessie3084
my email is sales1@jnsjtd.com
Permanent link: http://www.vvchem.com/sell/cas:60-00-4,3273795.html
China
