EDTA 2NA Anhydrous with CAS 139-33-3 - Image 2

EDTA 2NA Anhydrous with CAS 139-33-3

CAS No.:139-33-3
MF:C10H14N2Na2O8
EINECS No.:205-358-3
Purity:99%min
Molecular weight:336.21
Synonym: aceticacid(ethylenedinitrilo)tetra-,disodiumsalt,dihydrate; disodiumedtadihydrate; ethylenediaminetetraaceticacidsodiumsaltdihydrate(disodiumedta; ethylenediaminetetraaceticacidsodiumsaltdihydrate(disodiumedtadihChemicalbookydrate);

What is EDTA 2NA Anhydrous with CAS 139-33-3?

EDTA-2NA is a white crystalline powder without crystal waters. It has good water solubility. The pH value of 5% aqueous solution is 4-5. It is difficult to dissolve in ethanol, ether, etc. organic solvents.

Specification

ITEM	STANDARD
Appearance	White or off white crystalline powder
Purity	≥99.0%
Dissolution	Soluble in water, almost insoluble in methanol / ethanol or chloroform
Identify	1) Comply with the standard 2) Infrared light absorption spectrum should be consistent with the control spectrum (spectrum set 978) 3) Identification reaction of sodium salt should be shown
Complex force experiment	Comply with the regulations
Clarity and color of solution	Clear and colorless
PH	4.0-5.0
Chloride	≤0.004%
Loss on drying	8.7%-11.4%
Amino triacetic acid	≤0.1%
Fe	≤0.002%
Heavy metal	≤0.0001%

Application

It is an important complexing agent, used to complex metal ions and separate metals. This product is used as a bleaching fixative for the processing of color photosensitive materials, as well as a dyeing auxiliary, a fiber treatment agent, and a cosmetic additive, medicine, food, agricultural chemical micro-fertilizer production, blood anticoagulant, complexing agent, detergent, stabilizer, synthetic rubber, polymerization initiator and heavy metal quantitative analysis agent, etc.