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Basic Information
CAS No.: 139-33-3
Name: Ethylenediaminetetraacetic acid disodium salt
Article Data: 13
Molecular Structure:
Molecular Structure of 139-33-3 (Ethylenediaminetetraacetic acid disodium salt)
Formula: C10H14N2Na2O8
Molecular Weight: 336.209
Synonyms: Mavacid ED 4;Metaquest B;Perma Kleer Di Crystals;Sequestrene Na2;TW 204;Triplex III;Versene disodium salt;Versonol 120;Chelaplex III;Chelaton III;Clewat N;Complexon III;Disodium(ethylenedinitrilo)tetraacetate;Disodium EDTA;Disodium ethylenediamine-N,N,N',N'-tetraacetate;Disodiumversene;Dissolvine Na2;Dissolvine Na2S;
EINECS: 205-358-3
Density: 1.01 g/mL at 25 °C
Melting Point: 248 °C (dec.)(lit.)
Boiling Point: >100°C
Flash Point: 325.2oC
Solubility: water: clear, colorless
Appearance: white crystalline solid
Hazard Symbols: HarmfulXn
Risk Codes: 36/38-36/37/38-22
Safety: 26-36-37/39
PSA: 161.34000
LogP: -4.74060
Synthetic route
4,5-Di-O-isopropylidene-D-erythro-2,3-hexodiuro-2,6-pyranose

4,5-Di-O-isopropylidene-D-erythro-2,3-hexodiuro-2,6-pyranose

Oxone

Oxone

103-30-0

(E)-1,2-diphenyl-ethene

139-33-3

edetate disodium

1439-07-2

(R,R)-trans-stilbene epoxide

Conditions
ConditionsYield
With sodium hydrogencarbonate; triethylamine; tetra(n-butyl)ammonium hydrogen sulfate In hexane; acetonitrile95.2%
With sodium hydrogencarbonate; triethylamine; tetra(n-butyl)ammonium hydrogen sulfate In hexane; acetonitrile95.2%
67852-72-6

N-<3-<(mercaptocetyl)amino>benzoyl>glycine

139-33-3

edetate disodium

N-[3-(Mercaptoacetylamino)benzoyl]-glycine Potassium Salt Hydrate

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran; water93%
With potassium hydroxide In tetrahydrofuran; water93%
139-33-3

edetate disodium

3055-19-4

Ethylenediaminetetra-acetic acid N,N'-dioxide

Conditions
ConditionsYield
With sodium hydroxide; 3-chloro-benzenecarboperoxoic acid Ambient temperature;80%
67852-72-6

N-<3-<(mercaptocetyl)amino>benzoyl>glycine

139-33-3

edetate disodium

N-[3-(mercaptoacetylamino)benzoyl]glycine ammonium salt

Conditions
ConditionsYield
With ammonium hydroxide In tetrahydrofuran79.3%
With ammonium hydroxide In tetrahydrofuran79.3%
CuCO3.Cu(OH)2.H2O

CuCO3.Cu(OH)2.H2O

3022-15-9, 126330-90-3, 133525-05-0, 135841-26-8

piperazine-2-carboxylic acid dihydrochloride

139-33-3

edetate disodium

4457-32-3

4-nitrobenzyl chloroformate

623565-10-6

piperazine-1,3-dicarboxylic acid 1-(4-nitrobenzyl)ester

Conditions
ConditionsYield
With hydrogenchloride; sodium hydrogencarbonate In 1,4-dioxane; water77%
1072-72-6

Tetrahydrothiopyran-4-one

139-33-3

edetate disodium

17396-35-9

1,1-dioxotetrahydrothiopyran-4-one

Conditions
ConditionsYield
With oxone; sodium hydrogencarbonate In acetonitrile73%
10213-10-2

sodium tungstate (VI) dihydrate

86119-84-8, 7664-38-2

phosphoric acid

6046-93-1

copper(II) acetate monohydrate

139-33-3

edetate disodium

4Na(1+)*OH(1-)*2Cu(2+)*(CH2N(CH2CO2)2)2(4-)*PW12O40(3-)*17H2O=Na4(OH)(Cu2(CH2N(CH2CO2)2)2)PW12O40*17H2O

Conditions
ConditionsYield
In hydrogenchloride; water; sodium chloride Na2WO4*2H2O dissolved in H2O, heated to 90°C for 10 min, H3PO4 dissolved in aq. HCl and Cu(CH3CO2)2*H2O dissolved in satd. NaCl soln. added, pH adjusted to 3.33, kept at 90°C for 1 h, Na-salt added, stirred for 1 h, cooled to room temp.; filtered, filtrate retained in room temp. for 16 d; elem. anal.;54%
10213-10-2

sodium tungstate (VI) dihydrate

sodium metasilicate nonahydrate

6046-93-1

copper(II) acetate monohydrate

139-33-3

edetate disodium

4Na(1+)*2Cu(2+)*(CH2N(CH2CO2)2)2(4-)*SiW12O40(4-)*19H2O=Na4(Cu2(CH2N(CH2CO2)2)2)SiW12O40*19H2O

Conditions
ConditionsYield
In hydrogenchloride; water; sodium chloride Na2WO4*2H2O dissolved in H2O, heated to 90°C for 10 min, Na2SiO3 dissolved in aq. HCl and Cu(CH3CO2)2*H2O dissolved in satd. NaCl soln. added, pH adjusted to 3.33, kept at 90°C for 1 h, Na-salt added, stirred for 1 h, cooled to room temp.; filtered, filtrate retained in room temp. for 16 d; elem. anal.;50%

potassium pentachloronitrosylruthenate(III)

139-33-3

edetate disodium

Ru(H2edta)(NO)Cl*1.5H2O

Conditions
ConditionsYield
In hydrogenchloride Na2EDTA was suspended in aq. HCl, heated to reflux, soln. of Ru-complex in aq. HCl was added, heated to reflux for 18 h; filtered, solvent was removed in vacuo, dissolved in water, passed through Dowex column, collected, solvent was removed in vacuo, dried in vacuoat room temp.; elem. anal.;43.8%
1910-42-5

paraquat dichloride

139-33-3

edetate disodium

26985-31-9

methyl viologen cation radical

Conditions
ConditionsYield
With dinitrogen monoxide In water Rate constant; Irradiation; variation of MV2+ concentration, pH, mode and dose of γ-irradiation; reactivity of EDTA radicals toward methylviologen;
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Chemistry

Molecule structure of Ethylenediaminetetraacetic acid disodium salt (CAS NO.139-33-3):

IUPAC Name: Disodium 2-[carboxymethyl-[2-[carboxymethyl-(2-oxido-2-oxoethyl)amino]ethyl]amino]acetate 
Molecular Weight: 336.2063 g/mol
Molecular Formula: C10H14N2Na2O
Melting Point: 248 °C (dec.)(lit.)
Flash Point: 325.2 °C
Enthalpy of Vaporization: 99.5 kJ/mol
Boiling Point: 614.2 °C at 760 mmHg
Vapour Pressure: 1.15E-16 mmHg at 25 °C 
Storage Temp.: 2-8 °C
Water Solubility: clear, colorless
H-Bond Donor: 2
H-Bond Acceptor: 10
Rotatable Bond Count: 9
Exact Mass: 336.054555
MonoIsotopic Mass: 336.054555
Topological Polar Surface Area: 161
Heavy Atom Count: 22
Canonical SMILES: C(CN(CC(=O)O)CC(=O)[O-])N(CC(=O)O)CC(=O)[O-].[Na+].[Na+]
InChI: InChI=1S/C10H16N2O8.2Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;/q;2*+1/p-2
InChIKey: ZGTMUACCHSMWAC-UHFFFAOYSA-L
EINECS: 205-358-3
Product Categories: INORGANIC & ORGANIC CHEMICALS

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 260mg/kg (260mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 52, Pg. 126S, 1956.
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03781,
mouse LD50 oral 2050mg/kg (2050mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 52, Pg. 126S, 1956.
rabbit LD50 intravenous 47mg/kg (47mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 52, Pg. 113, 1956.
rabbit LD50 oral 2300mg/kg (2300mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 52, Pg. 113, 1956.
rat LD50 oral 2gm/kg (2000mg/kg)   Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 27, Pg. 465, 1968.

Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 36/38-36/37/38-22 
R36/38:Irritating to eyes and skin. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R22:Harmful if swallowed.
Safety Statements: 26-36-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 2
RTECS: AH4410000
Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion. Experimental teratogenic and reproductive effects. Mutation data reported. The calcium disodium salt of EDTA is used as a chelating agent in treating lead poisoning. When heated to decomposition it emits toxic fumes of NOx and Na2O.

Specification

 Ethylenediaminetetraacetic acid disodium salt (CAS NO.139-33-3) is also named as (Ethylenedinitrilo)-tetraacetic acid disodium salt ; Edta disodium ; AI3-18049 ; CBC 50152966 ; CCRIS 3658 ; Cheladrate ; Chelaplex III ; Chelaton 3 ; Chelaton III ; Chelest 200 ; Chelest B ; Clewat N ; Complexon III ; DR-16133 ; Dinatrium ethylendiamintetraacetat ; Dinatrium ethylendiamintetraacetat [Czech] ; Diso-Tate ; Disodium (ethylenedinitrilo)tetraacetate ; Disodium (ethylenedinitrilo)tetraacetic acid ; Disodium EDTA ; Disodium diacid ethylenediaminetetraacetate ; Disodium dihydrogen ethylenediaminetetraacetate ; Disodium dihydrogen(ethylenedinitrilo)tetraacetate ; Disodium edathamil ; Disodium edetate ; Disodium edta, anhydrous ; Disodium ethylenediamine-N,N,N',N'-tetraacetate ; Disodium ethylenediaminetetraacetate ; Disodium ethylenediaminetetraacetic acid ; Disodium salt of EDTA ; Disodium sequestrene ; Ethylenediaminetetraacetate, disodium salt ; F 1 (VAN) ; F 1 (complexon) ; Kiresuto B ; N,N'-1,2-Ethanediylbis(N-(carboxymethyl)glycine) disodium salt ; NSC 2760 ; Perma kleer 50 crystals disodium salt ; Versene NA ; Versene Na2 ; Versonol 120 ; Zonon D . Ethylenediaminetetraacetic acid disodium salt (CAS NO.139-33-3) is white crystalline solid.