CAS No.67-42-5,Ethylenebis(oxyethylenenitrilo)tetraacetic acid Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	67-42-5
Name:	Ethylenebis(oxyethylenenitrilo)tetraacetic acid
Article Data:	4

Formula:	C₁₄H₂₄N₂O₁₀
Molecular Weight:	380.352
Synonyms:	Ethylene glycol-bis-(2-aminoethyl)tetraacetic acid;Aceticacid, [ethylenebis(oxyethylenenitrilo)]tetra- (6CI,8CI);1,2-Bis(2-aminoethoxyethane)-N,N,N',N'-tetraacetic acid;3,6-Dioxaoctane-1,8-diamine-N,N,N',N'-tetraacetic acid;Egtazic acid;Ethylene glycol bis(2-aminoethylether)-N,N,N',N'-tetraacetic acid;O,O'-Bis(2-aminoethyl)ethylene glycol-N,N,N',N'-tetraacetic acid;Ethylenebis(oxyethylenenitrilo)tetraacetic acid;
EINECS:	200-651-2
Density:	1.433 g/cm³
Melting Point:	241 °C (dec.)(lit.)
Boiling Point:	678.016 °C at 760 mmHg
Flash Point:	363.851 °C
Solubility:	slightly soluble in water
Appearance:	white to slightly off-white powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	24/25-36-26
PSA:	174.14000
LogP:	-2.03800

Synthetic route

: 929-59-9
3,6-dioxa-1,8-diaminooctane

: 79-11-8
chloroacetic acid

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: 23910-62-5
dianhydride of ethylene bis(oxyethylenenitrilo)tetraacetic acid

Conditions

Conditions	Yield
With acetic anhydride In pyridine at 65℃; for 20h; Dehydration;	98%
Stage #1: ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid With pyridine for 0.25h; Inert atmosphere; Stage #2: With acetic anhydride at 65℃; for 24h; Inert atmosphere; Sealed tube;	91%

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: 5856-62-2
(S)-2-aminobutan-1-ol

: 850410-82-1
(-)-N,N,N',N'-tetrakis{[4-(S)-ethyloxazolin-2-yl]methyl}ethylene glycol bis(2-aminoethyl) ether

Conditions

Conditions	Yield
Stage #1: ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid; (S)-2-aminobutan-1-ol In toluene for 20h; Reflux; Stage #2: at 135℃; for 8h;	93%

: europium(III) oxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: K(1+)*Eu(C6H12O2N2(CH2COO)4)(1-) = K[Eu(C6H12O2N2(CH2COO)4)]

Conditions

Conditions	Yield
With potassium hydroxide In water suspn. stirring, heating (80°C); filtration, evapn. (vac.);	90%

: gadolinium(III) oxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: K(1+)*Gd(C6H12O2N2(CH2COO)4)(1-) = K[Gd(C6H12O2N2(CH2COO)4)]

Conditions

Conditions	Yield
With potassium hydroxide In water suspn. stirring, heating (80°C); filtration, evapn. (vac.);	90%

: holmium(III) oxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: K(1+)*Ho(C6H12O2N2(CH2COO)4)(1-) = K[Ho(C6H12O2N2(CH2COO)4)]

Conditions

Conditions	Yield
With potassium hydroxide In water suspn. stirring, heating (80°C); filtration, evapn. (vac.);	90%

: ytterbium(III) oxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: K(1+)*Yb(C6H12O2N2(CH2COO)4)(1-) = K[Yb(C6H12O2N2(CH2COO)4)]

Conditions

Conditions	Yield
With potassium hydroxide In water suspn. stirring, heating (80°C); filtration, evapn. (vac.);	90%

: 288-32-4
1H-imidazole

: malachite

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: (3,12-bis(carboxylatomethyl)-6,9-dioxa-3,12-diazatetradecanedioate)bis(imidazole)dicopper(II)

Conditions

Conditions	Yield
In water soln. of Cu salt and ligand in H2O heated under stirring (vac.), imidazole added; filtered, filtrate evapd. at room temp., recrystd. from H2O; elem. anal.;	90%

...Expand

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: 95-54-5
1,2-diamino-benzene

: 89735-41-1
ethylene glycol-bis-(β-aminoethylether) N,N,N',N'-tetrakis<2-benzimidazolyl>

Conditions

Conditions	Yield
at 180℃; for 5h;	87%
at 180℃; for 3h;	87%
at 180 - 190℃; for 1h; Acetylation;	70%

: yttrium(III) oxide

: 67-42-5
ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid

: 7732-18-5
water

: 107-15-3
ethylenediamine

: (ethylenediamine*H2)[YIII(ethyleneglycol-bis(2-aminoethylether)-N,N,N',N'-tetraacarboxylate)H2O]2*6H2O

Conditions

Conditions	Yield
Stage #1: yttrium(III) oxide; ethylene glycol-bis(2-aminoethyl)-N,N,N'N,'-tetraacetic acid; water for 18h; Heating; Reflux; Stage #2: ethylenediamine pH=6;	86.25%

...Expand

Raw Materials

79-11-8

929-59-9

Total:117 Page 1 of 4 1 2 3 4 Next>>

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Consensus Reports

Glycol ether compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Specification

1.Introduction of Ethylenebis(oxyethylenenitrilo)tetraacetic acid

The Ethylenebis(oxyethylenenitrilo)tetraacetic acid, with the CAS registry number 67-42-5, is also known as Egtazic acid. It belongs to the product categories of Analytical Chemistry; Chelating Reagents; Complexones; EDTA Analogs. Its EINECS registry number is 200-651-2. This chemical's molecular formula is C₁₄H₂₄N₂O₁₀ and molecular weight is 380.35. What's more, its IUPAC name is called 2-[2-[2-[2-[Bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)amino]acetic acid. It should be stored in a sealed place. This chemical can be used in organic synthesis.

2.Physical properties of Ethylenebis(oxyethylenenitrilo)tetraacetic acid

(1)ACD/LogP: -0.388; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -5.38; (4)ACD/LogD (pH 7.4): -5.43; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 12; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 17; (12)Polar Surface Area: 174.14 Å²; (13)Index of Refraction: 1.547; (14)Molar Refractivity: 84.1 cm³; (15)Molar Volume: 265.364 cm³; (16)Polarizability: 33.34×10^-24cm³; (17)Surface Tension: 69.802 dyne/cm; (18)Density: 1.433 g/cm³; (19)Flash Point: 363.851 °C; (20)Enthalpy of Vaporization: 108.482 kJ/mol; (21)Boiling Point: 678.016 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

3.Structure descriptors of Ethylenebis(oxyethylenenitrilo)tetraacetic acid

(1) SMILES: O=C(O)CN(CC(=O)O)CCOCCOCCN(CC(=O)O)CC(=O)O
(2) InChI: InChI=1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)
(3) InChIKey: DEFVIWRASFVYLL-UHFFFAOYSA-N

4.Uses of Ethylenebis(oxyethylenenitrilo)tetraacetic acid

Ethylenebis(oxyethylenenitrilo)tetraacetic acid is used to produce other chemicals. For example, it can react with benzene-1,2-diamine to get 1,8-bis[bis(benzimidazol-2'-ylmethyl)amino]-3,6-dioxaoctane. This reaction needs the temperature of 180 °C. The reaction time is 3 hours. The yield is 87 %.

Ethylenebis(oxyethylenenitrilo)tetraacetic acid can react with benzene-1,2-diamine to get 1,8-bis[bis(benzimidazol-2'-ylmethyl)amino]-3,6-dioxaoctane.

5.Safety information of Ethylenebis(oxyethylenenitrilo)tetraacetic acid

This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing and avoid contacting with skin, eyes. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

6.The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	150mg/kg (150mg/kg)		National Technical Information Service. Vol. AD691-490,
rat	LD50	oral	3587mg/kg (3587mg/kg)		Toxicology and Applied Pharmacology. Vol. 16, Pg. 807, 1970.