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Merck
CN

1.08454

Supelco

Ethylenedinitrilotetraacetic acid disodium salt dihydrate

suitable for titration

Synonym(s):

Ethylenediaminetetraacetic acid disodium salt dihydrate, Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt, Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, EDTA-Na2, Edathamil, Edetate disodium salt dihydrate, Sequestrene Na2

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250 G
¥1,455.67
1 KG
¥4,850.63

¥1,455.67


Estimated to ship on2025年4月21日Details


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250 G
¥1,455.67
1 KG
¥4,850.63

About This Item

Empirical Formula (Hill Notation):
C10H14N2Na2O8 · 2H2O
CAS Number:
Molecular Weight:
372.24
Beilstein:
3900609
UNSPSC Code:
12352107
EC Index Number:
205-358-3
NACRES:
NA.21

¥1,455.67


Estimated to ship on2025年4月21日Details


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Product Name

Ethylenedinitrilotetraacetic acid disodium salt dihydrate, Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.

Quality Level

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

reaction suitability

reaction type: Complexometric reactions

technique(s)

titration: suitable

pH

4-5 (20 °C, 50 g/L in H2O)

mp

248 °C (dec.) (lit.)

solubility

100 g/L

bulk density

700 kg/m3

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This Item
27285E4884E5134
technique(s)

titration: suitable

technique(s)

-

technique(s)

-

technique(s)

electrophoresis: suitable

form

solid

form

crystals

form

solid

form

powder

potency

>2000 mg/kg LD50, oral (Rat)

potency

-

potency

-

potency

-

pH

4-5 (20 °C, 50 g/L in H2O)

pH

4-5 (20 °C, 5%)

pH

4.0-6.0 (25 °C, 5%)

pH

-

mp

248 °C (dec.) (lit.)

mp

248 °C (dec.) (lit.)

mp

248 °C (dec.) (lit.)

mp

248 °C (dec.) (lit.)

Application

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Analysis Note

Assay (complexometric; calculated as dihydrate): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Identity (Complexation): passes test
Identity (Sodium): passes test
pH (50 g/l; water): 4.0 - 5.5
In water insoluble matter: ≤ 0.003 %
Chloride (Cl): ≤ 0.004 %
Sulphate (SO₄): ≤ 0.01 %
Cyanide (CN): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Nitrilotriacetic acid (HPLC): ≤ 0.05 %
Loss on drying (150 °C; 6 h): 8.7 - 11.4 %

Other Notes

Elimination of water of crystallization: 110 °C

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - STOT RE 2 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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