EDTA disodium salt dihydrate Ph. Eur., USP, BP, JP, ACS

Supplier: VWR Chemicals

Synonyms: Ethylenediaminetetraacetic acid, disodium salt, dihydrate, Ethylenediaminetetraacetic acid disodium salt dihydrate, Kestranal® 2S dihydrate, Disodium dihydrogen ethylenediaminetetraacetate dihydrate, Ethylenedinitrilotetra-acetic acid disodium salt dihydrate, Ethylenediaminetetraacetic acid disodium dihydrate, Titriplex III, Ethylenediaminetetra-acetic acid disodium salt dihydrate, Kestranal® 2S 2 H2O, Sequestrene Na₂, Edetate disodium dihydrate, Edetic acid disodium salt dihydrate

VWRC20309.296EA 76.3 SGD
VWRC20309.296 VWRC20309.365 VWRC20309.460
EDTA disodium salt dihydrate Ph. Eur., USP, BP, JP, ACS
EDTA disodium salt dihydrate

Caution: Not for use as Active Pharmaceutical Ingredient (API)

Formula: C₁₀H₁₄N₂Na₂O₈·2H₂O
MW: 372,24 g/mol
Melting Pt: 255 °C
Storage Temperature: Ambient
MDL Number: MFCD00150037
CAS Number: 6381-92-6
EINECS: 205-358-3
Merck Index: 13,03543
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Specification Test Results

Appearance: 99.0 -- 101.0 %
White or almost white crystalline powder Passes test
Heavy metals (as Pb) Max. 10 ppm
Residual solvents Passes test
Residual metal catalysts (skip lot): . Passes test Ph.Eur./BP
As (Arsenic) Max. 2 ppm
Cd (Cadmium) Max. 1 ppm
Co (Cobalt) Max. 1 ppm
Hg (Mercury) Max. 3 ppm
Ni (Nickel) Max. 1 ppm
Pb (Lead) Max. 3 ppm
V (Vanadium) Max. 6 ppm
Conforms to Ph.Eur./USP/BP/JP/ACS Passes test
Ph.Eur./BP specifications: Passes test Ph.Eur./BP
Assay [Ph.Eur./BP] 98.5 --> 101.0 %
Identification A Passes test USP
Identification B Passes test USP
Identification D Passes test Ph.Eur./BP
Appearance of solution Passes test Ph.Eur./BP
pH (5 %) [Ph.Eur./BP] 4.0 --> 5.5
Impurity A (*) [Ph.Eur./BP] Max. 0.1 %
Fe (Iron) [Ph.Eur./BP] Max. 80 ppm
USP specifications: Passes test
Assay (calculated on dried basis) [USP] 99.0 --> 101.0 %
Identification C Passes test USP
Ca (Calcium) Passes test USP
Limit of nitrilotriacetic acid [USP] Max. 0.1 %
pH (25°C; 50 mg/ml) [USP] 4.0 --> 6.0
Loss on drying (150°C; 6 h) [USP] 8.7 --> 11.4 %
JP specifications:
Assay [JP] Min. 99.0 %
Identification 1 Passes test JP
Identification 2 Passes test JP
Identification 3 Passes test JP
pH (1 %) [JP] 4.3 --> 4.7
Clarity and colour of solution Passes test JP
CN (Cyanide) Passes test JP
Residue on ignition [JP] 37.0 --> 39.0 %
ACS specifications:
Assay [ACS] 99.0 --> 101.0 %
pH (25°C; 5 %) [ACS] 4.0 --> 6.0
Insoluble matter [ACS] Max. 0.005 %
Nitrilotriacetic acid [ACS] Max. 0.1 %
Heavy metals (as Pb) [ACS] Max. 0.005 %
Fe (Iron) [ACS] Max. 0.01 %
(*): Impurity A (Nitrilotriacetic acid): result guaranteed by supplier

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