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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 16126Generated: October 23, 2026

Sodium Chloride → EDTA disodium salt

https://huagongshe.com/en/reaction/16126

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium ChlorideHCID 5234—
ReactantEthylenediaminetetraacetic AcidHCID 6049—
SolventWaterHCID 962—
ProductEDTA disodium saltHCID 8759—

Reaction Conditions

Temperature65 °C

Reaction Steps

Crude MTC product (MW 373.90, 10.0 g, ˜26.7 mmol) was fully dissolved in H2O (270 cm3). Ethylenediaminetetraacetic acid (EDTA) disodium salt dihydrate (MW 372.24, 1 g, 2.68 mmol, 0.1 equivalents) was added. The mixture was stirred at 65° C. for approximately 1 hour. The mixture was filtered by vacuum filtration. The filtrate was collected. Sodium chloride (NaCl, MW 57.96, 16 g, 0.276 mol, 10 equivalents) was added to the filtrate while stirring. The resulting precipitate was collected by vacuum filtration.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07737138B2
Source datasetuspto-grants-2010_06
ORD IDord-ae6c6ebfed9b49a7974c79fca2e657ca
Source noteuspto-grants-2010_06