Properties: White, crystalline powder, mp 240-241° (dec). Soly in water at 20°: 0.2 g/100 g. The free acid tends to decarboxylate when heated to temps of 150°. Stable on storage and on boiling in aq soln.
Melting point: mp 240-241° (dec)
Derivative Type: Calcium disodium salt
CAS Registry Number: 62-33-9
CAS Name: [[N,N¢-1,2-Ethanediylbis[N-(carboxymethyl)glycinato]](4-)-N,N¢,O,O¢,ON,ON¢]calciate(2-)disodium
Additional Names: edetate calcium disodium
Trademarks: Antallin; Calcium Disodium Versenate; Ledclair (Sinclair); Mosatil; Sormetal
Percent Composition: C 32.09%, H 3.23%, Ca 10.71%, N 7.48%, Na 12.29%, O 34.20%
Literature References: Prepn: Astakhov, Kiseleva, Zh. Obshch. Khim.
20, 1780 (1950), C.A.
45, 2409 (1951).
Properties: Tetrahydrate, powder. Sol in water: at 30° a 0.1M soln can be prepd (pH ~7). Practically insol in organic solvents.
Derivative Type: Cobalt salt
CAS Registry Number: 36499-65-7
Additional Names: Dicobalt edetate
Trademarks: Kelocyanor (Serb)
Percent Composition: C 29.58%, H 2.98%, Co 29.03%, N 6.90%, O 31.52%
Derivative Type: Disodium salt
CAS Registry Number: 139-33-3
Additional Names: Edetate disodium; tetracemate disodium
Trademarks: Chelaplex III; Chelatran (Serb); Endrate disodium (Abbott); Titriplex III (Merck KGaA); Versene Na2 (Dow)
Percent Composition: C 35.72%, H 4.20%, N 8.33%, Na 13.68%, O 38.07%
Properties: Dihydrate: crystals, mp 252° (dec). pH about 5.3. Soly in water at 20°: 10.8 g/100 ml.
Melting point: mp 252° (dec)
Derivative Type: Tetrasodium salt
CAS Registry Number: 64-02-8
Additional Names: Edetate sodium; tetracemate tetrasodium; tetracemin
Trademarks: Endrate Tetrasodium (Abbott); Versene 100 (Dow); Sequestrene; Trilon B (BASF); Nullapon; Complexone; Distol 8; Calsol; Syntes 12a; Nervanaid B
Percent Composition: C 31.59%, H 3.18%, N 7.37%, Na 24.19%, O 33.67%
Properties: Powder, mp 300° (dec). Apparent density: 6.9 lb/gallon. Sol in water: about 103 g/100 ml. pH of 1% soln 11.3. Less sol in alcohol than the potassium salt.
Melting point: mp 300°
Density: Apparent density: 6.9 lb/gallon
Derivative Type: Trisodium salt
CAS Registry Number: 150-38-9
Additional Names: Edetate trisodium
Trademarks: Limclair (Sinclair); Versene-9 (Dow)
Percent Composition: C 33.53%, H 3.66%, N 7.82%, Na 19.25%, O 35.73%
Properties: Monohydrate: crystals from water, mp 300°. More sol in water than the corresp disodium salt or free acid. pH of 1% aq soln 9.3.
Melting point: mp 300°
Use: Preservative and color retention agent in foods, flavoring agent. As antioxidant in foods. Pharmaceutic aid (chelating agent); anticoagulant for blood collection. Chelating agent in personal care products, in pulp and paper industry, in laboratory titrimetric analysis of metals and solubilization of metal compds.
Therap-Cat: Chelating agent (metal); dicobalt edetate as antidote (cyanide).
Therap-Cat-Vet: In treatment of lead and heavy metal poisoning of farm animals.
Keywords: Chelating Agent.
产品链接: 60-00-4››