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Trisodium etidronate

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Trisodium etidronate

CAS No. 2666-14-0 Density g/cm3
PSA 163.40000 LogP 0.32240
Solubility N/A Melting Point N/A
Formula C2H8 O7 P2 . 3 Na Boiling Point 578.8°Cat760mmHg
Molecular Weight 293.956 Flash Point 303.8°C
Transport Information N/A Appearance N/A
Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of POx and Na2O. Risk Codes R22
Molecular Structure Molecular Structure of 2666-14-0 (Phosphonic acid,P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:3)) Hazard Symbols N/A

Phosphonicacid, (1-hydroxyethylidene)bis-, trisodium salt (9CI); Phosphonic acid, (1-hydroxyethylidene)di-,trisodium salt (8CI); Dequest 2015DN; Oxyethylidenediphosphonic acid trisodiumsalt; Trisodium (1-hydroxyethylidene)diphosphonate; Trisodium1-hydroxyethane-1,1-diphosphonate; Trisodiumethane-1-hydroxy-1,1-diphosphonate; Trisodium ethanol-1,1-diphosphonate

Article Data 6

Trisodium etidronate Chemical Properties

IUPAC Name: Trisodium hydroxy-(1-hydroxy-1-phosphonatoethyl)phosphinate  
Molecular Formula: C2H5O7P2•3Na
Molecular Weight: 271.98g/mol 
EINECS: 220-200-3
Boiling Point: 578.8°C at 760mmHg
Flash Point: 303.8°C 
Freely Rotating Bonds: 3 
The Cas Register Number of Trisodium etidronate is 2666-14-0.The chemical synonyms of Trisodium etidronate (CAS NO.2666-14-0) are (1-Hydroxyethylidene)bis-phosphonicacitrisodiumsalt ; (1-Hydroxyethylidene)diphosphonicacid,trisodiumsalt ; (1-Hydroxyethylidene)-diphosphonicacitrisodiumsalt ; Ethane-1-hydroxy-1,1-diphosphonicacid,trisodiumsalt ; Phosphonicacid,(1-hydroxyethylidene)bis-,trisodiumsalt ; Trisodiumetidronate ; Trisodium hydrogen (1-hydroxyethylidene)bisphosphonate ; 1-Hydroxyethylidene-1,1-bis-(phosphonic acid) trisodium salt .The molecular structure of Trisodium etidronate (CAS NO.2666-14-0) is.

Trisodium etidronate Uses

 Trisodium etidronate (CAS NO.2666-14-0) is used as calcium regulator.

Trisodium etidronate Toxicity Data With Reference


orl-rat LD50:1280 mg/kg

    TXAPA9    Toxicology and Applied Pharmacology. 22 (1972),661.

Trisodium etidronate Consensus Reports

Reported in EPA TSCA Inventory.

Trisodium etidronate Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of POx and Na2O.
Hazard Codes: HarmfulXn
Risk Statements: 22 
R22: Harmful if swallowed.

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