Etidronic acid

Agent Name
Etidronic acid
Alternative Name
1-Hydroxy-1,1-diphosphonoethane
CAS Number
2809-21-4
Formula
C2-H8-O7-P2
Major Category
Other Classes
Etidronic acid formula graphical representation
Synonyms
1-Hydroxy-1,1-diphosphonoethane; (1-Hydroxyethylene)diphosphonic acid; (1-Hydroxyethylidene)bis(phosphonic acid); (1-Hydroxyethylidene)diphosphonic acid; (Hydroxyethylidene)diphosphonic acid; 1,1,1-Ethanetriol diphosphonate; 1-Hydroxyethane-1,1-bisphosphonic acid; 1-Hydroxyethane-1,1-diphosphonate; 1-Hydroxyethane-1,1-diphosphonic acid; 1-Hydroxyethanediphosphonic acid; 1-Hydroxyethylidene-1,1-biphosphonate; 1-Hydroxyethylidene-1,1-bisphosphonate; 1-Hydroxyethylidene-1,1-diphosphonic acid; 1000SL; Acetodiphosphonic acid; Acide etidronique [INN-French]; Acido etidronico [INN-Spanish]; Acidum etidronicum [INN-Latin]; Dequest 2010; Dequest 2015; Dequest Z 010; Diphosphonate (base); EHDP; Ethane-1-hydroxy-1,1-diphosphonate; Ethane-1-hydroxy-1,1-diphosphonic acid; Etidronsaeure; Ferrofos 510; HEDP; Hydroxyethane-1,1-diphosphonic acid; Hydroxyethanediphosphonic acid; Oxyethylidenediphosphonic acid; Phosphonic acid, (1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)di-; Phosphonic acid, 1-hydroxy-1,1-ethanediyl ester; RP 61; Turpinal SL; [ChemIDplus] UN3261
Category
Organic Acids
Description
White odorless powder; [MSDSonline]
Sources/Uses
Used as a sequestering and chelating agent; as a scale and corrosion inhibitor; as a bone resorptions inhibitor; [Merck Index]
Comments
No human data, but not expected to increase risk of congenital abnormalities based on animal studies; [REPROTOX] Safe to use as a sequestrant in food preparation; [JECFA] Causes gastrointestinal bleeding in lethal-dose feeding studies of mice; [RTECS] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]
Biomedical References

Exposure Assessment

Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, organic, n.o.s."

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.