Basic information
CAS
2809-21-4
EINECS
220-552-8
Molecular Formula
C2H8O7P2
Molecular Weight
201.9987
English Name
1-Hydroxyethylidene-1,1-diphosphonic acid
Synonyms
1-Hydroxyethane-1,1-diphosphonic Acid, Etidronic acid, HEDP, HEDPA,
Hydroxy Ethylidene-1,1-Diphosphonic Acid, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, 1-Hydroxyethylidene diphosphonic Acid, 1-hydroxy ethylene-1,1-diphosphonic acid, 1-HYDROXYETHYLIDENEDI(PHOSPHONIC ACID), disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen(phosphonate)], (1-hydroxyethane-1,1-diyl)bis(phosphonate), Hydroxyethylidenedi(phosphonic acid), Hydroxyethylidine Diphosphonic Acid, HydroxyEthylidene Diphosphonic acid
Physical and Chemical Properties
Melting point
198~199℃
Boiling point
578.8°C at 760 mmHg
Flash point
303.8°C
Vapour Pressure
8.34E-16mmHg at 25°C
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