ChemNet > CAS > 2809-21-4 1-Hydroxyethylidene-1,1-diphosphonic acid

2809-21-4 1-Hydroxyethylidene-1,1-diphosphonic acid

product Name	1-Hydroxyethylidene-1,1-diphosphonic acid
CAS No	2809-21-4
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
Molecular Formula	C₂H₈O₇P₂
Molecular Weight	201.9987
InChI	InChI=1/C2H8O7P2/c1-2(3,10(4,5)6)11(7,8)9/h3H,1H3,(H2,4,5,6)(H2,7,8,9)/p-4
EINECS	220-552-8
Molecular Structure
Melting point	198~199℃
Boiling point	578.8°C at 760 mmHg
Flash point	303.8°C
Vapour Pressur	8.34E-16mmHg at 25°C

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