Products Description
This product is a brown-yellow viscous liquid. Relative density (20°C) 1.40. Pure product melting point 198-199°C, soluble in water and maleic-anhydride.html">material/ethanol.html">ethanol. Solid product has strong hygroscopicity.

Chemical Properties
| Property | Value |
| density | 2.074[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| solubility | Aqueous Acid (Slightly), Water (Sparingly) |
| pka | 2.18[at 20 ℃] |
| form | Solid |
| color | White to Off-White |
| Water Solubility | 774g/L at 20℃ |
| Stability: | Hygroscopic |
| LogP | -3 at 23℃ |
| CAS DataBase Reference | 3794-83-0(CAS DataBase Reference) |
| EPA Substance Registry System | Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt (3794-83-0) |
Safety Information
| Item | Details |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/38-36-22 |
| Safety Statements | 26-36/37/39-36 |
| RTECS | JL6475000 |
| Toxicity | rat,LD50,oral,990mg/kg (990mg/kg),KIDNEY, URETER, AND BLADDER: CHANGES IN BOTH TUBULES AND GLOMERULI,Toxicology and Applied Pharmacology. Vol. 22, Pg. 661, 1972. |
Product Application
(1-Hydroxyethylidene)bis-phosphonic Acid Tetrasodium Salt is used in method for applying a gel compound on a surface of a device and corresponding coated device.
Logistics Information
Fast delivery time
Inventory 2-3 working days New production 7-10 working days
