
CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium etidronate
Molekulare Formel: C2H4O7P2Schonn4 Molekulare Gewiicht: 294
Strukturell Formel:
Eegeschaften:
HEDP•Na4 ass d'Natrium Salz vun HEDP, HEDP•Na4 ass e gudde Skala-Inhibitor fir Kalziumkarbonat, et kann an engem nidderegen Drock Kesselwaassersystem, zirkuléierende Waassersystem, industriellen a kommunale Botzwaassersystem a Schwämm benotzt ginn.
The solid HEDP•Na4 ass wäiss Pudder, soluble am Waasser, liicht deliquescence, gëeegent fir benotzen am Wanter an Afréiere Quartieren. Et ass eng Aart vun Organophorphonic Seier Skala a corrosion inhibitor, kann stabil Komplex mat Fe, Cu an Zn Ionen Form, et kann d'Oxiden op Metall Uewerfläch opléisen, et huet gutt Skala an corrosion inhibition Effekt ënner 250 ℃.
HEDP•Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 gëtt als chelating Agent benotzt.
Spezifizéierung:
Artikelen |
Index |
|
Ausgesinn |
Faarflos bis gielzeg transparent Flëssegkeet |
Wäiss Pudder |
Aktiven Inhalt (HEDP)% |
20.3-21.7 |
60,0 min |
Active content (HEDP•Na4)% |
29.0-31.0 |
85,0 min |
Gesamt Phosphorsäure (als PO43-) % |
18.4-20.4 |
55,0 min |
Fe, mg/l |
20,0 max |
35,0 max |
Fiichtegkeet,% |
-- |
10,0 max |
Dicht (20 ℃) g/cm3 |
1.26-1.36 |
-- |
PH (1% Waasser Léisung) |
10.0-12.0 |
11.0-12.0 |
Package a Lagerung:
Flëssegkeet: 200L Plastikstrommel, IBC (1000L), Clienten Ufuerderung.
Solid: 25kg / Sak, Client Ufuerderung. Lagerung fir zéng Méint am schatteg Raum an dréchen Plaz.
Sécherheet a Schutz:
HEDP·Na4 is alkaline. Avoid contact with eyes and skin. Once splashed on the body, rinse immediately with plenty of water.
Synonyme:
Tetrasodium (1-Hydroxyethyliden)bisphosphonat