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Hepta Sodium Salt Of Diethylene Triamine Penta (Methylene Phosphonic Acid)

Hepta Sodium Salt Of Diethylene Triamine Penta (Methylene Phosphonic Acid)
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Hepta Sodium Salt Of Diethylene Triamine Penta (Methylene Phosphonic Acid)

CAS No.68155-78-2 (7-Na),22042-96-2 (x-Na)
Molecular Formula: C9H21O15N3P5Na7
Molecular weight: 727

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Description

DTPMP·Na7

Hepta sodium salt of Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMP·Na7)

CAS No.68155-78-2 (7-Na),22042-96-2 (x-Na)
Molecular Formula: C₉H₂₁O₁₅N₃P₅Na₇	Molecular weight: 727
Structural Formula:

Properties

DTPMP•Na7 is a scale inhibitor, for barium sulphate in particular and a chelating agent.DTPMP•Na7 can be used as stabilizer for peroxide bleaching, detergent auxiliaries, in industrial & municipal cleaning water, terrestrial heat water, oilfield water, etc.

Specification

Items	Index
Appearance	Umber transparent liquid
Active content (DTPMPA)% >	31.5-33.5	24.0-26.0
Active content (DTPMP•Na7)%	40.0-42.5	30.5-33.0
Total phosphoric acid(PO₄^3-)%	-	19.7-21.7
Chloride ( as Cl^-) %	5.0 max	5.0 max
Fe, mg/L	20.0 max	20.0 max
PH(1% water solution)	7.0-9.0	7.0-9.0
Density (20℃) g/cm³	1.25 min	1.24-1.34