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Upper level
ATMP
Na5HATMP
BHMT
DTPMP
Na7DTPMP
DPSC
EDTMPS
K6HDTMP
HEDP
Na4HEDP
HPA
PBTC
TETHMP

Ethylene Diamine Tetra(Methylene Phosphonic Acid) Sodium Salt


Identification

Synonyms: sodium EDTMP; EDTMPS; [1,2-Ethanediylbis[nitrilobis-(methylene)]]tetrakis-phosphonic acid; Ethylenediaminetetra(methylphosphonic acid); Ethylenebis(nitrilodimethylene)tetraphosphonic acid; N,N,N',N'-ETHYLENEDIAMINETETRA(METHYLENEPHOSPHONIC ACID); [1,2-Ethanediylbis[nitrilobis-(methylene)]]tetrakis-phosphonic acid

EC name: [ethane-1,2-diylbis[nitrilobis(methylene)]]tetrakisphosphonic acid

De:[Ethan-1,2-diylbis[nitrilobis(methylen)]]tetrakisphosphonsäure

Es: Ácido [etano-1,2-diilbis[nitrilobis(metilen)]]tetrakisfosfónico

Fr: Acide [éthane-1,2-diylbis[nitrilobis(méthylène)]]tétrakisphosphonique

CAS No. of acid 1429-50-1

EC No. of acid: 215-851-5

Molecular Weight of acid:  436.12524

Molecular Formula of acid: C6H20N2O12P2

Structural Formula of acid:  

                                              (the product is mixture of sodium salts)

Application

EDTPMS is applied as a scale and synergistic corrosion inhibitor for cooling water system and boilers, Metal chelate agent and color fixing agent for print and textile; Complexing agent for electron plate and metals scale cleaning agent

Specification*

 

Parameters

Specification

Appearance

yellow transparent liquid

Active Content  as Acid

29±1%
Phosphorous Acid (as PO3) 5.0% max
Phosphoric acid (as PO4) 2.0% max.

Chlorides (as Cl)

6.0% max

pH Value (1% aqueous)

9.5~10.5
Ethylenediamine 0.08% max.

Density( 20°C), g/cm3

1.30~1.40

 

Standard Packing

260kgs net/200L poly drums

Risks and Safety Info

not regulated by UN

Copyright 2005 Wanjie International Co., Limited (China)   All rights reserved   Last Updated 26 April, 2007