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HDTMP

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HDTMP is white crystal powder at room temperature, slightly soluble in water, with solubility less than 5%. HDTMP can inhibit most scale formation such as calcium carbonate, calcium sulfate, barium sulfate and ferric oxide. But in water treatment industry, HDTMP is mainly used as scale inhibitor for calcium sulfate and barium sulfate.

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  • HDTMP
  • ThFine
  • CAS No. 23605-74-5
  • HexaMethyleneDiamineTetra (MethylenePhosphonic Acid)

HexaMethyleneDiamineTetra (MethylenePhosphonic Acid)

HDTMP


CAS No.: 23605-74-5                                      EINECS No.: 245-781-0

Molecular Formula: C10H28N2O12P4               Molecular Weight: 492.3

RIDADR: UN 3261 8/PG II

Structural Formula:

HMDTMPA.gif


Properties: 

HDTMP is white crystal powder at room temperature, slightly soluble in water, with solubility less than 5%. HDTMP can inhibit most scale formation such as calcium carbonate, calcium sulfate, barium sulfate and ferric oxide. But in water treatment industry, HDTMP is mainly used as scale inhibitor for calcium sulfate and barium sulfate.

Among all the organic phosphonic acids, HDTMP has the best scale inhibition performance for calcium sulfate, and not only the scale inhibition rate is high, the effective time is long, so especially suitable for extrusion treatment in oilfield. HDTMP can also be used for water treatment in boilers.


Specification:

Items

Index

Appearance

White crystal powder

Active component (as HDTPMA-) %

97.0 min

chloride (Cl-)%

0.5 max

pH (1% water solution)

2.0 max

Femg/L

35 max


Package and Storage:

Normally 25kg inner liner PE bag, 1000kg woven bag, or customers’ requirement. 

Storage for twelve month in shady room and dry place.


Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.


Synonyms:

HMDTMPAHDTMPHDTMPAHDTMP(A);

HexaMethyleneDiamineTetra(MethylenePhosphonic Acid);

HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA;

Hexamethylenediaminetetrakis-(methylenephosphonic acid);



Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents

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