HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA 2018-07-20T01:51:58+00:00

Project Description

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HexaMethyleneDiamineTetra (MethylenePhosphonic Acid) HMDTMPA

CAS No.: 23605-74-5
Molecular Formula: C10H28N2O12P4
Molecular Weight: 492.3
Structural Formula:


HMDTMPA is a white crystal powder at room temperature, slightly soluble in water, with solubility less than 5%.

HMDTMPA can inhibit most scale formation such as calcium carbonate, calcium sulfate, barium sulfate and ferric oxide. As water treatment chemicals, HDTMPA is used as scale inhibitors for calcium sulfate and barium sulfate, for calcium sulfate in particular. It has high scale inhibition rate and can last for long effective time. HMDTMPA can be used for crush treatment in oilfield and for water treatment in boiler.

White crystal powder
Active component (as HDTPMA-) %
97.0 min
chloride (Cl-)%
0.5 max
pH (1% water solution)
2.0 max
35 max
Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for twelve month in shady room and dry place.