The main component of the scale inhibitor ATMP is Aminotris(methylenephosphonic acid).
This is both its chemical name and what "ATMP" stands for.
Here's a more detailed breakdown:
1. Chemical Identity
Chemical Name: Aminotris(methylenephosphonic acid)
Common Abbreviation: ATMP
Alternative Names:
Aminotrimethylene phosphonic acid
Nitrilotris(methylenephosphonic acid) (NTMP)
CAS Number: 6419-19-8
2. Chemical Structure
The key to ATMP's effectiveness lies in its molecular structure. It consists of:
A central nitrogen atom.
Three methylene phosphonic acid groups (-CH₂PO₃H₂) attached to the nitrogen.
This structure can be represented as: N(CH₂PO₃H₂)₃
This structure provides multiple phosphonic acid groups that are highly effective at chelating (grabbing onto) metal ions like Calcium (Ca²⁺) and Magnesium (Mg²⁺).
3. Typical Form in Commerce
While the pure acid form exists,
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