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Hydroxyethylamino-Di(Methylene Phosphonic Acid) (HEMPA)
TL;DR HEMPA is hydroxyethylamino-di(methylene phosphonic acid). The liquid reference lists active component≥60%, chloride≤2% and iron≤35mg/L.
Discuss the grade and application
Selection inputs
- Water analysis and scale/deposit identity
- Acid or salt identity and required active basis
- Existing oxidant and inhibitor program
- Proposed formulation and representative trial
Documents and supply
Identify the proposed grade, required quantity, packaging and destination. Ask which specification, TDS, SDS and batch-document options apply to that offer.
Technical documents · Company certificate scopes
Request a quotePhosphonate Antiscalants · Application selection · Related technical decision
Product Description
Compare the application
HEMPA is hydroxyethylamino-di(methylene phosphonic acid). The liquid reference lists active component≥60%, chloride≤2% and iron≤35mg/L. HEMPA is a separate phosphonate identity from AEEA-derived phosphonate and ATMP. Compare impurity limits, acid basis and other formulation ingredients for the actual deposit or metal-control task.
Catalog reference specifications
These are published catalog references, not a current batch COA. Match the offered grade and measurement basis before comparing offers.
| Items | Index |
|---|---|
| Appearance | Colorless to light yellow transparent liquid |
| Active content % | 60.0 min |
| pH (1% water solution) | 2.0 max |
| Chloride (as Cl-)% | 5.0 max |
| Fe, mg/L | 20 max |
| Density (20℃) g/cm3 | 1.30 min |
What should the trial compare?
Keep feed water, concentration factor, pH, temperature, oxidant exposure, mixing and residence time representative. Compare dissolved and deposited mineral, suspended material, filtration and operating trends. Verify metal corrosion and long-term membrane compatibility as separate endpoints when they are relevant to the application.
Prepare a quotation
Send the product or model, required specification, quantity, packaging and destination. Include the application and current product, if known. Confirm the available TDS, SDS, batch documents, storage conditions and commercial delivery terms for the actual offer.
Catalog reference specifications · Compare the application · Prepare a quotation
Frequently asked questions
What does the catalog specify?
HEMPA is hydroxyethylamino-di(methylene phosphonic acid). The liquid reference lists active component≥60%, chloride≤2% and iron≤35mg/L. HEMPA is a separate phosphonate identity from AEEA-derived phosphonate and ATMP. Compare impurity limits, acid basis and other formulation ingredients for the actual deposit or metal-control task.
What should the trial compare?
Keep feed water, concentration factor, pH, temperature, oxidant exposure, mixing and residence time representative. Compare dissolved and deposited mineral, suspended material, filtration and operating trends. Verify metal corrosion and long-term membrane compatibility as separate endpoints when they are relevant to the application.
What should I send for a quotation?
Send the product or model, required specification, quantity, packaging and destination. Include the application and current product, if known. Confirm the available TDS, SDS, batch documents, storage conditions and commercial delivery terms for the actual offer.
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