Phosphonates & salts
Disodium salt of diethylenetriamine penta(methylene phosphonic acid)
CAS 22042-96-2
This entry concerns the disodium salt of diethylenetriamine penta(methylene phosphonic acid), DTPMP·Na₂, in liquid form. The current manufacturer TDS identifies the disodium form, CAS 22042-96-2. Other sodium salts require their own specifications. Review carbonate and sulfate scale-control or cleaning requirements with H2Q INC., which handles U.S. sales, quotations, contracts and customer service.
Disodium salt · 45.0–49.0% active acid
Source: Jiyuan Qingyuan manufacturer TDS — DTPMP·Na₂. Routine manufacturer TDS supplied to H2Q on 28 October 2026. This is the receipt date, not a printed revision number. Confirm the selected grade and relevant batch COA before purchase.
The supplied TDS identifies the disodium salt, DTPMP·2Na. Other sodium salts are separate product forms and are not interchangeable by assumption.
| Parameter | Reference specification |
|---|---|
| Appearance | Dark amber liquid |
| Active acid | 45.0–49.0 % |
| pH1% solution | 2.0–3.0 |
| Density20°C | 1.350–1.450 g/cm³ |
| Chloride as Cl⁻ | ≤ 5.0 % |
| Iron as Fe | ≤ 20.0 ppm |
Options and storage information listed in the manufacturer reference.
12 months
Indoors in a shaded, dry place, as stated in the manufacturer reference.
Confirm the current grade, packaging, storage period and supply terms for your order.
The current TDS on this page identifies the disodium grade. Specify any different neutralization level separately in your inquiry.
Product identity and overview: Qingyuan official DTPMP sodium salt product page . Confirm the current grade-specific documents for your application.
FOR U.S. PROCUREMENT TEAMS
Comparing DTPMP·Na₂ supplier options? Start with the exact grade, your application and delivery requirements.
H2Q INC. handles U.S. sales, customer service, quotations and sales contracts. Jiyuan Qingyuan Water Treatment Co., Ltd., China, handles manufacturing, research and development, and export procedures. Tell H2Q your grade and destination so we can review the order requirements.
H2Q’s role and business contact · Manufacturer information and evidence
Specify the disodium grade, DTPMP·Na₂, and the required active-acid basis. The current TDS on this page identifies the disodium form; other sodium salts require separate specifications. State your trial quantity or recurring demand, with units. Minimum order quantity is confirmed individually for the grade, package and destination; there is no single minimum across this catalog.
Review DTPMP·Na₂ specifications. The reference tables do not establish current availability or an accepted order quantity.
Give your required delivery date, destination city and state, ZIP code or receiving port, and preferred delivery terms. H2Q confirms lead time, packaging, transport arrangements and delivery terms for each order in the quotation and sales contract. Qingyuan handles export procedures; import responsibilities must be agreed for the destination.
Availability and delivery timing are confirmed for the specific order; this page does not indicate U.S. inventory.
The manufacturer lists these reference packaging options for DTPMP·Na₂:
Review DTPMP·Na₂ packaging and storage. Ask for confirmation of the package, labeling and shipping arrangement for your grade and destination.
PLAN YOUR PRODUCT REVIEW
Compare the exact product and grade against your requirements before agreeing supply terms.
Also searched as: DTPMP·Na₂ · DTPMPA·Na₂ · DTPMP sodium salt
The manufacturer describes calcium carbonate, calcium sulfate and barium sulfate scale-control uses. Identify the deposit, water composition and operating conditions, and specify the sodium grade required for your evaluation.
For detergent or peroxide-bleaching work, describe the formulation, pH and other ingredients. Define your stability and compatibility tests before comparing sodium-salt grades.
Use the TDS for product review, the SDS for handling and regulatory review, and a relevant COA for batch-level checks.
Request DTPMP·Na₂ documentsNo. The current manufacturer TDS identifies DTPMPA·Na₂, the disodium form. Other neutralization levels need separate specifications. Confirm the exact sodium form in your request and purchase documents.
The reference labels that range as active acid. Do not relabel it as a sodium-salt assay or solids content. Confirm the reporting basis and test method for the exact grade in the agreed specification.
Identify whether the concern is calcium carbonate, calcium sulfate, barium sulfate or another deposit. Include the water composition, pH, temperature and other treatment ingredients so the grade can be evaluated in context.
Name the sodium form, requested specification and intended test, then give quantity, packaging, destination and timing. Sample arrangements, minimum order quantity and shipment terms need confirmation for the selected grade; the reference table does not establish availability.
CONTINUE EXPLORING
Amino tri(methylene phosphonic acid)
1-Hydroxyethylidene-1,1-diphosphonic acid
2-Phosphonobutane-1,2,4-tricarboxylic acid