- What is ZEELCHEM™ 131?
- ZEELCHEM™ 131 is DTPMP (diethylene triamine penta(methylene phosphonic acid), DTPMPA) supplied as a 50 % solution.
- What is DTPMP used for?
- Main uses: oilfield scale squeeze and reinjection, high-sulphate cooling water, boiler water treatment, textile and pulp peroxide bleaching.
- What is the typical dosage of DTPMP?
- 1–30 mg/L (ppm) as product in cooling water; the final dose depends on water analysis. Use the dosing calculator on this page.
- What packaging is available?
- 65.0 kg net HDPE carboy.
- What is the price?
- Indicative price ₹ 180 per kg (ex-works Vadodara, GST extra), valid until 31-12-2026. Final price depends on quantity and delivery location; call +91-9724593964 for a firm quote.
- Do you deliver to my city?
- Yes. DTPMP is supplied Pan-India by road from Vadodara, Gujarat, to all states including Maharashtra, Tamil Nadu, Telangana, Delhi NCR, West Bengal and Madhya Pradesh.
- Who manufactures it?
- ZEEL PRODUCT, Vadodara, Gujarat, India — ISO 9001:2015, ISO 22000:2018 and ISO 14001:2015 certified. TDS, SDS and COA supplied.
Product overview
ZEELCHEM™ 131 is DTPMP (diethylene triamine penta(methylene phosphonic acid), DTPMPA) supplied as a 50 % solution. With five phosphonic groups and three nitrogen atoms per molecule, it is the strongest sulphate-scale inhibitor in the phosphonate family and remains effective at high pH and at temperatures above 210 °C.
DTPMP is the phosphonate of choice where calcium sulphate, barium sulphate and strontium sulphate scales are the main risk, as in oilfield produced-water reinjection, sea-water injection and high-sulphate cooling water. It also gives good carbonate inhibition in alkaline conditions where other phosphonates lose activity.
Its powerful chelation of transition metals makes DTPMP an effective hydrogen peroxide stabiliser in textile and pulp bleaching, and a sequestrant in detergents and industrial cleaners.
Key features & benefits
- Best-in-class inhibition of BaSO₄, SrSO₄ and CaSO₄ scale
- Effective at high pH and high temperature (> 210 °C)
- Strong chelation of Fe, Mn, Cu and alkaline-earth metals
- Hydrogen peroxide stabiliser for bleaching
- Good carbonate inhibition in alkaline water
- Low corrosivity to metals at use dilutions
Applications
- Oilfield scale squeeze and reinjection
- High-sulphate cooling water
- Boiler water treatment
- Textile and pulp peroxide bleaching
- Detergents and industrial cleaners
- RO antiscalant formulations
Technical specifications
| Appearance | Amber to brown transparent liquid |
|---|---|
| Active acid (as DTPMP) | ≥ 50.0 % |
| Phosphorous acid (as PO₃³⁻) | ≤ 3.0 % |
| Chloride (as Cl⁻) | 12.0 – 17.0 % (standard grade); low-chloride grade on request |
| pH (1 % aqueous solution) | ≤ 2.0 |
| Density at 20 °C | ≥ 1.35 g/cm³ |
| Iron (as Fe³⁺) | ≤ 35 mg/L |
Values are typical specifications. Each consignment is supplied with a batch Certificate of Analysis. Custom specifications are available on request.
Dosage & method of use
1 – 30 mg/L as a scale inhibitor depending on sulphate and barium levels; higher doses in squeeze treatments. As a peroxide stabiliser, 0.5 – 2 g/L of bleach liquor is typical.
Dosing calculator
Estimates only. Evaporation is calculated as E = 0.00153 × R × ΔT (°C); blowdown B = E ÷ (COC − 1); product feed for cooling towers = B × dose. The right dose depends on your water analysis, metallurgy and operating conditions. Our technical team will confirm it free of charge.
Packaging
65.0 kg net HDPE carboy. Each carboy is labelled with product name, batch number, net weight and GHS hazard information.
Storage & shelf life
Store in original closed HDPE / stainless-steel containers in a cool, dry, well-ventilated and shaded area away from strong alkalis and oxidisers. Avoid freezing and prolonged direct sunlight. Shelf life: 12 months in unopened packing.
Handling & safety
Acidic product. Wear chemical goggles, nitrile/PVC gloves and protective clothing. In case of eye or skin contact, rinse with plenty of water for at least 15 minutes and seek medical advice. Refer to the ZEELCHEM™ SDS (GHS / CLP format) before handling.
Frequently asked questions
What is DTPMP mainly used for?
DTPMP is used to control barium, strontium and calcium sulphate scale in oilfields and cooling water, and as a peroxide stabiliser in textile and pulp bleaching.
Is DTPMP the same as DTPMPA?
Yes. Both names refer to diethylene triamine penta(methylene phosphonic acid), CAS 15827-60-8.
Do you offer a low-chloride DTPMP?
Yes. A low-chloride grade can be supplied for applications sensitive to chloride.
What is the typical dosage of DTPMP?
1–30 mg/L (ppm) as product in cooling water; the final dose depends on water analysis. Use the dosing calculator on this page.
What packaging is available?
65.0 kg net HDPE carboy.
What is the price?
Indicative price ₹ 180 per kg (ex-works Vadodara, GST extra), valid until 31-12-2026. Final price depends on quantity and delivery location; call +91-9724593964 for a firm quote.
Do you deliver to my city?
Yes. DTPMP is supplied Pan-India by road from Vadodara, Gujarat, to all states including Maharashtra, Tamil Nadu, Telangana, Delhi NCR, West Bengal and Madhya Pradesh.
Who manufactures it?
ZEEL PRODUCT, Vadodara, Gujarat, India — ISO 9001:2015, ISO 22000:2018 and ISO 14001:2015 certified. TDS, SDS and COA supplied.