High Purity Tetrasodium bis (phosphonate) CAS 3794-83-0 HEDP -4Na Powder For Laboratory Research

Product Description

Chemical Name: HEDP 4na; Tetrasodium etidronate

CAS No.: 3794-83-0

Molecular Fomula:  C2H4Na4O7P2

Chemical Structure:

Molecular weight: 293.96

Appearance: White powder

Used as a raw material for pesticide intermediates and

organic synthesis raw materials, Excellent inhibitor of calcium carbonate scale.

Specification

Item	Unit	Standard	Test Result
Appearance		White solid	White solid
Active componet (as HEDP)	%	≥60.0	60.525
Phosphite(as PO33-)	%	≤2.0	0.841
PH Value	-	11.0-12.0	11.20
Active componet (HEDP.Na4)	%	≥85.0	86.38
Fe Ions(Fe3+)	ppm	≤35	7.509

Application: HEDP•Na4 is the sodium salt of HEDP, which is an excellent inhibitor of calcium carbonate scale. HEDP•Na4 is mainly used for low-pressure boiler water treatment, circulating water treatment, industrial municipal clean water, and metal corrosion inhibition for swimming pool sterilization.

Application

Properties: The solid HEDP•Na4 is white powder,soluble in water,easily deliquescence,Convenient Transport,sui   table for use in winter and freezing districts. HEDP•Na4 is belong to Organic phosphate salt acid scale    and corrosion inhibitor,can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on    metal surface, it has good scale and corrosion inhibition effect under 250ºC.

Packaging & Shipping

Company Profile

We are a professional foreign trade company focusing on the export of full-range non-hazardous chemical raw materials.

We specialize in general cargo chemicals only, covering basic chemicals, fine chemicals, industrial additives, water treatment materials, daily chemical raw materials and white powder chemical materials.

We do not deal with dangerous goods, flammable, corrosive or restricted chemicals. All products are safe general cargo for sea shipment, with stable customs clearance and flexible FCL bulk supply.

Our main product portfolio includes: surfactant series, inorganic salts, water treatment chemicals, plant consumables, detergent raw materials, industrial fillers and cosmetic raw materials.

We provide complete official documents (COA, MSDS, TDS) for every shipment, support customized specifications and long-term monthly repeat orders.

With rich experience in chemical export supply chain, we serve global clients including gas factories, epoxy chemical plants, detergent manufacturers, water-treatment companies and chemical traders across Southeast Asia, Korea, India, Middle East and Australia.

We insist on stable quality, competitive price and on-time delivery, aiming to provide reliable and professional Chinese chemical sourcing solutions for global buyers.

FAQ

1.Can I get a Free sample
Yes, For most products we can provide you a free sample, You only need to pay for Shipping. Plesae be free to consult our salesman.
For a larger quantity, we always support you with better price.

2. What's your main payment method
T/T (Bank transfer),L/C,Alipay,Credit card payment.

3.How is the goods packed
We usually send goods with disguise package outside and a double-layer sterile transparent bag inside.We have tried thousand of package methods, it looks serious and discreet.

4.How to proceed order
Please Let me konw the product you are looking for,quantity and the destination country wihch help me to give you a right price;
After you confirm all details of order, pay money in advance and give us Shipping address.We arrange the shipment at first time after receive payment and offer after-sales service after you receive parcel.

5.When will I receive the shipping number Where I can check status of my order
After the goods are sent out, our staff will send you the shipping number via email, online or WhatsApp ASAP.