ISO 9001 Certified

We implement ISO management throughout our day to day operation. Since we started ISO system in Year 2008, we improve each year to implement the management system in details of each supplying process. This helps us to provide better services and meet or even go beyond customer’s expectations.

In-depth understanding of customers’ individual requirements and specific needs

Thanks to years of working in chemical business, and cooperation with world leading companies in various industries, we could understand customers’ specific needs, hence to assess manufacturers based on customers’ criteria and supervise the overall process starting from product standard, supplier qualification to entire trading process in customers’ point of view.

Uncompromising quality and safety compliance

Product quality and safe transportation are always our priorities.

Working with world class testing and analysis institution in Shanghai, we provide more comprehensive tests, which manufacturers are not able to carry out. Following strictly international standard on packing, labeling, palletizing and cargo reinforcement, we work on every detail to ensure goods arrival to customers in safe and good condition.

Multiple logistic solutions

Based on customers’ specific needs and properties of cargo, we provide multiple logistic solutions including sea, air, courier and land transportation. We are especially experienced in cargo consolidation of different classifications and make maximum use of each delivery to minimize transportation costs.

roduct Name: 1-Hydroxyethylidene-1,1-diphosphonic acid

Identification
Synonyms Hydroxyethylidenedi(phosphonic acid); Etidronic acid; HEDP

Molecular Formula C2H8O7P2

Molecular Weight 206.03

CAS Number 2809-21-4

EINECS/ELINCS 220-552-8

Properties
Appearance white crytalline powder
Solubility miscible in water
Stability stable under ordinary conditions

Specification

Application
HEDP is noted for excellent CACO3 scale inhibition and chlorine stability. It is widely used in industry as a sequestering agent and calcium carbonate scale inhibitor for applications in cooling water treatment, boiler water treatment, industrial and institutional cleaners, swimming pool stain prevention, personal care products, metal ion control.
Recommended Uses: Cooling water treatment, Boiler treatment, I & I Cleaners, Metal Ion Control, Swimming pool, Personal care products.

Packing and Storage
Packing: In 25kgs net plastic woven bag.
Storage: Keep tightly closed.

Safety Information
UN 3261 Class 8 PG III
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

Adhering to a strict way of doing things right, honoring every commitment, and continuing to create values for customers are SunwiseChem’s fundamental principles and spirits.

Throughout the development over ten years, SunwiseChem has been managing the entire trade process for each transaction, and paying attention to every detail. Today, SunwiseChem  provides global customers comprehensive services including sourcing, custom synthesis, quality control and multiple logistic solutions.

After years of accumulation, SunwiseChem has formed several product lines, including plastic additives/auxiliaries and films, water treatment chemicals and biocides, electronic and new material chemicals, pharmaceutical/agrochemical raw materials and intermediates, and ink/printing chemicals among others.

SunwiseChem has been consistently seeking the development together with its customers, by looking into their individual requirement, proactively discussing and being involved in customer’s project development, choosing manufacturing sites under stringent criteria, and endeavoring itself to follow-up project stages closely. Being always available and reliable when customers seeking information and development, SunwiseChem has formed strategic partnership with its key customers and has been growing together with them.

SunwiseChem pays close attention to new policies and changes in relevant chemical industries both in China and globally, especially on the EHS status of its suppliers, to ensure selected manufacturers in consistent supply to our customers.

Our endeavors and strives to excel, have won us more and more confidence and supports, from both customers and suppliers. SunwiseChem, a partner you could reply on.