Water Treatment Chemical Etidronic Acid HEDP CAS No 2809-21-4

• Customization: Available
• CAS No.: 2809-21-4
• Formula: C2h8o7p2
• Model NO.: 60%
• EINECS: 2809-21-4
• Acid-Base Property: Acidic Surface Disposal Agent
• Environmental Protection: No
• Color: White
• Appearance: Liquid
• Type: Industrial Circulating Water Treatment Agent
• Product Name: Etidronic Acid (HEDP)
• CAS: 2809-21-4
• Density: 1.28-1.38 G/Ml at 20 ° C
• Transport Package: 250kgs Net in PE Drum, 1250kgs Net in IBC or Isota
• Specification: 99% min
• Trademark: SWC
• Origin: China
• Production Capacity: 20mts/Month

Product Description

Product Description

Product 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

Item	Specification
Appearance	White crystalline powder
Active acid content, %	90.0 min
H3PO3 (As PO33- ), %	0.5 max
H3PO4 (As PO43- ), %	0.3 max
Chloride (Aa Cl-),%	0.05 max
PH (As 1% solution,20ºC)	2.0 max
Iron (As Fe), ppm	10ppm max
Active Matter (as HEDP.H2O), %	98.0 min

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.