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Shanghai Sunwise Chemical Co., Ltd.

Etidronic Acid, HEDP, 2809-21-4 manufacturer / supplier in China, offering Etidronic Acid (HEDP) CAS No. 2809-21-4, 5-Methyl-1h-Benzotriazole 99% Powder CAS: 136-85-6, Light Stabilizer CAS No. 1843-05-6; UV 531 and so on.

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Supplier Homepage Product Water Treatment Chemicals and biocides Etidronic Acid (HEDP) CAS No. 2809-21-4

Etidronic Acid (HEDP) CAS No. 2809-21-4

FOB Price: US $1-100 / KG
Min. Order: 1 KG
Min. Order FOB Price
1 KG US $1-100/ KG
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Port: Shanghai, China
Production Capacity: 20mts/Month
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: 60%
  • Environmental Protection: No
  • CAS: 2809-21-4
  • Trademark: SWC
  • Origin: China
  • Acid-Base Property: Acidic Surface Disposal Agent
  • Product Name: Etidronic Acid (HEDP)
  • Density: 1.28-1.38 G/Ml at 20 ° C
  • Transport Package: 250kgs Net in PE Drum, 1250kgs Net in IBC or Isota
Product Description
Synonyms: Hydroxyethylidenedi(phosphonic acid); Etidronic acid; HEDP
Molecular Formula: C2H8O7P2
Molecular Weight: 206.03
CAS Number: 2809-21-4
EINECS Number: 2205528

Appearance: Water white to pale yellow liquid
Density: 1.28-1.38 g/ml at 20 ° C
Solubility in water: Miscible
Stability: Stable under ordinary conditions

Storage and Packing
Packing: 250kgs net in PE drum, 1250kgs net in IBC or Isotank

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.

Safety Infromation
UN 3265 8/PG 3.
Test ItemsStandard
AppearanceWater white to pale yellow liquid 
Active acid58.0 - 62.0%
pH (1% solution) @ 25º C2.0 max
Density @20 º C1.42 - 1.47g/cm 3
Chloride (as Cl)100ppm max
Iron (as Fe)20ppm max
H3PO4 (as PO4)4.0% max
Color (APHA, Hazen)150 max
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