UNICALE HD P (HYDROXYETHYLENE DIPHOSPHONIC ACID - HEDP POWDER)
GENERAL INFORMATION
UNICALE HD P is the powdered version of Hydroxyethylidene Diphosphonic Acid, providing the same effective scale inhibition and chelating properties as its liquid counterpart but with improved ease of storage and handling. It is highly suitable for applications requiring precise solid dosing, especially in industrial, detergent, and oilfield chemical formulations.
PRODUCT DESCRIPTION
| PROPERTY | VALUE |
|---|---|
| Product Name | UNICALE HD P (Hydroxyethylene Diphosphonic Acid - HEDP Powder) |
| Chemical Name | Hydroxyethylidene Diphosphonic Acid |
| CAS Number | 2809-21-4 |
| Molecular Formula | C2H8O7P2 |
| Appearance | White to off-white crystalline powder |
| Purity | ≥ 97% |
| Solubility | Soluble in water |
| pH (1% solution) | 2.0 – 3.0 |
APPLICATION AREAS
| SECTOR | APPLICATIONS |
| Water Treatment | Scale inhibition in high-temperature systems |
| Detergents & Cleaners | Solid chelating component for cleaning powders |
| Oilfield Chemicals | Dry anti-scaling additive for drilling fluids |
| Industrial Chemicals | Ingredient in water conditioning powders |
TECHNICAL SPECIFICATIONS
Active Content: ≥ 97%
Bulk Density: ~0.7–0.9 g/cm³
Iron Content: ≤ 10 ppm
Phosphorous Content (as P): 28 – 30%
ADVANTAGES
Solid format for precise dosing and transport
Long shelf life with reduced storage hazards
Maintains high chelating and anti-scaling efficacy
Compatible with various industrial powder formulations
PACKAGING / STORAGE
Packaging Options: 25 kg fiber drums or PE-lined kraft bags
Storage Conditions: Store in dry, cool environment sealed tightly
Shelf Life: 24 months in original unopened packaging
SAFETY / HANDLING
Avoid inhalation and contact with skin or eyes
Use protective gear during handling
Refer to SDS before use
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