1-Hydroxyethane 1,1-Diphosphonic Acid
Quantity
Unit
CAS #
2809-21-4
PRODUCT
SYNONYM
Etidronic Acid; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-
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FORMULA
N/A
APPEARANCE
Clear colorless to pale yellow aqueous solution
SPECIFIC GRAVITY
1.42 - 1.46 g/mL at 25 C
SOLUBILITY
Soluble in Water
PH
< 2 (1% solution)
IRON CONTENT
5 ppm Max
ACTIVE MATTER
58 - 62%
PHOSPHORIC ACID CONTENT
2.0% Max
HEAVY METALS
As: < 2 ppm; Cr/Cd/Mn/Cu/Co: < 1 ppm
CHLORIDE
1.0% Max
DENSITY (25°C)
1.43 - 1.45
MOLECULAR WEIGHT
206.03
NOTES
Used for formulating reverse osmosis and thermal desalination anti-scaling agents. It is also used in formulations for treating sterilizers.
It is certified for drinking water applications and for use in cosmetics in very dilute concentrations.
Kosher Certified also available
Use: CHELATING
CLASS
Specialty Chemicals, Surfactants - Esters - Ethoxylates, Preservatives and Anti-microbials, Personal Care - Cosmetic Ingredients, Organic Intermediates and Compounds, Green Chemicals - Eco-Friendly
FUNCTIONS
Intermediates, Chemical Intermediate , Biocide, Antiscaling Agent
INDUSTRY
Cosmetic, Industrial, Water Treatment, Personal Care, Specialty Chemicals
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