1-Hydroxyethane 1,1-Diphosphonic Acid
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Product Description
Product
1-Hydroxyethane 1,1-Diphosphonic Acid
CAS
2809-21-4
Formula
N/A
Synonym
Phosphonic acid, (1-hydroxyethylidene)bis-; Etidronic Acid; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-
Typical Product Specifications
Chloride
1.0% Max
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
Appearance
Clear colorless to pale yellow aqueous solution
Specific gravity
1.42 - 1.46 g/mL at 25 C
Solubility
Soluble in Water
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
Green Chemicals - Eco-Friendly , Organic Intermediates and Compounds , Personal Care - Cosmetic Ingredients , Preservatives and Anti-microbials , Surfactants - Esters - Ethoxylates , Specialty Chemicals
Industry
Functions
1-Hydroxyethane 1,1-Diphosphonic Acid
Product Description
Product
1-Hydroxyethane 1,1-Diphosphonic Acid
CAS
2809-21-4
Formula
N/A
Synonym
Phosphonic acid, (1-hydroxyethylidene)bis-; Etidronic Acid; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-
Typical Product Specifications
Chloride
1.0% Max
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
Appearance
Clear colorless to pale yellow aqueous solution
Specific gravity
1.42 - 1.46 g/mL at 25 C
Solubility
Soluble in Water
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
Green Chemicals - Eco-Friendly , Organic Intermediates and Compounds , Personal Care - Cosmetic Ingredients , Preservatives and Anti-microbials , Surfactants - Esters - Ethoxylates , Specialty Chemicals
Industry
Functions
