- Contact Person : Mr. Yu Cheng
- Company Name : Changzhou Kewei Fine Chemical Co., Ltd.
- Tel : 0086-519-88172210 88172216 88172211
- Fax : 0086-519-88172212
- Address : Jiangsu,Changzhou,Riverside Chemical Development Area in Changzhou New District, Jiangsu Province. China
- Country/Region : China
- Zip : 213033
HEDP
Product: HEDP Code: KW-1001. CAS NO.: 2809-21-4
2.Chemical Name: Hydroxyethylidene-1, 1-Diphosphonic Acid
3.Alias: HEDPA; 1-Hydroxyethylidene-bisphonic acid; Oxyethlidenediphosphonic
4.Specification:
Appearance | Colorless transparent liquid |
Active content acid | 58.0-62.0% |
Phosphorous acid,as PO3 | 2.0%max |
Phosphorice acid,PO4 | 0.7%max |
Chloride ,as Cl: | 100ppm max |
Ph value(1% solution): | 2.0%max |
Iron,as Fe: | 10ppm max |
Density (20°C) : | 1.39-1.49g/cm3 |
5. Application:
A scale and synergistic corrosion inhibitor for iron rust and mineral scale from pipes of cooling circulation water units and boilers; Metal chelate agent for color fixing and bleaching in textile; Complexing agent for electron plate and scale cleaning agent for metals
Package & Storage:25kg or250kg in a plastic drum and stored in cool and dry place. Storage life is 1 years.
HEDP