Etidronic Acid/1-Hydroxyethylidene-1,1-diphosphonic Acid (HEDP) CAS NO. 2809-21-4
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Negotiable
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- Delivery term:
The date of payment from buyers deliver within days
- seat:
Hubei
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Long-term effective
- Last update:
2020-05-04 13:37
- Browse the number:
212
- Hubei Haihui Chemical Technology Co., Ltd. By certification [File Integrity]
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hbhh2019(Mr.)
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Area:
Hubei
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Address:
#6 of Ying Ling Road, Huangzhou Railway Station Economic Development Zone, Huanggang City, Hubei Province.
- Website: http://www.haihui-phosphate.com/ http://hbhh2019.kirsarltd.com/
Product details
1- Hydroxy Ethylidene-1,1-Diphosphonic Acid
HEDP 50% Aqueous Solution
CAS No: 2809-21-4
Molecular Formula: C2H8O7P2
Formula Weight: 206.03 g/mol
Structure
HEDP, also known as Etidronic acid or etidronate, is a bisphosphonate used in a wide range of industrial and consumer goods, as shown below.
Industry Uses
● Water treatment products
Ø Scale and corrosion inhibitor
● Pharmacology
Ø Bone scanning agent
● Metal products
Ø Metal and non-metal cleaning agent
● Leather products
Ø Used in the process of tanning and dressing leather
● Dyeing agents
Ø Stabilizer and color fixer
● Cleaning products
Ø Laundry detergents, soaps, de-greasers, spot removers
● Chelating agents
● Intermediates
Specification
Quality Specification | |
External |
Light yellow, transparent aqueous solution |
Active content (HEDP)% |
50.0 min |
Phosphoric acid (as PO43- )% |
0.8 max |
Phosphorous acid (as PO33-)% |
2.0 max |
Chloride (as Cl-) μg/g |
200.0 max |
PH (10g/L aqueous solution) |
1.5 - 2.0 |
Density (20℃) g/cm3 |
1.36 min |
Calcium chelating value (CaCO3), mg/g |
450 min |
Fe, μg/g |
20.0 max |
Usage
The dosage of 1–10 mg/L is preferred as scale inhibitor, 10–50 mg/L as corrosion inhibitor, and 1000–2000 mg/L as detergent. Usually, HEDP is also used together with polycarboxylic acid (superplasticizer), in which it acts as reducing agent.
Packaging
● 200L plastic barrel (250kg)
● IBC (1000L)
● Or at customers' requirement
Storage
Store for twelve months in cool and dry place.
Shipping
Ship within 7 days
Get A Quote
Please contact us at pians@hotmail.com
Chemical Safety and Protection
● HEDP is an acid liquid. Harmful if swallowed.
● It may cause severe skin burns and eye damage. Do not contact with skin, eyes and clothes. Wash with plenty of water immediately after contact.
● Avoid inhalation of steam or smoke, keep the container closed, operate at the place with air circulation, and clean thoroughly after operation.
Quality Standard (China): GB/T 26324-2010
Synonyms
Etidronic acid
etidronate
CAS 2809-21-4
HEDP
1-Hydroxyethylidene-1,1-diphosphonic acid
http://www.haihui-phosphate.com/
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