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Changsha Jianglong Chemical Technology Co., Ltd.

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Contact Us

Changsha Jianglong Chemical Technology Co., Ltd.

Mobile phone:+86-13517495809 Mr.Tan

Tel:+86-731-83998537/83998545

Fax:+86-731-89922183

Add:No.36,Wangjiawan,Zuojialong,Yuelu District,Changsha City,Hunan Province,China.

Products

1-Hydroxyethylidene-1,1-diphosphonic acid HEDP

1-Hydroxyethylidene-1,1-diphosphonic acid HEDP

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

CAS No.:2809-21-4

Molecular formula:C2H8O7P2

Relative molecular weight:206.02

Quality indicators confirm to HG/T 3537-1999

 

 

Item Indicators
HG/T 3537-1999  
Appearance Colorless or Light yellow transparent liquid White powder solid
The active component ( HEDP )% ≥ 50.0       60.0 89.0
Phosphorous acid(PO33-)% ≤ 2.0        2.0 0.80
Phosphoric acid(PO43-)% ≤ 0.8        0.8 0.50
Chloride(Cl-)% ≤ 1.0        1.0 0.10
PH (1% water solvent ) ≤ 2          2 2.0
Density(20℃)g/cm3 ≥ 1.34       1.40 ——
Iron( Fe3+ )content     ppm ≤ 10         10 5.0
Active components(HEDP•H2O) % ≥ —— 98.0

 

 

Packaging and storage

HEDP liquid,packed with plastic drum,each drum 30Kg or 250Kg,HEDP solid plastic bags lined with polyethylene bags packaging.The net weight 25kg, can also be used as required. Stored in cool indoor ventilation, moisture, storage period: 10 months.

Protection

HEDP is acidic, you should avoid contact with eyes, skin, once splashed immediately with plenty of water.

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