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| Chemical Name | 1 – Hydroxy Ethylidene-1, 1- Diphosphonic Acid |
| Formula | C2 H8 O7 P2 |
| Molecular Weight | 206 |
| Description | Clear Colorless Liquid |
| Particulars | Limit |
| Active Content | 60% (+-2 %) |
| Specific Gravity | 1.44 – 1.46 at 30° C |
| pH of 1% Solution | Less than 2 |
| Sequestration Value | 500 Min. (mg. of CaCO3 Per gm. of product) |
| Acetic Acid | Less than 1% |
| Phosphorous Acid | Less than 2.5% |
| Chlorides | Less than 150 ppm |
| Iron | Less than 35 ppm |
| Reach Registration | Yes |
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