| Product | 4 Chloro Phthalic Acid Monosodium Salt |
| CAS # | 56047-23-5 |
| Empirical Formula | C8H4ClNaO4 |
| Purity | 99.00% Min |
| Appearance | White To Light Tan Powder |
| M.W. | 222.5 |
| 4-Chlorophthalic Acid | 60.00% (Minimum) |
| Dichloro | 10.00% (Maximum) |
| Phthalic Acid | 16.00% (Maxiimum) |
| Salts ( as Nacl) | 6.00% (Maximum) |
| PH | Below 5 |
| Solubility | Water clear solution |
| Moisture ( as Karl fisher) | 1% |