CAS 139-33-3 EDTA Disodium salt
TNJ Chemical is a China factory, supplier and manufacturer of CAS 139-33-3 EDTA Disodium salt with plant site in Feidong Anhui Province. We are certified by GMP, ISO and SGS organization and specialize in chemical since from 2001. To buy bulk quantity EDTA Disodium salt CAS 139-33-3 at wholesale discounted price, please send your price inquiry to sales@tnjchem.com
Application & Function
EDTA Disodium salt, EDTA-2Na exists in white powder, easily soluble in water, but hard to soluble in organic solvents like alcohol or ethyl ether. The PH value of 5% (25℃) water solution is 4.0-6.0. EDTA is an important complexing agent for complexing metal ions and separation of metals, the materials used for processing color photographic materials, wash bleach fixer, and dyeing auxiliaries , fiber processing agents, cosmetic additives, pharmaceuticals, food, agriculture, chemical fertilizer production, blood anticoagulant, complexing agents, detergent, stabilizer, synthetic rubber, polymerization initiator and quantitative analysis of heavy metals etc.
Specification
| Item | Standard | Result | |||
| Appearance | White or off-white crystalline granule or powder | off-white granule or
crystalline powder |
|||
| Assay | ≥99.0% | 99.80% | |||
| Chloride(CL) | ≤0.05% | 0.01% | |||
| Sulfate(SO4)Content | ≤0.05% | 0.01% | |||
| Heavy metals (Pb) | ≤10ppm | ≤5ppm | |||
| Fe | ≤10ppm | 5ppm | |||
| Chelation Value | ≥220 mg(Caco3) /g | 223 mg(Caco3) /g | |||
| PH | 10.5-12.5 | 10.86 | |||
| Bulk density | 700-950 kg/m3 | 878 kg/m3 | |||
