Ethylenediaminetetraacetic Acid Tetrasodium Salt 4-hydrate PRS
C10H12N2Na4O8.4H2O
| M.= 452,24 | CAS [13235-36-4] | EINECS 200-573-9 |
| NC 2922 49 95 | | |
SYNONYMS: N,N'-1,2-Ethanediyl-bis[N-(Carboxymethyl) Glycine] Tetrasodium salt ˇ Sodium Edetate ˇ EDTA Tetrasodium salt ˇ Ethylenedinitriletetraacetic Acid , Tetrasodium salt ˇ
PHYSICAL DATA: White crystalline powder ˇ Solubility in water at 20 ēC 1030 g/l ˇ
BIBLIOGRAPHY: Merck Index 12 , 3557 ˇ Safety 2 , 1607 D ˇ Fieser 1 , 373 5 , 296 ˇ Beilstein 4 , III , 1188 IV , 2451 ˇ BRN: 3861753 ˇ
HAZARDOUS: RTECS: AH 5075000 ˇ
 | R: 22-41
S: 26-39-46 |
SPECIFICATIONS:
| Assay (Compl.) | 98 % |
| Identity | IR p/t. |
| pH of 1% solution | 10,4-11,4 |
| Insoluble matter in H2O | 0,02 % |
| Chloride (Cl) | 0,02 % |
| Sulphate (SO4) | 0,05 % |
| Heavy metals (as Pb) | 0,002 % |
| Cu | 0,0005 % |
| Fe | 0,001 % |
| Ni | 0,001 % |
| Pb | 0,001 % |