Tri-Sodium Citrate Dihydrate 500gm
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106448.0500
Stock: In Stock
Description
| Catalogue Number | 106448 |
| Replaces | SX0445; SX0445-1; SX0445-3; SX0445-5; SX0445-20 |
| Synonyms | Trisodium Citrate, Sodium Citrate, Dihydrate |
Product Information
| CAS number | 6132-04-3 |
| EC number | 200-675-3 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | C₆H₅Na₃O₇ * 2 H₂O |
| Molar Mass | 294.10 g/mol |
| HS Code | 2918 15 00 |
Physicochemical Information
| Melting Point | 150 °C (anhydrous substance) |
| pH value | 7.5 - 9.0 (50 g/l, H₂O, 25 °C) |
| Bulk density | 600 kg/m3 |
| Solubility | 720 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 8000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (perchloric acid titration) | 99.0 - 101.0 % |
| Assay (Perchloric acid titration, calc. on anhydrous substance) | 99.0 - 101.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 0.005 % |
| pH-value (5 %; water; 25 °C) | 7.5 - 9.0 |
| Acidity or alkalinity | passes test |
| Chloride (Cl) | ≤ 0.001 % |
| Oxalate (C₂O₄) | ≤ 0.0300 % |
| Phosphate (PO₄) | ≤ 0.002 % |
| Sulfate (SO₄) | ≤ 0.004 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (ACS) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.0005 % |
| NH₃ (Ammonia) | ≤ 0.003 % |
| Readily carbonisable substance | passes test |
| Water | 11.0 - 13.0 % |
| Corresponds to ACS,ISO,Reag. Ph Eur |
