Chromium(Ill) Nitrate Nonahydrate 250g
for analysis EMSURE®
Manufacturer: Merck
Catalog ID: 102481.0250
Stock: In Stock
Description
| Catalogue Number | 102481 |
| Synonyms | Chromic Nitrate |
Product Information
| CAS number | 7789-02-8 |
| EC number | 236-921-1 |
| Hill Formula | CrN₃O₉ * 9H₂O |
| Chemical formula | Cr(NO₃)₃ * 9H₂O |
| Molar Mass | 400.15 g/mol |
| HS Code | 2834 29 80 |
Physicochemical Information
| Melting Point | 36 - 37 °C |
| pH value | 2 - 3 (50 g/l, H₂O, 20 °C) |
| Bulk density | 710 kg/m3 |
| Solubility | 810 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 3250 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (iodometric) | ≥ 98.0 % |
| pH-value (5 %; water) | 2.0 - 3.0 |
| Chloride (Cl) | ≤ 0.002 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Cu (Copper) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.01 % |
| NH₄ (Ammonium) | ≤ 0.002 % |
| Substances not precipitated by ammonia (as sulfates) | ≤ 0.05 % |
