MERCK 106521.0100 Sodium Molybdate Dihydrate GR for Analysis CAS No.10102-40-6
| Description |
|---|
| Catalogue Number | 106521 |
| Product Information |
|---|
| CAS number | 10102-40-6 |
| EC number | 231-551-7 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | Na₂MoO₄ * 2 H₂O |
| Chemical formula | Na₂MoO₄ * 2 H₂O |
| Molar Mass | 241.95 g/mol |
| HS Code | 2841 70 20 |
| Quality Level | MQ300 |
| Physicochemical Information |
|---|
| Density | 2.71 g/cm3 (22 °C) (for the dihydrate) |
| Melting Point | 687 °C Elimination of water of crystallisation |
| pH value | 9 - 10 (840 g/l, H₂O, 20 °C) |
| Bulk density | 1000 - 1400 kg/m3 |
| Solubility | 840 g/l |
| Toxicological Information |
|---|
| LD 50 oral | LD50 Rat 4233 mg/kg |
| LD 50 dermal | LD50 Rat > 2000 mg/kg |
| Safety Information according to GHS |
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| RTECS | QA5085000 |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information |
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| Storage | Store at +2°C to +30°C. |
| Specifications |
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| Assay (precipitative titration) | 99.5 - 103.0 % |
| pH-value (5 %; water, 25 °C) | 7.0 - 10.5 |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.005 % |
| Nitrate (NO₃) | ≤ 0.005 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Phosphate, Arsenate, Silicate (as PO₄) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.001 % |
| NH₄ (Ammonium) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Corresponds to ACS, Reag. Ph Eur |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
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| 1065210100 | 04022536078144 |
| 1065210250 | 04022536078151 |
| 1065211000 | 04022536078168 |
