MERCK 106657.1000 Sodium sulfate Anhydrous GR ACS CAS No.7757-83-7
| Description |
|---|
| Catalogue Number | 106657 |
| Product Information |
|---|
| CAS number | 7757-83-7 |
| EC number | 231-821-4 |
| Grade | Reag. Ph Eur |
| Hill Formula | Na₂O₃S |
| Chemical formula | Na₂SO₃ |
| Molar Mass | 126.04 g/mol |
| HS Code | 2832 10 00 |
| Quality Level | MQ300 |
| Physicochemical Information |
|---|
| Density | 2.630 g/cm3 |
| Melting Point | >500 °C (decomposition) |
| pH value | 9.0 - 10.5 (126 g/l, H₂O, 25 °C) |
| Bulk density | 1480 kg/m3 |
| Solubility | 220 g/l |
| Toxicological Information |
|---|
| LD 50 oral | LD50 Rat 2610 mg/kg |
| Safety Information according to GHS |
|---|
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 6Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E. |
| Storage and Shipping Information |
|---|
| Storage | Store at +2°C to +30°C. |
| Transport Information |
|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications |
|---|
| Assay (iodometric) | 97.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 0.005 % |
| Free acid | passes test |
| Titrable free base | ≤ 0.03 meq/g |
| Chloride (Cl) | ≤ 0.02 % |
| Thiosulfate (S₂O₃) | ≤ 0.1 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.0005 % |
| Se (Selenium) | ≤ 0.0004 % |
| Zn (Zinc) | ≤ 0.001 % |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
|---|
| 1066570500 | 04022536080789 |
| 1066571000 | 04022536080802 |
| 1066575000 | 04022536080826 |
| 1066579050 | 04022536080840 |
