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Sodium sulfide, anhydrous, Thermo Scientific Chemicals
Beschreibung
In organic chemicals, dyes rayon, leather and paper, in hydrometallurgy of gold ore, sulfiding oxidized lead and copper ores, and as an analytical reagentSodium sulfide is used mainly in the pulp and paper industry in the Kraft process. It serves as an oxygen scavenger agent in water treatment. Other applications include ore flotation, oil recovery, making dyes and detergents. In the leather processing industry, it is utilized for liming operation as an unhairing agent. It is also used in the textile industry as a bleaching and desulfurizing agent and as a dechlorinating agent in chemical photography for toning black and white photographs as well as metals precipitant. It plays an important role as a sulfonation and sulfomethylation agent in the chemical industry and in the production of rubber chemicals, sulfur dyes and other chemical compounds.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Spezifikation
Spezifikation
| Melting Point | 950°C |
| Physical Form | Granules |
| Quantity | 25 g |
| Solubility Information | Soluble in water. Decomposes in acid. Slightly soluble in alcohol. Insoluble in etherSoluble in water. Slightly soluble in alcohol. Insoluble in ether. |
| IUPAC Name | disodium;sulfanide |
| Formula Weight | 78.04 |
| Sensitivity | Hygroscopic; Light sensitive |
| Density | 1.856 g/mL |
| Chemical Name or Material | Sodium sulfide, anhydrous |
Sicherheit und Handhabung
- Sodium sulfide anhydrous
- Danger
- Acute toxicity Category 3
- ACUTE AQUATIC Acute 1
- Serious eye damage/eye irritation Category 1
- Substances and mixtures corrosive to metals Category 1
- Skin corrosion/irritation Category 1 B
- H290-May be corrosive to metals.
- H301-Toxic if swallowed.
- H311-Toxic in contact with skin.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- H400-Very toxic to aquatic life.
- EUH031-Contact with acids liberates toxic gas.
- EUH071-Corrosive to the respiratory tract.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : Sodium sulfide
RUO – Research Use Only
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