CadmiumSulphate
Cadmium sulfate
CAS: 10124-36-4;15244-35-6
Molecular Formula: CdO4S
CadmiumSulphate - Names and Identifiers
| Name | Cadmium sulfate |
| Synonyms | CadmiumSulphate Cadmium sulfate CADMIUM SULFATE CADMIUM SULPHATE cadmiummonosulfate CADMIUM SULPHATE ACID Cadmium sulfate, for analysis Cadmium Sulfate, Anhydrous, Reagent |
| CAS | 10124-36-4 15244-35-6 |
| EINECS | 233-331-6 |
| InChI | InChI=1/Cd.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2 |
CadmiumSulphate - Physico-chemical Properties
| Molecular Formula | CdO4S |
| Molar Mass | 208.47 |
| Density | 4.691 |
| Melting Point | 41 °C |
| Water Solubility | 1130 G/L (20 ºC) |
| Solubility | water: soluble |
| Vapor Presure | 26.8hPa at 25℃ |
| Appearance | Powder |
| Color | White |
| Exposure Limit | ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3NIOSH: IDLH 9 mg/m3 |
| Merck | 14,1627 |
| Stability | Stable. |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | Colorless monoclinic crystal, no odor. |
| Use | For the production of cadmium batteries, metal cadmium, cadmium fertilizer, also used in electronics, medicine and other industries |
CadmiumSulphate - Risk and Safety
| Risk Codes | R45 - May cause cancer R46 - May cause heritable genetic damage R60 - May impair fertility R61 - May cause harm to the unborn child R25 - Toxic if swallowed R26 - Very Toxic by inhalation R48/23/25 - R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2570 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | EV2700000 |
| TSCA | Yes |
| HS Code | 28332990 |
| Hazard Class | 6.1 |
| Packing Group | III |
CadmiumSulphate - Upstream Downstream Industry
| Raw Materials | Cadmium atomic absorption standard solution Hydrogen peroxide Sulfuric acid |
| Downstream Products | Cadmium stearate |
CadmiumSulphate - Nature
Open Data Verified Data
colorless monoclinic crystal, no smell. Relative density 3.09 1 melting point 41.5. Soluble in water (0 deg C 113g/lOOmL water), insoluble in ethanol, acetic acid and ether. Easy to wind.
Last Update：2025-06-10 22:55:16
CadmiumSulphate - Preparation Method
Open Data Verified Data
results from the reaction of metal cadmium with sulfuric acid in the presence of an oxidant. Or by the cadmium zinc powder residue by sulfuric acid dissolution; Also can be obtained by the reaction of cadmium oxide and sulfuric acid.
Last Update：2025-06-10 22:55:16
CadmiumSulphate - Application
Open Data Verified Data
The main components of the plating solution in the acid plating of cadmium in the electroplating industry. The battery industry is used as an electrolyte for cadmium batteries, Weston batteries and other standard batteries. It is used as a preservative and astringent in eye wash water such as keratitis. It can also be used to make other cadmium salts and standard Cadmium elements.
Last Update：2025-08-19 16:24:40
CadmiumSulphate - Safety
Open Data Verified Data
toxic! Its dust or smoke cause poisoning, manifested as respiratory organs, digestive system and nervous system disorders. Staff should be protected during operation. Dust diffusion shall be prevented in the workshop, and local ventilation shall be provided on all melting equipment. It is harmful to the environment and can cause pollution to the atmosphere.
Last Update：2025-06-10 22:55:16
CadmiumSulphate - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | cadmium sulfate is an inorganic compound commonly used in the electroplating of electronic circuits. It is also used for biocatalytic etching of semiconductor cadmium sulfide nanoparticles for optical detection of analytes. In addition, a dna-based quantum dot sensor was developed to detect ibuprofen using cadmium sulfate. used as a cadmium-producing battery and cadmium fertilizer. It is used as a preservative and astringent in eye wash. From the metal cadmium, cadmium oxide or cadmium carbonate and sulfuric acid reaction. The glass containing this substance is most effective in filtering out ultraviolet light. used in the production of cadmium batteries, metal cadmium, cadmium fertilizer, also used in electronics, medicine and other industries |
| physical properties | chemical formula CdSO4, anhydrous is white powder, melting point is 1 000 ℃, relative density is 4.691, absorption of moisture, soluble in water. At 25 °c, 77.2G of anhydrous salt can be melted per 100g of water, which is more soluble than the corresponding zinc sulfate, and the temperature change has little effect on the solubility, so it is used as a standard battery. Cadmium battery electrode is composed of cadmium amalgam, mercury and cadmium sulfate, mercury sulfate Hg2SO4 transparent saturated solution, 15~18 ℃, the electromotive force can reach 1.019V, and does not change with temperature. The common hydrates of cadmium sulfate are 3 CdSO4 · 8H2O,CdSO4 · H2O and CdSO4 · 7H2O. One of the most important is 3 CdSO4 · 8H2O, which is a large and transparent monoclinic planar crystal, which is air-induced, soluble in water, and insoluble in alcohol. Cadmium sulfate heptahydrate is a metastable substance, and several hydrates can be transformed into each other at the following temperatures: dissolve cadmium oxide, cadmium carbonate or cadmium sulfide in sulfuric acid solution, concentrate and add ethanol to precipitate and crystallize, the hydrate of cadmium sulfate can be obtained; The effect of dimethyl sulfate on the fine powder of cadmium carbonate, cadmium nitrate or cadmium oxide can be obtained by anhydrous cadmium sulfate. |
| preparation method | excess sulfuric acid was added to the saturated solution of 3 CdSO4 · 8H2O, or 3 CdSO4 · 8H2O is heated to more than 108 deg C to lose all the crystal water, can also be dimethyl sulfate in the role of fine powder of cadmium carbonate (or cadmium nitrate, cadmium halide, cadmium oxide) and anhydrous. The monohydrate was crystallized from 3 CdSO4 · 8H2O in an aqueous solution above 41.5 °c. Heptahydrate is dissolved in water by 3 CdSO4 · 8H2O, added dropwise with dilute sulfuric acid to be slightly acidic, evaporated at 40 ℃, rapidly cooled, and crystallized below 4 ℃. 3 CdSO4-8H2O from sulfuric acid dissolved cadmium oxide (or cadmium carbonate, cadmium sulfide), in less than 40 deg C crystallization and. |
| production method | 1. Metal Cadmium method: the metal cadmium, distilled water and sulfuric acid are added into the reactor, and then 30% H2O2 is slowly added for reaction. The generated cadmium sulfate is filtered, concentrated and crystallized, centrifuged and dried to obtain cadmium sulfate. The reaction formula is as follows: 2. Cadmium-containing zinc waste residue method: the cadmium-containing zinc powder waste residue is dissolved by sulfuric acid to remove impurities, and then filtered. The filtrate is concentrated, crystallized and centrifuged to obtain cadmium sulfate finished product. Cadmium oxide method: cadmium oxide dissolved in sulfuric acid in addition to impurities, by evaporation crystallization, centrifugal dehydration, drying at 50 deg C, the content of 98% cadmium sulfate |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 280 mg/kg; Oral-mouse LD50: 88 mg/kg |
| flammability hazard characteristics | thermal decomposition of toxic sulfur oxides, cadmium smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from food raw materials |
| extinguishing agent | water, carbon dioxide, foam, dry powder |
| Occupational Standard | TWA 0.05 mg (cadmium)/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
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Raw Materials for CadmiumSulphate
Downstream Products for CadmiumSulphate