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Cadmium sulfate

Cadmium sulfate is the name of a series of related inorganic compounds with the formula CdSO4·xH2O. The most common form is the monohydrate CdSO4·H2O, but two other forms are known CdSO4·8⁄3H2O and the anhydrous salt (CdSO4). All salts are colourless and highly soluble in water.

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Further Information

Names

IUPAC nameCadmium(II) sulfate

Other names

Sulfuric acid, cadmium salt (1:1),

Identifiers

CAS Number: 10124-36-4

JSmol: Interactive image

ChEBI: CHEBI:50292

ChemSpider: 23335

ECHA InfoCard: 100.030.288

EC Number: 233-331-6

Gmelin Reference: 8295

PubChem: 24962

RTECS number: EV2700000

UNII: 947UNF3Z6O

UN number: 2570

Properties

Chemical formula: CdSO
CdSO·HO (monohydrate)
3CdSO·8HO (octahydrate)44242

Molar mass: 208.47 g/mol (anhydrous)
226.490 g/mol (monohydrate)
769.546 g/mol (octahydrate)

Appearance: hygroscopic

Odor: odorless

Density: 4.691 g/cm (anhydrous)
3.79 g/cm (monohydrate)
3.08 g/cm (octahydrate)333

Melting point: 1,000 °C (1,830 °F; 1,270 K) (anhydrous)
105 °C (monohydrate)
40 °C (octahydrate)

Boiling point: (decomposes to basic sulfate and then oxide)

Solubility in water: anhydrous:

Solubility: methanol

Magnetic susceptibility: -59.2·10 cm/mol−63

Refractive index: 1.565

Structure

Crystal structure: orthorhombic (anhydrous)
monoclinic (hepta & octahydrate)

Thermochemistry

Std molar
entropy: 123 J·mol·K−1−1

Std enthalpy of
formation: −935 kJ·mol−1

Hazards

Safety data sheet: [1]

GHS pictograms:

GHS signal word: Danger

GHS hazard statements: H301 H330 H340 H350 H360 H372 H400 H410

GHS precautionary statements: P201 P202 P260 P264 P270 P271 P273 P281 P284 P301+310 P304+340 P308+313 P310 P314 P320 P321 P330 P391 P403+233 P405 P501

NFPA 704:

median dose: 280 mg/kg (oral, rat)

NIOSH

PEL: [1910.1027] TWA 0.005 mg/m (as Cd)3

REL: Ca

IDLH: Ca [9 mg/m (as Cd)]3

Related compounds

anions: Cadmium acetate

cations: Zinc sulfate

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).