<Table> Copper (II) sulfate <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Structure of pentahydrate </Td> <Td> Crystals of CuSO 5H O </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name Copper (II) sulfate </Td> </Tr> <Tr> <Td_colspan="2"> Other names Cupric sulphate Blue vitriol (pentahydrate) Bluestone (pentahydrate) Bonattite (trihydrate mineral) Boothite (heptahydrate mineral) Chalcanthite (pentahydrate mineral) Chalcocyanite (mineral) </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 7758 - 98 - 7 </Li> <Li> 7758 - 99 - 8 (pentahydrate) </Li> <Li> 16448 - 28 - 5 (trihydrate) </Li> <Li> 19086 - 18 - 1 (heptahydrate) </Li> </Ul> </Td> </Tr> <Tr> <Td> 3D model (JSmol) </Td> <Td> <Ul> <Li> Interactive image </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEBI </Td> <Td> <Ul> <Li> CHEBI: 23414 </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEMBL </Td> <Td> <Ul> <Li> ChEMBL604 </Li> </Ul> </Td> </Tr> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> 22870 </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.028. 952 </Td> </Tr> <Tr> <Td> EC Number </Td> <Td> 231 - 847 - 6 </Td> </Tr> <Tr> <Td> E number </Td> <Td> E519 (acidity regulators, ...) </Td> </Tr> <Tr> <Td> KEGG </Td> <Td> <Ul> <Li> C18713 </Li> </Ul> </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 24462 </Li> </Ul> </Td> </Tr> <Tr> <Td> RTECS number </Td> <Td> GL8800000 (anhydrous) GL8900000 (pentahydrate) </Td> </Tr> <Tr> <Td> UNII </Td> <Td> <Ul> <Li> KUW2Q3U1VV </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / Cu. H2O4S / c; 1 - 5 (2, 3) 4 / h; (H2, 1, 2, 3, 4) / q + 2; / p - 2 Key: ARUVKPQLZAKDPS - UHFFFAOYSA - L </Li> <Li> InChI = 1 / Cu. H2O4S / c; 1 - 5 (2, 3) 4 / h; (H2, 1, 2, 3, 4) / q + 2; / p - 2 Key: ARUVKPQLZAKDPS - NUQVWONBAI </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> (O -) S (= O) (= O) (O -). (Cu + 2) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> CuSO (anhydrous) CuSO 5H O (pentahydrate) </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 159.609 g / mol (anhydrous) 249.685 g / mol (pentahydrate) </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> gray - white (anhydrous) blue (pentahydrate) </Td> </Tr> <Tr> <Td> Density </Td> <Td> 3.60 g / cm (anhydrous) 2.286 g / cm (pentahydrate) </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 110 ° C (230 ° F; 383 K) decomposes (5H O) <560 ° C decomposes </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> 1.055 molal (10 ° C) 1.26 molal (20 ° C) 1.502 molal (30 ° C) </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> anhydrous insoluble in ethanol pentahydrate soluble in methanol 10.4 g / L (18 ° C) insoluble in ethanol, insoluble in acetone </Td> </Tr> <Tr> <Td> Magnetic susceptibility (χ) </Td> <Td> + 1330 10 cm / mol </Td> </Tr> <Tr> <Td> Refractive index (n) </Td> <Td> 1.724--1.739 (anhydrous) 1.514--1.544 (pentahydrate) </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Td> Crystal structure </Td> <Td> Orthorhombic (anhydrous, chalcocyanite), space group Pnma, oP24, a = 0.839 nm, b = 0.669 nm, c = 0.483 nm . Triclinic (pentahydrate), space group P1, aP22, a = 0.5986 nm, b = 0.6141 nm, c = 1.0736 nm, α = 77.333 °, β = 82.267 °, γ = 72.567 ° </Td> </Tr> <Tr> <Th_colspan="2"> Thermochemistry </Th> </Tr> <Tr> <Td> Std molar entropy (S) </Td> <Td> 5 J K mol </Td> </Tr> <Tr> <Td> Std enthalpy of formation (Δ H) </Td> <Td> − 769.98 kJ / mol </Td> </Tr> <Tr> <Th_colspan="2"> Pharmacology </Th> </Tr> <Tr> <Td> ATC code </Td> <Td> V03AB20 (WHO) </Td> </Tr> <Tr> <Th_colspan="2"> Hazards </Th> </Tr> <Tr> <Td> Safety data sheet </Td> <Td> anhydrous pentahydrate </Td> </Tr> <Tr> <Td> GHS pictograms </Td> <Td> </Td> </Tr> <Tr> <Td> NFPA 704 </Td> <Td> 0 </Td> </Tr> <Tr> <Td> Flash point </Td> <Td> Non-flammable </Td> </Tr> <Tr> <Td_colspan="2"> Lethal dose or concentration (LD, LC): </Td> </Tr> <Tr> <Td> LD (median dose) </Td> <Td> 300 mg / kg (oral, rat) </Td> </Tr> <Tr> <Td_colspan="2"> US health exposure limits (NIOSH): </Td> </Tr> <Tr> <Td> PEL (Permissible) </Td> <Td> TWA 1 mg / m (as Cu) </Td> </Tr> <Tr> <Td> REL (Recommended) </Td> <Td> TWA 1 mg / m (as Cu) </Td> </Tr> <Tr> <Td> IDLH (Immediate danger) </Td> <Td> TWA 100 mg / m (as Cu) </Td> </Tr> <Tr> <Th_colspan="2"> Related compounds </Th> </Tr> <Tr> <Td> Other cations </Td> <Td> Iron (II) sulfate Manganese (II) sulfate Nickel (II) sulfate Zinc sulfate </Td> </Tr> <Tr> <Td_colspan="2"> Except where otherwise noted, data are given for materials in their standard state (at 25 ° C (77 ° F), 100 kPa). </Td> </Tr> <Tr> <Td_colspan="2"> verify (what is?) </Td> </Tr> <Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Structure of pentahydrate </Td> <Td> Crystals of CuSO 5H O </Td> </Tr> </Table> </Td> </Tr>

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