DÉSHYDRATATION DU TÉTRATHIONATE DE SODIUM

Code: 72030-100GSIG D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

Application

Sodium tetrathionate dihydrate may be used to compose the 0.2M Tris buffer in a study.

General description

Sodium tetrathionate dihyd...


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$862.91 EACH
DEMANDER

Non disponible en dehors du Royaume-Uni et de l'Irlande

Application

Sodium tetrathionate dihydrate may be used to compose the 0.2M Tris buffer in a study.

General description

Sodium tetrathionate dihydrate is the dihydrate of sodium tetrathionate. It has been synthesized from sodium thiosulfate by iodine oxidation. Its crystals exhibit monoclinic crystal system and space group C23-C2.

Other Notes

Thiosulfating agent; it reacts with thiols, e.g. cysteine to S-sulfo-thiols, used in the quantitative determination of total cysteine/cystine in proteins; Reversible inactivation of enzymes

anion tracesthiosulfate (S2O32-): ≤500 mg/kg
assay≥98.0% (T)
cation tracesFe: ≤50 mg/kg, Cd: ≤50 mg/kg, K: ≤100 mg/kg, Cu: ≤50 mg/kg, Pb: ≤50 mg/kg, Co: ≤50 mg/kg, Ca: ≤500 mg/kg, Zn: ≤50 mg/kg, Ni: ≤50 mg/kg
density2.1 g/mL at 25 °C (lit.)
formpowder or crystals
gradepurum p.a.
impurities10.5-20.0% water (Karl Fischer)
InChI keyHAEPBEMBOAIUPN-UHFFFAOYSA-L
InChI1S/2Na.H2O6S4.2H2O/c;;1-9(2,3)7-8-10(4,5)6;;/h;;(H,1,2,3)(H,4,5,6);2*1H2/q2*+1;;;/p-2
pH4-6 (25 °C, 30.6 g/L)
Quality Level200
SMILES stringO.O.[Na+].[Na+].[O-]S(=O)(=O)SSS([O-])(=O)=O
solubilityH2O: 50 mg/mL, slightly turbid, colorless
storage temp.2-8°C
Cas Number13721-29-4
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