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Home  About us Chemicals Foto-Cine 4,5-dihydroxy-1,3-benzenedisulphonic acid disodium salt
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Chemicals Foto-Cine 4,5-dihydroxy-1,3-benzenedisulphonic acid disodium salt
| 4,5-dihydroxy-1,3-benzenedisulphonic acid disodium salt |
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| 4,5-dihydroxy-1,3-benzenedisulphonic acid disodium saltCAS: 149-45-1, EINECS: 205-741-5Other names: Pyrocatechol-3,5-disulphonate hydrate, Tiron, Silver halide stabiliser, DS-1, stabilizzante di alogenuro d'argento, pirocatecol-3,5-disolfonato sodico idratoDenominazione Italiana: 4,5-diidrossi-1,3-benzenedisolfonatoFormula: C6H4Na2O8S2.H2OMain specs: MW 196,21Assay: 97,0% min.Appearance: off white crystalline powderLoss on drying: 4,0 % maxH2O (Karl Fischer): 4,5 - 8 %Solubility (5% in H2O)light brown clear solution, no residueChlorides: 0,5 % maxSulphates: 1,0 % maxPyrocatechol: 0,1 % maxSafety remarks: n/a |
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