1.01922
3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate
metal indicator
Synonym(s):
3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, 1,2-Dihydroxy-3,5-benzenedisulfonic acid disodium salt, di-Sodium 4,5-dihydroxy-1,3-benzenedisulfonate, Sodium pyrocatechol-3,5-disulfonate, Tiron
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About This Item
Product Name
3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, (Tiron) metal indicator
SMILES string
[Na+].[Na+].[S](=O)(=O)(O)c1c(c(cc(c1)[S](=O)(=O)O)[O-])[O-]
InChI
1S/C6H6O8S2.2Na/c7-4-1-3(15(9,10)11)2-5(6(4)8)16(12,13)14;;/h1-2,7-8H,(H,9,10,11)(H,12,13,14);;/q;2*+1/p-2
InChI key
ISWQCIVKKSOKNN-UHFFFAOYSA-L
form
solid
composition
Water, 4.5-6.5% Karl Fischer
pH
5.0 (20 °C, 10 g/L in H2O)
mp
300 °C
solubility
1350 g/L
bulk density
465 kg/m3
λmax
290-291 nm (buffer pH 2.5)
storage temp.
15-25°C
Quality Level
Related Categories
Analysis Note
Absorption maximum λmax. (buffer pH 2.5): 290 - 291 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; buffer pH 2.5; calculated on anhydrous substance): 100 - 125
Water (according to Karl Fischer): 4.5 - 6.5 %
Suitability as indicator (for metal titration): passes test
Application
- The oxidative degradation of Calmagite using added and in situ generated hydrogen peroxide catalysed by manganese(II) ions: A study evaluating the efficacy and degradation pathways in environmental testing, highlighting potential applications of similar compounds like 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate in waste management and pollutant analysis (Cao Y, Sheriff TS, 2022).
- Synthesis of conformationally restricted acidic lipids: Discusses techniques that could be utilized in the synthesis and analysis of structurally similar compounds like 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, enhancing understanding in material science and biomedical research (Rakitzis ET et al., 1978).
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
Certificates of Analysis (COA)
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