Sigma-Aldrich Thorin (Octahydrate) Indic

Quality Level

200

Form

solid

Impurities

≤25% Water (Karl Fischer)

Ph

6.1 (20 °C, 10 g/L in H₂O)

Bulk Density

700 kg/m³

Λmax

480-490 nm (propan-2-ol)

Storage Temp.

2-30°C

Inchi

1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,18H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b19-15+;;

Inchi Key

ZQMPNLOZJUWHSA-WTBAQZMLSA-L

Related Categories

Indicators

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max.(Propan-2-ol): 480 - 490 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l;propan-2-ol; calc. on anhydrous substance): 250 - 350
Water (according to Karl Fischer): ≤ 25 %
Suitability as indicator (for sulfate titration): passes test

Pictograms

GHS06,GHS09

Signalword

Danger

Hcodes

H301 + H331 - H410

Pcodes

P261 - P264 - P271 - P273 - P301 + P310 - P304 + P340 + P311

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

Wgk_Germany

WGK 3

Flash_Point_F

Not applicable

Flash_Point_C

Not applicable