Sigma-Aldrich Arsenazo Iii Metal Indicat

Quality Level

200

Form

solid

Loss

≤10% loss on drying, 110°C

pH

2.3 (20 °C, 10 g/L in H₂O)

Bulk Density

850 kg/M³

Λmax

569-576 nm (buffer pH 10.0)

Storage Temp.

2-30°C

Inchi

1S/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)

Inchi Key

UQHVTNUJRKELCE-UHFFFAOYSA-N

Related Categories

Indicators

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max.(buffer pH 10.0): 569 - 576 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/L; buffer pH 10.0; calculated on dried substance): 300 - 450
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator: passes test

Pictograms

GHS06,GHS09

Signalword

Danger

Hcodes

H301 + H331 - H410

Pcodes

P261 - P264 - P270 - P273 - P301 + P310 - P304 + P340 + P311

Hazard Classifications

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

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Wgk_Germany

WGK 3