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Arsenazo III, 1 g

≥85 %, p.a.
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: In smaller quantities, lead to immediate serious damage to health or death. Safety: Do not inhale, touch or swallow. Wear work safety equipment. Call a poison control centre or doctor immediately. Recovery position.
Examples of effect: Are harmful to aquatic organisms, toxic or highly toxic, acute or with long-term effects. Safety: To be disposed of as hazardous waste only, do not allow into the environment under any circumstances.
i toxic if swallowed or if inhaled, very toxic to aquatic life with long lasting effects
P273 P309+P311
i avoid release to the environment, IF exposed or if you feel unwell: Call a POISON CENTER or doctor/physician
Pack Qty.
2,7-Bis(2-arsonophenylazo)-1,8‑dihydroxynaphthalin-3,6‑disulphonic acid
Empirical formula C22H18As2N4O14S2
Molar mass (M) 776,37 g/mol
CAS No. [1668-00-4]
EG-Nr. 216-788-6
UN-Nr. 2811

Indicator for metal ions

Guarantee analysis

€54.75/Pack Qty. 

excl. VAT. | 1 g per Pack Qty.

Art. No. KK22.1

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Product details

Technical Information
Determination of Ca  
Instructions for use, addition Dissolve 0,1 g in 100 ml water  
Arsenazo III
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Order No. Pack Qty. Pack. Price Quantity
KK22.1 1 g glass €54.75
KK22.2 5 g glass €198.90
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General information

Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.

Analysis certificates

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (HPLC)≥85,0 %  
Sulphated ash≤0,2 %  
Loss on drying (120 °C)≤8,0 %  
Specific Extinction E (1%/1cm)300,0-450,0  
Absorption max. (in H2O)535,0-543,0 nm  
Absorption max. (in buffer pH 10)571,0-576,0 nm  
Lead (Pb)≤0,001 %  
Cadmium (Cd)≤0,005 %  
Calcium (Ca)≤0,01 %  
Chromium (Cr)≤0,005 %  
Iron (Fe)≤0,01 %  
Copper (Cu)≤0,005 %  
Magnesium (Mg)≤0,005 %  
Manganese (Mn)≤0,005 %  
Nickel (Ni)≤0,005 %  
Tin (Sn)≤0,005 %  

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