Jump to content Jump to navigation menu

Thorin, 5 g

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
P270 P273 P304+P340 P310
i do not eat, drink or smoke when using this product, avoid release to the environment, IF INHALED: Remove person to fresh air and keep comfortable for breathing, immediately call a POISON CENTER/doctor
Pack Qty.
2-(2-Hydroxy-3,6-disulpho-1-naphthylazo-(1))-benzene-arsonic acid sodium salt, 1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulphonic acid sodium salt
Empirical formula C16H11AsN2Na2O10S2
Molar mass (M) 576,30 g/mol
Melting point (mp) >300 °C
CAS No. 3688-92-4
EG-Nr. 222-993-1
UN-Nr. 3465

Indicator for metal ions
Dissolve 0.5 g in 100 ml water

€203.20/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. KK34.1

In production
from 6 Pack Qty. €193.04/Pack Qty.
from 24 Pack Qty. €182.88/Pack Qty.
Carl Roth subscription service

Now recurring orders conveniently delivered as a subscription!

With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab!

How it works:

Put all products for your subscription in the desired quantity in the basket.


In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription.


Set Starty point and interval for your subscription and submit order!

By the way: Through your account you can customize or delete your subscriptions anytime.

Product details

Thorin p.a.

Technical Information
Determination of Bi 
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
KK34.1 5 g glass


KK34.2 10 g glass


In stock
In procurement
Not available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS

General information

Indicators and Dyes

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

Certificates of Analysis

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

Appearancered to reddish brown powder
Specific Extinction E (1%/1cm)190-200