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Eriochrome® blue black B (C.I. 14640), 5 g, glass

for complexometry
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i causes serious eye irritation
P280 P305+P351+P338 P337+P313
i wear protective gloves/eye protection, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, if eye irritation persists: Get medical advice/attention
Pack Qty.
Mordant Black 3
Empirical formula C20H14N2O5S
Molar mass (M) 416,39 g/mol
CAS No. [3564-14-5]
EG-Nr. 222-639-6

Metal indicator
Dissolve 0.2-0.4 g in 100 ml methanol

Type analysis

€14.50/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. 7661.1

In stock
Free of shipping costs from 125 €
24 hour direct shipment
from 6 Pack Qty. €13.78/Pack Qty.
from 24 Pack Qty. €13.05/Pack Qty.
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Product details

Eriochrome® blue black B (C.I. 14640) for complexometry

Technical Information
Determination of Ca 
Eriochrome® blue black B (C.I. 14640)
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Order No. Pack Qty. Pack. Price Quantity
7661.1 5 g glass €14.50
7661.2 25 g glass €24.90
7661.3 100 g glass €48.90
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General information

Indicators and Dyes

Indicators and DyesCarl 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:

Type analysis

Appearancebrown to black powder  
Appearance of solution (0,1 % in H2O)opaque, dark purple  
Absorption max. 528 nm (H2O + 1 ml 1 M HCl)complies  

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