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Alizarin red S (C.I. 58005), 10 g

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Alizarin sulphonic acid sodium salt, Alizarin carmine
Empirical formula C14H7NaO7S
Molar mass (M) 342,26 g/mol
WGK 1
CAS No. [130-22-3]
EG-Nr. 204-981-8

Indicator pH 4,3-6,3 and pH 9,4-12,0
Soluble in water and ethanol (0.1–1.0 %). Excitation maximum: 530–560 nm. Emission maximum: 580 nm

Dye for vital staining, e.g. staining of mineralized sites in bone tissue.
Product details
Type analysis

€19.50/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. 0348.1

Available from stock Karlsruhe
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Product details



Alizarin red S (C.I. 58005) 

Dye for vital staining, e.g. staining of mineralized sites in bone tissue.



Technical Information
Dyeing red fluorescence  
Determination of Al  
B  
Ce  
Cr  
Hf  
La  
Mo  
Zr  
Sc  
Th  
Y  
Colour conversion yellow - red violet  
brown-orange - violet  
Handling area pH 4,3 – 6,3  
9,4 – 12,0  
Use detection of mineralized sites in bone tissue  
Instructions for use Dissolve 0.1 g in 100 ml ethanol (96 %)  
Alizarin red S (C.I. 58005)
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Order No. Pack Qty. Pack. Price Quantity
0348.1 10 g glass €19.50
0348.2 25 g glass €29.90
0348.3 100 g glass €93.50
Available from stock Karlsruhe
Available at short notice
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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:

Type analysis

Absorption max. (in H2O)550-560 nm  
Loss on drying (110 °C)≤10,0 %  
pH-transition range4,3 (yellow)-6,3 (red violet)  
Transition range9,4 (brown orange)-12,0 (violet)  
Suitability as indicatorcomplies  

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