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Alizarin (C.I. 58000), 25 g

Pack Qty.
Empirical formula C14H8O4
Molar mass (M) 240,21 g/mol
Melting point (mp) 283 °C
CAS No. [72-48-0]
EG-Nr. 200-782-5

Indicator pH 5,5-6,8 and 10,1-12,1
Dissolve 0.5 g in 100 ml ethanol (96 %)

Type analysis

€22.90/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 4476.2

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Product details

Alizarin (C.I. 58000) p.a.

Technical Information
Colour conversion yellow - violet 
purple - purple 
Handling area pH 5,5 - 6,8 
10,1 - 12,1 
Alizarin (C.I. 58000)
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Order No. Pack Qty. Pack. Price Quantity
4476.1 50 g glass €34.50
4476.2 25 g glass €22.90
4476.3 100 g glass €46.50
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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.

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

Appearanceorange powder  
Loss on drying (105 °C)≤1,5 %  
Sulphated ash≤1 %  
pH transition range5,5 (yellow)-6,8 (violet)  
Transition range10,1 (violet)-12,1 (purple)  

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