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Cotton blue (C.I. 42780)

extra pure
Pack Qty.
Methyl blue
Empirical formula C37H27N3Na2O9S3
Molar mass (M) 799,82 g/mol
CAS No. [28983-56-4]
EG-Nr. 249-352-9

For preparing Amann's solution.

Type analysis

€19.50/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. 5750.1

Not available
Free of shipping costs from 125 €
from 6 Pack Qty. €18.52/Pack Qty.
from 24 Pack Qty. €17.55/Pack Qty.
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Product details

Cotton blue (C.I. 42780) extra pure

Technical Information
Soluble in water 
Cotton blue (C.I. 42780)
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5750.1 10 g glass €19.50
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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

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The following analysis certificates have been found:

Type analysis

Maximum absorption590-610 nm  

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