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Sodium 4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxonaphthalene-1-sulfonate; Solochrome Black T; ET-00
E 1276
Indicator
C20H12N3NaO7S
32049000
18%
1787-61-7
461.38
Bottle / Drum
E 1276 (OTTO) Eriochrome black T Cas no 1787-61-7 - used as an indicator in an EDTA titration, the characteristic blue end-point is reached when sufficient EDTA is added and the metal ions bound to the indicator are chelated by EDTA, leaving the free indicator molecule.
Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. in the water hardness determination process.Colour Index Number 14645
Indicators, Metal titration indicators
Powder
Black
Passes test
612 - 616 nm
Max. 7%
WGK Germany 2
DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. For laboratory use only. Not for drug, medical, household, or any other unauthorized application. We assume no liability for misuse or unauthorized application of the product. Please test before use.